Structure of PDB 2a87 Chain A Binding Site BS01

Receptor Information
>2a87 Chain A (length=313) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AHHPVRDVIVIGSGPAGYTAALYAARAQLAPLVFEGTSFGGALMTTTDVE
NYPGFRNGITGPELMDEMREQALRFGADLRMEDVESVSLHGPLKSVVTAD
GQTHRARAVILAMGAAARYLQVPGEQELLGRGVSSCATCDGFFFRDQDIA
VIGGGDSAMEEATFLTRFARSVTLVHRRDEFRASKIMLDRARNNDKIRFL
TNHTVVAVDGDTTVTGLRVRDTNTGAETTLPVTGVFVAIGHEPRSGLVRE
AIDVDPDGYVLVQGRTTSTSLPGVFAAGDLVDRTYRQAVTAAGSGCAAAI
DAERWLAEHAATG
Ligand information
Ligand IDFAD
InChIInChI=1S/C27H33N9O15P2/c1-10-3-12-13(4-11(10)2)35(24-18(32-12)25(42)34-27(43)33-24)5-14(37)19(39)15(38)6-48-52(44,45)51-53(46,47)49-7-16-20(40)21(41)26(50-16)36-9-31-17-22(28)29-8-30-23(17)36/h3-4,8-9,14-16,19-21,26,37-41H,5-7H2,1-2H3,(H,44,45)(H,46,47)(H2,28,29,30)(H,34,42,43)/t14-,15+,16+,19-,20+,21+,26+/m0/s1
InChIKeyVWWQXMAJTJZDQX-UYBVJOGSSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO[P@](O)(=O)O[P@@](O)(=O)OC[C@H]4O[C@H]([C@H](O)[C@@H]4O)n5cnc6c(N)ncnc56)c2cc1C
OpenEye OEToolkits 1.5.0Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)O)O)O)O)O
OpenEye OEToolkits 1.5.0Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO[P@@](=O)(O)O[P@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O)O
CACTVS 3.341Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O)[CH]4O)n5cnc6c(N)ncnc56)c2cc1C
ACDLabs 10.04O=C2C3=Nc1cc(c(cc1N(C3=NC(=O)N2)CC(O)C(O)C(O)COP(=O)(O)OP(=O)(O)OCC6OC(n5cnc4c(ncnc45)N)C(O)C6O)C)C
FormulaC27 H33 N9 O15 P2
NameFLAVIN-ADENINE DINUCLEOTIDE
ChEMBLCHEMBL1232653
DrugBankDB03147
ZINCZINC000008215434
PDB chain2a87 Chain A Residue 348 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2a87 Conformational flexibility of Mycobacterium tuberculosis thioredoxin reductase: crystal structure and normal-mode analysis.
Resolution3.0 Å
Binding residue
(original residue number in PDB)		G21 S22 G23 P24 A25 F43 E44 G45 G49 G50 A51 L52 T55 V58 N60 D92 V93 M122 C148 G287 D288 R295 Q296 A297 V298
Binding residue
(residue number reindexed from 1)		G12 S13 G14 P15 A16 F34 E35 G36 G40 G41 A42 L43 T46 V49 N51 D83 V84 M113 C139 G278 D279 R286 Q287 A288 V289
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) F48 L52 D57 C145 C148 D149
Catalytic site (residue number reindexed from 1) F39 L43 D48 C136 C139 D140
Enzyme Commision number 1.8.1.9: thioredoxin-disulfide reductase.
Gene Ontology
Molecular Function
GO:0004791 thioredoxin-disulfide reductase (NADPH) activity
GO:0005515 protein binding
GO:0015035 protein-disulfide reductase activity
GO:0016491 oxidoreductase activity
GO:0050660 flavin adenine dinucleotide binding
GO:0070402 NADPH binding
Biological Process
GO:0001666 response to hypoxia
GO:0019430 removal of superoxide radicals
GO:0045454 cell redox homeostasis
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2a87, PDBe:2a87, PDBj:2a87
PDBsum2a87
PubMed16301794
UniProtP9WHH1|TRXB_MYCTU Thioredoxin reductase (Gene Name=trxB)

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