Structure of PDB 2x99 Chain A Binding Site BS02

Receptor Information
>2x99 Chain A (length=587) Species: 6183 (Schistosoma mansoni) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GTSQWLRKTVDSAAVILFSKTTCPYCKKVKDVLAEAKIKHATIELDQLSN
GSAIQKCLASFSKIETVPQMFVRGKFIGDSQTVLKYYSNDELAGIVNESK
YDYDLIVIGGGSGGLAAGKEAAKYGAKTAVLDYVEPTPIGTTWGLGGTCV
NVGCIPKKLMHQAGLLSHALEDAEHFGWSLDRSKISHNWSTMVEGVQSHI
GSLNWGYKVALRDNQVTYLNAKGRLISPHEVQITDKNQKVSTITGNKIIL
ATGERPKYPEIPGAVEYGITSDDLFSLPYFPGKTLVIGASYVALECAGFL
ASLGGDVTVMVRSILLRGFDQQMAEKVGDYMENHGVKFAKLCVPDEIKQL
KVVDTENNKPGLLLVKGHYTDGKKFEEEFETVIFAVGREPQLSKVLCETV
GVKLDKNGRVVCTDDEQTTVSNVYAIGDINAGKPQLTPVAIQAGRYLARR
LFAGATELTDYSNVATTVFTPLEYGACGLSEEDAIEKYGDKDIEVYHSNF
KPLEWTVAHREDNVCYMKLVCRKSDNMRVLGLHVLGPNAGEITQGYAVAI
KMGATKADFDRTIGIHPTCSETFTTLHVTKKSGVSPI
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 chain2x99 Chain A Residue 602 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB2x99 Mapping the Catalytic Cycle of Schistosoma Mansoni Thioredoxin Glutathione Reductase by X-Ray Crystallography
Resolution2.3 Å
Binding residue
(original residue number in PDB)		K162 A294 S295 Y296 V297 E300 R317 S318 R322 V391 G392 R393 Q440
Binding residue
(residue number reindexed from 1)		K157 A289 S290 Y291 V292 E295 R312 S313 R317 V386 G387 R388 Q435
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) L150 C154 C159 K162 Y296 E300 G569 H571 E576
Catalytic site (residue number reindexed from 1) L145 C149 C154 K157 Y291 E295 G564 H566 E571
Enzyme Commision number 1.8.1.9: thioredoxin-disulfide reductase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004362 glutathione-disulfide reductase (NADPH) activity
GO:0004791 thioredoxin-disulfide reductase (NADPH) activity
GO:0016491 oxidoreductase activity
GO:0016668 oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
GO:0046872 metal ion binding
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2x99, PDBe:2x99, PDBj:2x99
PDBsum2x99
PubMed20659890
UniProtQ962Y6

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