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(-) Description

Title :  CRYSTAL STRUCTURE OF PHOSPHORIBOSYLAMINOIMIDAZOLECARBOXAMIDE FORMYLTRANSFERASE / IMP CYCLOHYDROLASE (TM1249) FROM THERMOTOGA MARITIMA AT 1.88 A RESOLUTION
 
Authors :  Joint Center For Structural Genomics (Jcsg)
Date :  13 Apr 05  (Deposition) - 26 Apr 05  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.88
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Tm1249, Phosphoribosylaminoimidazolecarboxamide Formyltransferase (Ec 2. 1. 2. 3) / Imp Cyclohydrolase (Ec 3. 5. 4. 10), Structural Genomics, Joint Center For Structural Genomics, Jcsg, Protein Structure Initiative, Psi, Transferase-Hydrolase Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. L. Axelrod, D. Mcmullan, S. S. Krishna, M. D. Miller, M. A. Elsliger, P. Abdubek, E. Ambing, T. Astakhova, D. Carlton, H. J. Chiu, T. Clayton L. Duan, J. Feuerhelm, S. K. Grzechnik, J. Hale, G. W. Han, J. Haugen, L. Jaroszewski, K. K. Jin, H. E. Klock, M. W. Knuth, E. Koesema, A. T. Morse, E. Nigoghossian, L. Okach, S. Oommachen, J. Paulsen, K. Quijano, R. Reyes, C. L. Rife, H. Van Den Bedem, D. Weekes, A. White G. Wolf, Q. Xu, K. O. Hodgson, J. Wooley, A. M. Deacon, A. Godzik, S. A. Lesley, I. A. Wilson
Crystal Structure Of Aicar Transformylase Imp Cyclohydrolas (Tm1249) From Thermotoga Maritima At 1. 88 A Resolution.
Proteins V. 71 1042 2008
PubMed-ID: 18260100  |  Reference-DOI: 10.1002/PROT.21967

(-) Compounds

Molecule 1 - BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: PURH
    Mutation: YES
    Organism Scientific: THERMOTOGA MARITIMA
    Organism Taxid: 2336
    Synonym: PHOSPHORIBOSYLAMINOIMIDAZOLECARBOXAMIDE FORMYLTRANSFERASE, IMP CYCLOHYDROLASE

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1K2Ligand/IonPOTASSIUM ION
2PG42Ligand/IonTETRAETHYLENE GLYCOL

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:350 , GLU A:351 , ALA A:353 , ASP A:399 , VAL A:449 , ARG A:451BINDING SITE FOR RESIDUE K A 453
2AC2SOFTWAREVAL B:350 , GLU B:351 , ALA B:353 , ASP B:399 , VAL B:449 , ARG B:451BINDING SITE FOR RESIDUE K B 453
3AC3SOFTWAREGLY A:157 , LEU A:160 , ALA A:161 , PHE A:162 , TRP A:306 , HOH A:550 , HOH A:576 , HOH A:648 , PHE B:180 , TYR B:182BINDING SITE FOR RESIDUE PG4 A 454
4AC4SOFTWAREPHE A:180 , TYR A:182 , LEU B:160 , ALA B:161 , PHE B:162 , TRP B:306 , HOH B:514 , HOH B:594BINDING SITE FOR RESIDUE PG4 B 454

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Pro A:90 -Pro A:91
2Ser A:355 -Asn A:356
3Pro B:90 -Pro B:91
4Ser B:355 -Asn B:356

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1ZCZ)

(-) Exons   (0, 0)

(no "Exon" information available for 1ZCZ)

(-) Sequences/Alignments

Asymmetric/Biological 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:452
 aligned with PUR9_THEMA | Q9X0X6 from UniProtKB/Swiss-Prot  Length:452

    Alignment length:452
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450  
           PUR9_THEMA     1 MKRILVSLYEKEKYLDILRELHEKGWEIWASSGTAKFLKSNGIEANDVSTITGFENLLGGLVKTLHPEIFAGILGPEPRWDVVFVDLYPPPDIDIGGVALLRAAAKNWKKVKPAFDMETLKLAIEIDDEETRKYLAGMTFAFTSVYDSIRANQFVEGISLAFKREDLQLRYGENPHEKAFVYGKPAFEILHEGKTISFNNILDAENAWFMAKNLPRMGAVVVKHQSPCGAAIGEDKVEIVKKAIEADDESSFGGILAVNFEMDEEVAKSLKKYLEVIVAPSFTQEAIEVLSKKKVRLLKPGDYASWAGKMAFGSLVLSERKYPEGNFELVVGEPLSEKELEDLEFAYRVVEGAKSNAVLIAKDGVTVGIGSGQPSRKRAAWIATVMAGEKAKGAVAASDAFFPFPDSLEILAQAGVKAVVAPLGSIRDEEVIEKARELGITFYKAPSRVFRH 452
               SCOP domains d1zcza1 A:1-157 IMP cyclohydrolase domain of bifunctional purine biosynthesis enzyme ATIC                                                                    d1zcza2 A:158-452 AICAR transformylase domain of bifunctional purine biosynthesis enzyme ATIC                                                                                                                                                                                                           SCOP domains
               CATH domains 1zczA01 A:1-156  [code=3.40.50.1380, no name defined]                                                                                                       -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee...hhhhhhhhhhhhhh..eeeehhhhhhhhhhh....ee.hhhh...hhhhhh....hhhhhhhhhh......eeee.........hhhhhhhhhhhhh....eee.hhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeeeee.............eeee....eeee......hhhhhhhhhhhhhhhhh....eeeeee..eeeeeee..hhhhhhhhhhhhh......eeeee....hhhhhhhh...eeeee....hhhhhhhhh....eeeee.....eeeeee..eeeeee........eeee....hhhhhhhhhhhhhhhhhh....eeeee..eeeeee....hhhhhhhhhhhhhhhhhh..eeee.....hhhhhhhhhhh...eeee.....hhhhhhhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1zcz A   1 MKRILVSLYEKEKYLDILRELHEKGWEIWASSGTAKFLKSNGIEANDVSTITGFENLLGGLVKTLHPEIFAGILGPEPRWDVVFVDLYPPPDIDIGGVALLRAAAKNWKKVKPAFDMETLKLAIEIDDEETRKYLAGMTFAFTSVYDSIRANQFVEGISLAFKREDLQLRYGENPHEKAFVYGKPAFEILHEGKTISFNNILDAENAWFMAKNLPRMGAVVVKHQSPCGAAIGEDKVEIVKKAIEADDESSFGGILAVNFEMDEEVAKSLKKYLEVIVAPSFTQEAIEVLSKKKVRLLKPGDYASWAGKMAFGSLVLSERKYPEGNFELVVGEPLSEKELEDLEFAYRVVEGAKSNAVLIAKDGVTVGIGSGQPSRKRAAWIATVMAGEKAKGAVAASDAFFPFPDSLEILAQAGVKAVVAPLGSIRDEEVIEKARELGITFYKAPSRVFRH 452
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450  


Chain B from PDB  Type:PROTEIN  Length:454
 aligned with PUR9_THEMA | Q9X0X6 from UniProtKB/Swiss-Prot  Length:452

    Alignment length:454
                              1                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448    
           PUR9_THEMA     - --MKRILVSLYEKEKYLDILRELHEKGWEIWASSGTAKFLKSNGIEANDVSTITGFENLLGGLVKTLHPEIFAGILGPEPRWDVVFVDLYPPPDIDIGGVALLRAAAKNWKKVKPAFDMETLKLAIEIDDEETRKYLAGMTFAFTSVYDSIRANQFVEGISLAFKREDLQLRYGENPHEKAFVYGKPAFEILHEGKTISFNNILDAENAWFMAKNLPRMGAVVVKHQSPCGAAIGEDKVEIVKKAIEADDESSFGGILAVNFEMDEEVAKSLKKYLEVIVAPSFTQEAIEVLSKKKVRLLKPGDYASWAGKMAFGSLVLSERKYPEGNFELVVGEPLSEKELEDLEFAYRVVEGAKSNAVLIAKDGVTVGIGSGQPSRKRAAWIATVMAGEKAKGAVAASDAFFPFPDSLEILAQAGVKAVVAPLGSIRDEEVIEKARELGITFYKAPSRVFRH 452
               SCOP domains d1zczb1 B:-1-157 IMP cyclohydrolase domain of bifunctional purine biosynthesis enzyme ATIC                                                                     d1zczb2 B:158-452 AICAR transformylase domain of bifunctional purine biosynthesis enzyme ATIC                                                                                                                                                                                                           SCOP domains
               CATH domains 1zczB01 B:-1-156  [code=3.40.50.1380, no name defined]                                                                                                        -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ---------------------------------------------------------------------------------------------------------AICARFT_IMPCHas-1zczB01 B:104-387                                                                                                                                                                                                                                                           ----------------------------------------------------------------- Pfam domains (1)
           Pfam domains (2) ---------------------------------------------------------------------------------------------------------AICARFT_IMPCHas-1zczB02 B:104-387                                                                                                                                                                                                                                                           ----------------------------------------------------------------- Pfam domains (2)
           Pfam domains (3) --------------MGS-1zczB03 B:13-109                                                                             ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains (3)
           Pfam domains (4) --------------MGS-1zczB04 B:13-109                                                                             ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains (4)
         Sec.struct. author ....eeeeee.....hhhhhhhhhhh..eeeehhhhhhhhhhh....ee.hhhh...hhhhhh....hhhhhhhhhh......eeeee........hhhhhhhhhhhhh....eee.hhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeeeee.............eeee....eee.......hhhhhhhhhhhhhhhhh....eeeeee..eeeeeee..hhhhhhhhhhhhh......eeeee....hhhhhhh....eeeee....hhhhhhhhhhh..eeeee.....eeeeee..eeeeee........eeee....hhhhhhhhhhhhhhhhhh....eeeee..eeeeee....hhhhhhhhhhhhhhhhhh..eeee......hhhhhhhhhh...eeee.....hhhhhhhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1zcz B  -1 HHMKRILVSLYEKEKYLDILRELHEKGWEIWASSGTAKFLKSNGIEANDVSTITGFENLLGGLVKTLHPEIFAGILGPEPRWDVVFVDLYPPPDIDIGGVALLRAAAKNWKKVKPAFDMETLKLAIEIDDEETRKYLAGMTFAFTSVYDSIRANQFVEGISLAFKREDLQLRYGENPHEKAFVYGKPAFEILHEGKTISFNNILDAENAWFMAKNLPRMGAVVVKHQSPCGAAIGEDKVEIVKKAIEADDESSFGGILAVNFEMDEEVAKSLKKYLEVIVAPSFTQEAIEVLSKKKVRLLKPGDYASWAGKMAFGSLVLSERKYPEGNFELVVGEPLSEKELEDLEFAYRVVEGAKSNAVLIAKDGVTVGIGSGQPSRKRAAWIATVMAGEKAKGAVAASDAFFPFPDSLEILAQAGVKAVVAPLGSIRDEEVIEKARELGITFYKAPSRVFRH 452
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448
   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  (2, 4)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (2, 4)

Asymmetric/Biological Unit
(-)
Clan: CDA (39)
(-)
Clan: no clan defined [family: MGS] (13)
(-)
Family: MGS (13)
(-)
Thermotoga maritima (2)
2aMGS-1zczB03B:13-109
2bMGS-1zczB04B:13-109

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (PUR9_THEMA | Q9X0X6)
molecular function
    GO:0003937    IMP cyclohydrolase activity    Catalysis of the reaction: IMP + H2O = 5-formamido-1-(5-phosphoribosyl)imidazole-4-carboxamide.
    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:0004643    phosphoribosylaminoimidazolecarboxamide formyltransferase activity    Catalysis of the reaction: 10-formyltetrahydrofolate + 5'-phosphoribosyl-5-amino-4-imidazolecarboxamide = tetrahydrofolate + 5'-phosphoribosyl-5-formamido-4-imidazolecarboxamide.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0006189    'de novo' IMP biosynthetic process    The chemical reactions and pathways resulting in the formation of IMP, inosine monophosphate, by the stepwise assembly of a purine ring on ribose 5-phosphate.
    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:0006164    purine nucleotide biosynthetic process    The chemical reactions and pathways resulting in the formation of a purine nucleotide, a compound consisting of nucleoside (a purine base linked to a deoxyribose or ribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.

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