Structure of PDB 3sqp Chain A Binding Site BS02

Receptor Information
>3sqp Chain A (length=461) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VASYDYLVIGGGSGGLASARRAAELGARAAVVESHKLGGTCVNVGCVPKK
VMWNTAVHSEFMHDHADYGFPSCEGKFNWRVIKEKRDAYVSRLNAIYQNN
LTKSHIEIIRGHAAFTSDPKPTIEVSGKKYTAPHILIATGGMPSTPHESQ
IPGASLGITSDGFFQLEELPGRSVIVGAGYIAVEMAGILSALGSKTSLMI
RHDKVLRSFDSMISTNCTEELENAGVEVLKFSQVKEVKKTLSGLEVSMVT
AVPGRLPVMTMIPDVDCLLWAIGRVPNTKDLSLNKLGIQTDDKGHIIVDE
FQNTNVKGIYAVGDVCGKALLTPVAIAAGRKLAHRLFEYKEDSKLDYNNI
PTVVFSHPPIGTVGLTEDEAIHKYGIENVKTYSTSFTPMYHAVTKRKTKC
VMKMVCANKEEKVVGIHMQGLGCDEMLQGFAVAVKMGATKADFDNTVAIH
PTSSEELVTLR
Ligand information
Ligand ID3J8
InChIInChI=1S/C13H10N2O/c1-15-10-6-3-2-5-9(10)14-13-11(15)7-4-8-12(13)16/h2-8H,1H3
InChIKeyYNCMLFHHXWETLD-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.2CN1c2ccccc2N=C3C1=CC=CC3=O
ACDLabs 12.01O=C3C2=Nc1c(cccc1)N(C2=CC=C3)C
CACTVS 3.370CN1c2ccccc2N=C3C(=O)C=CC=C13
FormulaC13 H10 N2 O
Name5-methylphenazin-1(5H)-one;
Pyocyanin;
Pyrocyanine;
Sanasin;
Sanazin
ChEMBLCHEMBL2289232
DrugBank
ZINCZINC000003873998
PDB chain3sqp Chain A Residue 900 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3sqp The bacterial redox signaller pyocyanin as an antiplasmodial agent: comparisons with its thioanalog methylene blue.
Resolution2.21 Å
Binding residue
(original residue number in PDB)		V74 F78
Binding residue
(residue number reindexed from 1)		V57 F61
Annotation score1
Binding affinityMOAD: ic50=7uM
Enzymatic activity
Catalytic site (original residue number in PDB) L54 C58 C63 K66 Y197 E201 A465 H467 E472
Catalytic site (residue number reindexed from 1) L37 C41 C46 K49 Y180 E184 A448 H450 E455
Enzyme Commision number 1.8.1.7: glutathione-disulfide reductase.
Gene Ontology
Molecular Function
GO:0004362 glutathione-disulfide reductase (NADPH) activity
GO:0009055 electron transfer 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
GO:0050661 NADP 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:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix
GO:0005829 cytosol
GO:0009897 external side of plasma membrane
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3sqp, PDBe:3sqp, PDBj:3sqp
PDBsum3sqp
PubMed21888766
UniProtP00390|GSHR_HUMAN Glutathione reductase, mitochondrial (Gene Name=GSR)

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