Structure of PDB 4apn Chain A Binding Site BS02

Receptor Information
>4apn Chain A (length=488) Species: 5671 (Leishmania infantum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MSRAYDLVVLGAGSGGLEAGWNAAVTHKKKVAVVDVQATHGPPLFAALGG
TCVNVGCVPKKLMVTGAQYMDLIRESGGFGWEMDRESLCPNWKTLIAAKN
KVVNSINESYKSMFADTEGLSFHMGFGALQDAHTVVVRKSEDPHSDVLET
LDTEYILIATGSWPTRLGVPGDEFCITSNEAFYLEDAPKRMLCVGGGYIA
VEFAGIFNGYKPCGGYVDLCYRGDLILRGFDTEVRKSLTKQLGANGIRVR
TNLNPTKITKNEDGSNHVHFNDGTEEDYDQVMLAIGRVPRSQALQLDKAG
VRTGKNGAVQVDAYSKTSVDNIYAIGDVTNRVMLTPVAINEGAAFVETVF
GGKPRATDHTKVACAVFSIPPIGTCGMTEEEAAKNYETVAVYASSFTPLM
HNISGSKHKEFMIRIITNESNGEVLGVHMLGDSAPEIIQSVGICMKMGAK
ISDFHSTIGVHPTSAEELCSMRTPAYFYESGKRVEKLS
Ligand information
Ligand IDNDP
InChIInChI=1S/C21H30N7O17P3/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(44-46(33,34)35)14(30)11(43-21)6-41-48(38,39)45-47(36,37)40-5-10-13(29)15(31)20(42-10)27-3-1-2-9(4-27)18(23)32/h1,3-4,7-8,10-11,13-16,20-21,29-31H,2,5-6H2,(H2,23,32)(H,36,37)(H,38,39)(H2,22,24,25)(H2,33,34,35)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyACFIXJIJDZMPPO-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O[P](O)(O)=O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
CACTVS 3.341NC(=O)C1=CN(C=CC1)[C@@H]2O[C@H](CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O[P](O)(O)=O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
FormulaC21 H30 N7 O17 P3
NameNADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
ChEMBLCHEMBL407009
DrugBankDB02338
ZINCZINC000008215411
PDB chain4apn Chain A Residue 1490 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4apn Inhibition of Leishmania Infantum Trypanothione Reductase by Azole-Based Compounds: A Comparative Analysis with its Physiological Substrate by X-Ray Crystallography.
Resolution3.2 Å
Binding residue
(original residue number in PDB)		G196 G197 Y198 I199 E202 Y221 R222 R228 A284 I285 G286 R287 M333 A365
Binding residue
(residue number reindexed from 1)		G196 G197 Y198 I199 E202 Y221 R222 R228 A284 I285 G286 R287 M333 A365
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) L48 C52 C57 K60 Y198 E202 G459 H461 E466 E485 K486
Catalytic site (residue number reindexed from 1) L48 C52 C57 K60 Y198 E202 G459 H461 E466 E485 K486
Enzyme Commision number 1.8.1.12: trypanothione-disulfide reductase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004362 glutathione-disulfide reductase (NADPH) activity
GO:0015036 disulfide oxidoreductase activity
GO:0015042 trypanothione-disulfide reductase (NADPH) activity
GO:0016491 oxidoreductase activity
GO:0016668 oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
GO:0050660 flavin adenine dinucleotide binding
Biological Process
GO:0006749 glutathione metabolic process
GO:0034599 cellular response to oxidative stress
GO:0045454 cell redox homeostasis
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005739 mitochondrion
GO:0005829 cytosol

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Molecular Function
View graph for
Biological Process
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Cellular Component
External links
PDB RCSB:4apn, PDBe:4apn, PDBj:4apn
PDBsum4apn
PubMed23733388
UniProtA4HSF7

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