Structure of PDB 4klx Chain A Binding Site BS01

Receptor Information
>4klx Chain A (length=161) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SHMVGLIWAQATSGVIGRGGDIPWRLPEDQAHFREITMGHTIVMGRRTWD
SLPAKVRPLPGRRNVVLSRQADFMASGAEVVGSLEEALTSPETWVIGGGQ
VYALALPYATRCEVTEVDIGLPREAGDALAPVLDETWRGETGEWRFSRSG
LRYRLYSYHRS
Ligand information
Ligand IDATR
InChIInChI=1S/C10H16N5O13P3/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(27-29(17,18)19)6(16)4(26-10)1-25-31(23,24)28-30(20,21)22/h2-4,6-7,10,16H,1H2,(H,23,24)(H2,11,12,13)(H2,17,18,19)(H2,20,21,22)/t4-,6-,7-,10-/m1/s1
InChIKeyYPTPYQSAVGGMFN-KQYNXXCUSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O[P](O)(O)=O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)O)O)OP(=O)(O)O)N
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(O)OP(=O)(O)O)O)OP(=O)(O)O)N
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(OP(=O)(O)O)C3O
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O[P](O)(O)=O
FormulaC10 H16 N5 O13 P3
Name2'-MONOPHOSPHOADENOSINE-5'-DIPHOSPHATE
ChEMBL
DrugBankDB02363
ZINCZINC000013523101
PDB chain4klx Chain A Residue 201 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4klx Mycobacterium tuberculosis Dihydrofolate Reductase Reveals Two Conformational States and a Possible Low Affinity Mechanism to Antifolate Drugs.
Resolution1.23 Å
Binding residue
(original residue number in PDB)		G43 R44 R45 T46 L65 S66 R67 Q68 G96 Q98 V99
Binding residue
(residue number reindexed from 1)		G45 R46 R47 T48 L67 S68 R69 Q70 G98 Q100 V101
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) I5 I20 W22 D27 Q28 F31 L57 T91 T113
Catalytic site (residue number reindexed from 1) I7 I22 W24 D29 Q30 F33 L59 T93 T115
Enzyme Commision number 1.5.1.3: dihydrofolate reductase.
Gene Ontology
Molecular Function
GO:0004146 dihydrofolate reductase activity
GO:0016491 oxidoreductase activity
GO:0050661 NADP binding
GO:0070401 NADP+ binding
Biological Process
GO:0006730 one-carbon metabolic process
GO:0046452 dihydrofolate metabolic process
GO:0046654 tetrahydrofolate biosynthetic process
GO:0046655 folic acid metabolic process
Cellular Component
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4klx, PDBe:4klx, PDBj:4klx
PDBsum4klx
PubMed24210757
UniProtP9WNX1|DYR_MYCTU Dihydrofolate reductase (Gene Name=folA)

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