Structure of PDB 3sqp Chain B

Receptor sequence
>3sqpB (length=461) Species: 9606 (Homo sapiens) [Search protein sequence]
VASYDYLVIGGGSGGLASARRAAELGARAAVVESHKLGGTCVNVGCVPKK
VMWNTAVHSEFMHDHADYGFPSCEGKFNWRVIKEKRDAYVSRLNAIYQNN
LTKSHIEIIRGHAAFTSDPKPTIEVSGKKYTAPHILIATGGMPSTPHESQ
IPGASLGITSDGFFQLEELPGRSVIVGAGYIAVEMAGILSALGSKTSLMI
RHDKVLRSFDSMISTNCTEELENAGVEVLKFSQVKEVKKTLSGLEVSMVT
AVPGRLPVMTMIPDVDCLLWAIGRVPNTKDLSLNKLGIQTDDKGHIIVDE
FQNTNVKGIYAVGDVCGKALLTPVAIAAGRKLAHRLFEYKEDSKLDYNNI
PTVVFSHPPIGTVGLTEDEAIHKYGIENVKTYSTSFTPMYHAVTKRKTKC
VMKMVCANKEEKVVGIHMQGLGCDEMLQGFAVAVKMGATKADFDNTVAIH
PTSSEELVTLR
3D structure
PDB3sqp The bacterial redox signaller pyocyanin as an antiplasmodial agent: comparisons with its thioanalog methylene blue.
ChainB
Resolution2.21 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 3J8 B V74 H75 F78 V57 H58 F61 MOAD: ic50=7uM
BS02 FAD B G27 G29 S30 G31 E50 S51 T57 C58 G62 C63 K66 H129 A130 T156 Y197 R291 G330 D331 L337 L338 T339 G10 G12 S13 G14 E33 S34 T40 C41 G45 C46 K49 H112 A113 T139 Y180 R274 G313 D314 L320 L321 T322
BS03 3J8 B V74 F78 V57 F61 MOAD: ic50=7uM
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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