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(-) Description

Title :  CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 6-[(4-METHOXYBENZYL)SULFANYL]PYRIMIDINE-2,4-DIAMINE (AX6)
 
Authors :  L. B. Tulloch, W. N. Hunter
Date :  06 Sep 09  (Deposition) - 08 Dec 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Pteridine Reductase, Ptr1, Trypanosoma Brucei, Short Chain Dehydrogenase, Inhibitor, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. B. Tulloch, V. P. Martini, J. Iulek, J. K. Huggan, J. H. Lee, C. L. Gibson, T. K. Smith, C. J. Suckling, W. N. Hunter
Structure-Based Design Of Pteridine Reductase Inhibitors Targeting African Sleeping Sickness And The Leishmaniases.
J. Med. Chem. V. 53 221 2010
PubMed-ID: 19916554  |  Reference-DOI: 10.1021/JM901059X

(-) Compounds

Molecule 1 - PTERIDINE REDUCTASE 1
    Chains: A, C
    EC Number: 1.5.1.33
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET15B
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 102-369
    Gene: PTR1, TB927.8.2210
    Organism Scientific: TRYPANOSOMA BRUCEI
    Organism Taxid: 5691
 
Molecule 2 - PTERIDINE REDUCTASE 1
    Chains: B, D
    EC Number: 1.5.1.33
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET15B
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 102-369
    Gene: PTR1, TB927.8.2210
    Organism Scientific: TRYPANOSOMA BRUCEI
    Organism Taxid: 5691

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit : ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 10)

Asymmetric/Biological Unit (3, 10)
No.NameCountTypeFull Name
1AX64Ligand/Ion6-[(4-METHOXYBENZYL)SULFANYL]PYRIMIDINE-2,4-DIAMINE
2CSX2Mod. Amino AcidS-OXY CYSTEINE
3NAP4Ligand/IonNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:14 , ILE A:15 , TYR A:34 , HIS A:35 , ASN A:36 , SER A:37 , ALA A:61 , ASP A:62 , LEU A:63 , THR A:64 , ASN A:93 , ALA A:94 , SER A:95 , THR A:126 , LEU A:159 , CYS A:160 , TYR A:174 , LYS A:178 , PRO A:204 , GLY A:205 , VAL A:206 , SER A:207 , LEU A:208 , AX6 A:270 , HOH A:282 , HOH A:297 , HOH A:313 , HOH A:346 , HOH A:365 , HOH A:412 , HOH A:419 , HOH A:434 , HOH A:446BINDING SITE FOR RESIDUE NAP A 269
2AC2SOFTWAREARG A:14 , SER A:95 , PHE A:97 , ASP A:161 , TYR A:174 , LEU A:208 , PRO A:210 , TRP A:221 , NAP A:269 , HOH A:351 , HOH A:415BINDING SITE FOR RESIDUE AX6 A 270
3AC3SOFTWAREARG B:14 , ILE B:15 , TYR B:34 , HIS B:35 , ASN B:36 , SER B:37 , ALA B:61 , ASP B:62 , LEU B:63 , THR B:64 , ASN B:93 , ALA B:94 , SER B:95 , THR B:126 , LEU B:159 , CYS B:160 , TYR B:174 , LYS B:178 , PRO B:204 , GLY B:205 , SER B:207 , LEU B:208 , AX6 B:270 , HOH B:411 , HOH B:412 , HOH B:417 , HOH B:441 , HOH B:449 , HOH B:494 , HOH B:500 , HOH B:518 , HOH B:553BINDING SITE FOR RESIDUE NAP B 269
4AC4SOFTWAREARG B:14 , SER B:95 , PHE B:97 , TYR B:174 , LEU B:208 , LEU B:209 , PRO B:210 , TRP B:221 , NAP B:269 , HOH B:478 , HOH B:558BINDING SITE FOR RESIDUE AX6 B 270
5AC5SOFTWAREARG C:14 , ILE C:15 , TYR C:34 , HIS C:35 , ASN C:36 , SER C:37 , ALA C:61 , ASP C:62 , LEU C:63 , THR C:64 , ASN C:93 , ALA C:94 , SER C:95 , THR C:126 , LEU C:159 , CYS C:160 , ASP C:161 , TYR C:174 , LYS C:178 , PRO C:204 , GLY C:205 , VAL C:206 , SER C:207 , LEU C:208 , AX6 C:270 , HOH C:271 , HOH C:285 , HOH C:287 , HOH C:293 , HOH C:342 , HOH C:362BINDING SITE FOR RESIDUE NAP C 269
6AC6SOFTWAREARG C:14 , SER C:95 , PHE C:97 , CYS C:168 , TYR C:174 , LEU C:208 , LEU C:209 , PRO C:210 , MET C:213 , TRP C:221 , NAP C:269 , HOH C:332BINDING SITE FOR RESIDUE AX6 C 270
7AC7SOFTWAREARG D:14 , ILE D:15 , TYR D:34 , HIS D:35 , ASN D:36 , SER D:37 , ALA D:61 , ASP D:62 , LEU D:63 , THR D:64 , ASN D:93 , ALA D:94 , SER D:95 , THR D:126 , LEU D:159 , CYS D:160 , TYR D:174 , LYS D:178 , PRO D:204 , GLY D:205 , SER D:207 , LEU D:208 , AX6 D:270 , HOH D:271 , HOH D:299 , HOH D:348 , HOH D:354 , HOH D:359 , HOH D:374 , HOH D:384 , HOH D:385BINDING SITE FOR RESIDUE NAP D 269
8AC8SOFTWAREARG D:14 , SER D:95 , PHE D:97 , CYS D:168 , TYR D:174 , LEU D:208 , PRO D:210 , MET D:213 , NAP D:269 , HOH D:396BINDING SITE FOR RESIDUE AX6 D 270

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3JQG)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3JQG)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3JQG)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3JQG)

(-) Exons   (0, 0)

(no "Exon" information available for 3JQG)

(-) 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:249
 aligned with Q581W1_TRYB2 | Q581W1 from UniProtKB/TrEMBL  Length:369

    Alignment length:267
                                   112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       
         Q581W1_TRYB2   103 EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKERSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTPLVQGDHEDNSNGKTVETQVAELIGTNAIAPFLLTMSFAQRQKGTNPNCTSSNLSIVNLCDAMVDQPCMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA 369
               SCOP domains d3jqga_ A: automated matches                                                                                                                                                                                                                                                SCOP domains
               CATH domains 3jqgA00 A:2-268 NAD(P)-binding Rossmann-like Domain                                                                                                                                                                                                                         CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee....hhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhhhhh...eeeee.......hhhhhhhhhhhhhhhhhh...eeee...........---------..hhhhhhhhhhhhhhhhhhhhhhhhhhh.---------...eeeee...........hhhhhhhhhhhhhhhhhhhhhhhhhh.eeeeeee.........hhhhhhhhhh.........hhhhhhhhhhhhhhhhhh.....eeee..hhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3jqg A   2 EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKERSNTAVVcQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTPLV---------GKTVETQVAELIGTNAIAPFLLTMSFAQRQ---------SNLSIVNLCDAMVDQPCMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA 268
                                    11        21        31        41        51       |61        71        81        91       101 |       - |     121       131       141|        -|      161       171       181       191       201       211       221       231       241       251       261       
                                                                                    59-CSX                                     103       113                          142       152                                                                                                                    


Chain B from PDB  Type:PROTEIN  Length:248
 aligned with Q581W1_TRYB2 | Q581W1 from UniProtKB/TrEMBL  Length:369

    Alignment length:267
                                   112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       
         Q581W1_TRYB2   103 EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKERSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTPLVQGDHEDNSNGKTVETQVAELIGTNAIAPFLLTMSFAQRQKGTNPNCTSSNLSIVNLCDAMVDQPCMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA 369
               SCOP domains d3jqgb_ B: automated matches                                                                                                                                                                                                                                                SCOP domains
               CATH domains 3jqgB00 B:2-268 NAD(P)-binding Rossmann-like Domain                                                                                                                                                                                                                         CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee....hhhhhhhhhhhhhhh.eeeeee..hhhhhhhhhhhhhhhh...eeeee.......hhhhhhhhhhhhhhhhhh...eeee...........---------..hhhhhhhhhhhhhhhhhhhhhhhhhhh.----------.eeeeee...........hhhhhhhhhhhhhhhhhhhhhhh...eeeeeeee.........hhhhhhhhhh.........hhhhhhhhhhhhhhhhhh.....eeee..hhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3jqg B   2 EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKERSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTPLV---------GKTVETQVAELIGTNAIAPFLLTMSFAQRQ----------NLSIVNLCDAMVDQPCMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA 268
                                    11        21        31        41        51        61        71        81        91       101 |       - |     121       131       141|        - |     161       171       181       191       201       211       221       231       241       251       261       
                                                                                                                               103       113                          142        153                                                                                                                   


Chain C from PDB  Type:PROTEIN  Length:248
 aligned with Q581W1_TRYB2 | Q581W1 from UniProtKB/TrEMBL  Length:369

    Alignment length:267
                                   112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       
         Q581W1_TRYB2   103 EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKERSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTPLVQGDHEDNSNGKTVETQVAELIGTNAIAPFLLTMSFAQRQKGTNPNCTSSNLSIVNLCDAMVDQPCMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA 369
               SCOP domains d3jqgc_ C: automated matches                                                                                                                                                                                                                                                SCOP domains
               CATH domains 3jqgC00 C:2-268 NAD(P)-binding Rossmann-like Domain                                                                                                                                                                                                                         CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee....hhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhhhhh...eeeee.......hhhhhhhhhhhhhhhhhh...eeee...........---------..hhhhhhhhhhhhhhhhhhhhhhhhhhh.----------..eeeee...........hhhhhhhhhhhhhhhhhhhhhhhhhh.eeeeeee.........hhhhhhhhhh.........hhhhhhhhhhhhhhhhhh.....eeee..hhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3jqg C   2 EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKERSNTAVVcQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTPLV---------GKTVETQVAELIGTNAIAPFLLTMSFAQRQ----------NLSIVNLCDAMVDQPCMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA 268
                                    11        21        31        41        51       |61        71        81        91       101 |       - |     121       131       141|        - |     161       171       181       191       201       211       221       231       241       251       261       
                                                                                    59-CSX                                     103       113                          142        153                                                                                                                   


Chain D from PDB  Type:PROTEIN  Length:249
 aligned with Q581W1_TRYB2 | Q581W1 from UniProtKB/TrEMBL  Length:369

    Alignment length:267
                                   112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       
         Q581W1_TRYB2   103 EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKERSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTPLVQGDHEDNSNGKTVETQVAELIGTNAIAPFLLTMSFAQRQKGTNPNCTSSNLSIVNLCDAMVDQPCMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA 369
               SCOP domains d3jqgd_ D: automated matches                                                                                                                                                                                                                                                SCOP domains
               CATH domains 3jqgD00 D:2-268 NAD(P)-binding Rossmann-like Domain                                                                                                                                                                                                                         CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee....hhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhhhhh...eeeee.......hhhhhhhhhhhhhhhhhh...eeee...........---------..hhhhhhhhhhhhhhhhhhhhhhhhhhhh---------..eeeeee...........hhhhhhhhhhhhhhhhhhhhhhh...eeeeeeee.........hhhhhhhhhhh........hhhhhhhhhhhhhh.........eeee..hhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3jqg D   2 EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKERSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTPLV---------GKTVETQVAELIGTNAIAPFLLTMSFAQRQ---------SNLSIVNLCDAMVDQPCMAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA 268
                                    11        21        31        41        51        61        71        81        91       101 |       - |     121       131       141|        -|      161       171       181       191       201       211       221       231       241       251       261       
                                                                                                                               103       113                          142       152
   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, 4)

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

(-) CATH Domains  (1, 4)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3JQG)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C,D   (Q581W1_TRYB2 | Q581W1)
molecular function
    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:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0047040    pteridine reductase activity    Catalysis of the reaction: 5,6,7,8-tetrahydrobiopterin + 2 NADP(+) = biopterin + 2 H(+) + 2 NADPH.
biological process
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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  3jqg
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 Related Entries

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

UniProtKB/TrEMBL
        Q581W1_TRYB2 | Q581W1: 2yhi 3jq6 3jq7 3jq8 3jq9 3jqa 3jqb 3jqc 3jqd 3jqe 3jqf

(-) Related Entries Specified in the PDB File

3jq6 CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 6,7-BIS(1-METHYLETHYL)PTERIDINE-2,4-DIAMINE (DX1)
3jq7 CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 6-PHENYLPTERIDINE-2,4,7-TRIAMINE (DX2)
3jq8 CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 6,7,7-TRIMETHYL-7,8-DIHYDROPTERIDINE-2,4- DIAMINE (DX3)
3jq9 CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 2-AMINO-6-(1,3-BENZODIOXOL-5-YL)-4-OXO-4,7- DIHYDRO-3H-PYRROLO[2,3-D]PYRIMIDINE-5-CARBONITRILE (AX1)
3jqa CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 2-AMINO-1,9-DIHYDRO-6H-PURINE-6-THIONE (DX4)
3jqb CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 2-AMINO-5-(2-PHENYLETHYL)-3,7-DIHYDRO-4H- PYRROLO[2,3-D]PYRIMIDIN-4-ONE (DX6)
3jqc CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 2-AMINO-6-BROMO-4-OXO-4,7-DIHYDRO-3H- PYRROLO[2,3-D]PYRIMIDINE-5-CARBONITRILE (JU2)
3jqd CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 2-AMINO-4-OXO-6-PHENYL-4,7-DIHYDRO-3H- PYRROLO[2,3-D]PYRIMIDINE-5-CARBONITRILE (DX7)
3jqe CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 2-AMINO-6-(4-METHOXYPHENYL)-4-OXO-4,7-DIHYDRO -3H-PYRROLO[2,3-D]PYRIMIDINE-5-CARBONITRILE (DX8)
3jqf CRYSTAL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR 1,3,5-TRIAZINE-2,4,6-TRIAMINE (AX2)