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(-) Description

Title :  BIOSYNTHESIS OF PTERIDINS. REACTION MECHANISM OF GTP CYCLOHYDROLASE I
 
Authors :  J. Rebelo, G. Auerbach, G. Bader, A. Bracher, H. Nar, C. Hoesl, N. Schramek, J. Kaiser, A. Bacher, R. Huber, M. Fischer
Date :  29 Oct 02  (Deposition) - 14 Oct 03  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.20
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H,I,J,K,L,M,N,O
Biol. Unit 1:  F,G,H,I,J,K,L,M,N,O  (1x)
Biol. Unit 2:  A,B,C,D,E  (2x)
Keywords :  Biosynthesis, Folic Acid, Crystal Structure, Gtp Cyclohydrolase I, Tetrahydropterin, Pteridines (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Rebelo, G. Auerbach, G. Bader, A. Bracher, H. Nar, C. Hoesl, N. Schramek, J. Kaiser, A. Bacher, R. Huber, M. Fischer
Biosynthesis Of Pteridines. Reaction Mechanism Of Gtp Cyclohydrolase I
J. Mol. Biol. V. 326 503 2003
PubMed-ID: 12559918  |  Reference-DOI: 10.1016/S0022-2836(02)01303-7
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GTP CYCLOHYDROLASE I
    Chains: F, G, H, I, J, K, L, M, N, O, A, B, C, D, E
    EC Number: 3.5.4.16
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PNC0
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  123456789101112131415
Asymmetric Unit : ABCDEFGHIJKLMNO
Biological Unit 1 (1x):      FGHIJKLMNO
Biological Unit 2 (2x): ABCDE          

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 15)

Asymmetric Unit (1, 15)
No.NameCountTypeFull Name
1GTP15Ligand/IonGUANOSINE-5'-TRIPHOSPHATE
Biological Unit 1 (1, 10)
No.NameCountTypeFull Name
1GTP10Ligand/IonGUANOSINE-5'-TRIPHOSPHATE
Biological Unit 2 (1, 10)
No.NameCountTypeFull Name
1GTP10Ligand/IonGUANOSINE-5'-TRIPHOSPHATE

(-) Sites  (15, 15)

Asymmetric Unit (15, 15)
No.NameEvidenceResiduesDescription
01AC1SOFTWARECYS F:110 , HIS F:112 , HIS F:113 , VAL F:150 , GLN F:151 , GLU F:152 , HIS F:179 , ARG F:185 , THR G:87 , VAL G:131 , ILE G:132 , GLY G:133 , LEU G:134 , SER G:135 , LYS G:136 , ARG G:139 , ARG M:65BINDING SITE FOR RESIDUE GTP G 411
02AC2SOFTWARECYS G:110 , HIS G:112 , HIS G:113 , VAL G:150 , GLN G:151 , GLU G:152 , HIS G:179 , ARG G:185 , THR H:87 , ILE H:132 , GLY H:133 , LEU H:134 , SER H:135 , LYS H:136 , ARG H:139 , ARG L:65BINDING SITE FOR RESIDUE GTP H 412
03AC3SOFTWAREHIS H:112 , HIS H:113 , VAL H:150 , GLN H:151 , GLU H:152 , HIS H:179 , ARG H:185 , THR I:87 , VAL I:131 , ILE I:132 , GLY I:133 , LEU I:134 , SER I:135 , LYS I:136 , ARG I:139 , ARG K:65BINDING SITE FOR RESIDUE GTP I 413
04AC4SOFTWARECYS I:110 , HIS I:112 , HIS I:113 , VAL I:150 , GLN I:151 , GLU I:152 , HIS I:179 , ARG I:185 , THR J:87 , ILE J:132 , GLY J:133 , LEU J:134 , SER J:135 , LYS J:136 , ARG J:139 , ARG O:65 , LYS O:68BINDING SITE FOR RESIDUE GTP J 414
05AC5SOFTWARETHR F:87 , ILE F:132 , GLY F:133 , LEU F:134 , SER F:135 , LYS F:136 , ARG F:139 , CYS J:110 , HIS J:112 , HIS J:113 , VAL J:150 , GLN J:151 , GLU J:152 , HIS J:179 , ARG J:185 , ILE J:187 , ARG N:65BINDING SITE FOR RESIDUE GTP F 415
06AC6SOFTWAREARG H:65 , HIS K:112 , HIS K:113 , VAL K:150 , GLN K:151 , GLU K:152 , HIS K:179 , ARG K:185 , THR L:87 , VAL L:131 , ILE L:132 , GLY L:133 , LEU L:134 , SER L:135 , LYS L:136 , ARG L:139BINDING SITE FOR RESIDUE GTP L 416
07AC7SOFTWAREARG G:65 , HIS L:112 , HIS L:113 , VAL L:150 , GLN L:151 , GLU L:152 , HIS L:179 , ARG L:185 , THR M:87 , VAL M:131 , ILE M:132 , GLY M:133 , LEU M:134 , SER M:135 , LYS M:136 , ARG M:139BINDING SITE FOR RESIDUE GTP M 417
08AC8SOFTWAREARG F:65 , CYS M:110 , HIS M:112 , HIS M:113 , VAL M:150 , GLN M:151 , GLU M:152 , HIS M:179 , VAL M:182 , ARG M:185 , THR N:87 , ILE N:132 , GLY N:133 , LEU N:134 , SER N:135 , LYS N:136 , ARG N:139BINDING SITE FOR RESIDUE GTP N 418
09AC9SOFTWAREARG J:65 , HIS N:112 , HIS N:113 , VAL N:150 , GLN N:151 , GLU N:152 , HIS N:179 , ARG N:185 , THR O:87 , ILE O:132 , GLY O:133 , LEU O:134 , SER O:135 , LYS O:136 , ARG O:139BINDING SITE FOR RESIDUE GTP O 419
10BC1SOFTWAREARG I:65 , LYS I:68 , THR K:87 , ILE K:132 , GLY K:133 , LEU K:134 , SER K:135 , LYS K:136 , ARG K:139 , CYS O:110 , HIS O:112 , HIS O:113 , VAL O:150 , GLN O:151 , GLU O:152 , HIS O:179 , ARG O:185BINDING SITE FOR RESIDUE GTP K 420
11BC2SOFTWAREHIS A:112 , HIS A:113 , VAL A:150 , GLN A:151 , GLU A:152 , HIS A:179 , ARG A:185 , THR B:87 , VAL B:131 , ILE B:132 , GLY B:133 , LEU B:134 , SER B:135 , LYS B:136 , ARG B:139 , ARG E:65BINDING SITE FOR RESIDUE GTP B 421
12BC3SOFTWAREHIS B:112 , HIS B:113 , VAL B:150 , GLN B:151 , GLU B:152 , HIS B:179 , ARG B:185 , THR C:87 , VAL C:131 , ILE C:132 , GLY C:133 , LEU C:134 , SER C:135 , LYS C:136 , ARG C:139 , ARG D:65BINDING SITE FOR RESIDUE GTP C 422
13BC4SOFTWAREARG C:65 , CYS C:110 , HIS C:112 , HIS C:113 , VAL C:150 , GLN C:151 , GLU C:152 , HIS C:179 , VAL C:182 , ARG C:185 , THR D:87 , ILE D:132 , GLY D:133 , LEU D:134 , SER D:135 , LYS D:136 , ARG D:139BINDING SITE FOR RESIDUE GTP D 423
14BC5SOFTWAREARG B:65 , HIS D:112 , HIS D:113 , VAL D:150 , GLN D:151 , GLU D:152 , HIS D:179 , ARG D:185 , THR E:87 , VAL E:131 , ILE E:132 , GLY E:133 , LEU E:134 , SER E:135 , LYS E:136 , ARG E:139BINDING SITE FOR RESIDUE GTP E 424
15BC6SOFTWAREARG A:65 , THR A:87 , ILE A:132 , GLY A:133 , LEU A:134 , SER A:135 , LYS A:136 , ARG A:139 , HIS E:112 , HIS E:113 , VAL E:150 , GLN E:151 , GLU E:152 , HIS E:179 , ARG E:185BINDING SITE FOR RESIDUE GTP A 425

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1N3T)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1N3T)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1N3T)

(-) PROSITE Motifs  (2, 30)

Asymmetric Unit (2, 30)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GTP_CYCLOHYDROL_1_1PS00859 GTP cyclohydrolase I signature 1.GCH1_ECOLI98-114
 
 
 
 
 
 
 
 
 
 
 
 
 
 		  15A:97-113
B:97-113
C:97-113
D:97-113
E:97-113
F:97-113
G:97-113
H:97-113
I:97-113
J:97-113
K:97-113
L:97-113
M:97-113
N:97-113
O:97-113
2GTP_CYCLOHYDROL_1_2PS00860 GTP cyclohydrolase I signature 2.GCH1_ECOLI146-156
 
 
 
 
 
 
 
 
 
 
 
 
 
 		  15A:145-155
B:145-155
C:145-155
D:145-155
E:145-155
F:145-155
G:145-155
H:145-155
I:145-155
J:145-155
K:145-155
L:145-155
M:145-155
N:145-155
O:145-155
Biological Unit 1 (2, 20)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GTP_CYCLOHYDROL_1_1PS00859 GTP cyclohydrolase I signature 1.GCH1_ECOLI98-114
 
 
 
 
 
 
 
 
 
 
 
 
 
 		  10-
-
-
-
-
F:97-113
G:97-113
H:97-113
I:97-113
J:97-113
K:97-113
L:97-113
M:97-113
N:97-113
O:97-113
2GTP_CYCLOHYDROL_1_2PS00860 GTP cyclohydrolase I signature 2.GCH1_ECOLI146-156
 
 
 
 
 
 
 
 
 
 
 
 
 
 		  10-
-
-
-
-
F:145-155
G:145-155
H:145-155
I:145-155
J:145-155
K:145-155
L:145-155
M:145-155
N:145-155
O:145-155
Biological Unit 2 (2, 20)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GTP_CYCLOHYDROL_1_1PS00859 GTP cyclohydrolase I signature 1.GCH1_ECOLI98-114
 
 
 
 
 
 
 
 
 
 
 
 
 
 		  10A:97-113
B:97-113
C:97-113
D:97-113
E:97-113
-
-
-
-
-
-
-
-
-
-
2GTP_CYCLOHYDROL_1_2PS00860 GTP cyclohydrolase I signature 2.GCH1_ECOLI146-156
 
 
 
 
 
 
 
 
 
 
 
 
 
 		  10A:145-155
B:145-155
C:145-155
D:145-155
E:145-155
-
-
-
-
-
-
-
-
-
-

(-) Exons   (0, 0)

(no "Exon" information available for 1N3T)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3ta_ A: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tA01 A:1-85  [code=1.10.286.10, no name defined]                                  1n3tA02 A:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhh.....hhhhh....eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t A   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain B from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tb_ B: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tB01 B:1-85  [code=1.10.286.10, no name defined]                                  1n3tB02 B:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhh.hhhhh........eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t B   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain C from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tc_ C: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tC01 C:1-85  [code=1.10.286.10, no name defined]                                  1n3tC02 C:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhh..hhhhh........eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t C   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain D from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3td_ D: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tD01 D:1-85  [code=1.10.286.10, no name defined]                                  1n3tD02 D:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhh.hhhhhhhhh....eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t D   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain E from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3te_ E: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tE01 E:1-85  [code=1.10.286.10, no name defined]                                  1n3tE02 E:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhh.hhhhh........eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeee..hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t E   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain F from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tf_ F: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tF01 F:1-85  [code=1.10.286.10, no name defined]                                  1n3tF02 F:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhh.hhhhhhhhh....eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t F   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain G from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tg_ G: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tG01 G:1-85  [code=1.10.286.10, no name defined]                                  1n3tG02 G:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhh.hhhhh........eee........eeeeeeeeeeee....eeeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t G   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain H from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3th_ H: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tH01 H:1-85  [code=1.10.286.10, no name defined]                                  1n3tH02 H:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhh.hhhhhhhhh....eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t H   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain I from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3ti_ I: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tI01 I:1-85  [code=1.10.286.10, no name defined]                                  1n3tI02 I:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhh.hhhhhhhhh....eee........eeeeeeeeeeee....eeeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeee.............eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t I   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain J from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tj_ J: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tJ01 J:1-85  [code=1.10.286.10, no name defined]                                  1n3tJ02 J:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhh..hhhhhhhhh....eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t J   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain K from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tk_ K: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tK01 K:1-85  [code=1.10.286.10, no name defined]                                  1n3tK02 K:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhh..hhhhhhhhh....eee........eeeeeeeeeeee....eeeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t K   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain L from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tl_ L: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tL01 L:1-85  [code=1.10.286.10, no name defined]                                  1n3tL02 L:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhh.hhhhh........eee........eeeeeeeeeeee....eeeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeeehhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t L   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain M from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tm_ M: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tM01 M:1-85  [code=1.10.286.10, no name defined]                                  1n3tM02 M:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhh.hhhhh........eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t M   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain N from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3tn_ N: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tN01 N:1-85  [code=1.10.286.10, no name defined]                                  1n3tN02 N:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhh.hhhhhhhhh....eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhh........eeeeeee.hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t N   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 


Chain O from PDB  Type:PROTEIN  Length:221
 aligned with GCH1_ECOLI | P0A6T5 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:221
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 
           GCH1_ECOLI     2 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 222
               SCOP domains d1n3to_ O: GTP cyclohydrolase I                                                                                                                                                                                               SCOP domains
               CATH domains 1n3tO01 O:1-85  [code=1.10.286.10, no name defined]                                  1n3tO02 O:86-221  [code=3.30.1130.10, no name defined]                                                                                   CATH domains
           Pfam domains (1) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO01 O:116-201                                                     -------------------- Pfam domains (1)
           Pfam domains (2) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO02 O:116-201                                                     -------------------- Pfam domains (2)
           Pfam domains (3) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO03 O:116-201                                                     -------------------- Pfam domains (3)
           Pfam domains (4) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO04 O:116-201                                                     -------------------- Pfam domains (4)
           Pfam domains (5) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO05 O:116-201                                                     -------------------- Pfam domains (5)
           Pfam domains (6) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO06 O:116-201                                                     -------------------- Pfam domains (6)
           Pfam domains (7) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO07 O:116-201                                                     -------------------- Pfam domains (7)
           Pfam domains (8) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO08 O:116-201                                                     -------------------- Pfam domains (8)
           Pfam domains (9) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO09 O:116-201                                                     -------------------- Pfam domains (9)
          Pfam domains (10) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO10 O:116-201                                                     -------------------- Pfam domains (10)
          Pfam domains (11) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO11 O:116-201                                                     -------------------- Pfam domains (11)
          Pfam domains (12) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO12 O:116-201                                                     -------------------- Pfam domains (12)
          Pfam domains (13) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO13 O:116-201                                                     -------------------- Pfam domains (13)
          Pfam domains (14) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO14 O:116-201                                                     -------------------- Pfam domains (14)
          Pfam domains (15) -------------------------------------------------------------------------------------------------------------------GTP_cyclohydroI-1n3tO15 O:116-201                                                     -------------------- Pfam domains (15)
         Sec.struct. author ...hhhhhhhhhhhhh..............hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhh.hhhhhhhhh....eee........eeeeeeeeeeee.....eeeeeeeeee....eeehhhhhhhhhhhhhh.eehhhhhhhhhhhhhhhhhh...eeeeeeeee.............eeeeee..hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------GTP_CYCLOHYDROL_1-------------------------------GTP_CYCLOHY------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1n3t O   1 PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSLMETPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVHYSVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN 221
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 15)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (2, 30)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Architecture: 2-Layer Sandwich (8480)
(-)
Topology: GTP Cyclohydrolase I, domain 2 (31)
(-)
Homologous Superfamily: [code=3.30.1130.10, no name defined] (31)
(-)
Escherichia coli. Organism_taxid: 562. (5)
1a1n3tA02A:86-221
1b1n3tB02B:86-221
1c1n3tC02C:86-221
1d1n3tD02D:86-221
1e1n3tE02E:86-221
1f1n3tF02F:86-221
1g1n3tG02G:86-221
1h1n3tH02H:86-221
1i1n3tI02I:86-221
1j1n3tJ02J:86-221
1k1n3tK02K:86-221
1l1n3tL02L:86-221
1m1n3tM02M:86-221
1n1n3tN02N:86-221
1o1n3tO02O:86-221
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 15)

Asymmetric Unit
(-)
Clan: THBO-biosyn (64)

(-) Gene Ontology  (16, 16)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D,E,F,G,H,I,J,K,L,M,N,O   (GCH1_ECOLI | P0A6T5)
molecular function
    GO:0005525    GTP binding    Interacting selectively and non-covalently with GTP, guanosine triphosphate.
    GO:0003934    GTP cyclohydrolase I activity    Catalysis of the reaction: GTP + H2O = formate + 7,8-dihydroneopterin 3'-triphosphate.
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0035998    7,8-dihydroneopterin 3'-triphosphate biosynthetic process    The chemical reactions and pathways resulting in the formation of 7,8-dihydroneopterin 3'-triphosphate.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0006730    one-carbon metabolic process    The chemical reactions and pathways involving the transfer of one-carbon units in various oxidation states.
    GO:0008616    queuosine biosynthetic process    The chemical reactions and pathways resulting in the formation of queuosines, any of a series of nucleosides found in tRNA and having an additional pentenyl ring added via an NH group to the methyl group of 7-methylguanosine. The pentenyl ring may carry other substituents.
    GO:0006729    tetrahydrobiopterin biosynthetic process    The chemical reactions and pathways resulting in the formation of tetrahydrobiopterin, the reduced form of biopterin (2-amino-4-hydroxy-6-(1,2-dihydroxypropyl)-pteridine). It functions as a hydroxylation coenzyme, e.g. in the conversion of phenylalanine to tyrosine.
    GO:0046654    tetrahydrofolate biosynthetic process    The chemical reactions and pathways resulting in the formation of tetrahydrofolate, 5,6,7,8-tetrahydrofolic acid, a folate derivative bearing additional hydrogens on the pterin group.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0043234    protein complex    A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

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        GCH1_ECOLI | P0A6T5: 1a8r 1a9c 1fbx 1gtp 1n3r 1n3s

(-) Related Entries Specified in the PDB File

1n3r 1N3R CONTAINS THE SAME PROTEIN WITH MUTANT H112S
1n3s 1N3S CONTAINS THE SAME PROTEIN WITH MUTANT H113S