Structure of PDB 4jir Chain A Binding Site BS01

Receptor Information
>4jir Chain A (length=316) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MASRLLLNNGAKMPILGLGTWKSPPGQVTEAVKVAIDVGYRHIDCAHVYQ
NENEVGVAIQEKLREQVVKREELFIVSKLWCTYHEKGLVKGACQKTLSDL
KLDYLDLYLIHWPTGFKPGKEFFPLDESGNVVPSDTNILDTWAAMEELVD
EGLVKAIGISNFNHLQVEMILNKPGLKYKPAVNQIECHPYLTQEKLIQYC
QSKGIVVTAYSPLGSPDRPWAKPEDPSLLEDPRIKAIAAKHNKTTAQVLI
RFPMQRNLVVIPKSVTPERIAENFKVFDFELSSQDMTTLLSYNRNWRVCA
LLSCTSHKDYPFHEEF
Ligand information
Ligand IDEPR
InChIInChI=1S/C15H13NO3S2/c1-10(7-11-5-3-2-4-6-11)8-12-14(19)16(9-13(17)18)15(20)21-12/h2-8H,9H2,1H3,(H,17,18)/b10-7+,12-8?
InChIKeyCHNUOJQWGUIOLD-KEBJEMEDSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6CC(=Cc1ccccc1)C=C2C(=O)N(C(=S)S2)CC(=O)O
CACTVS 3.370CC(=C\c1ccccc1)/C=C2/SC(=S)N(CC(O)=O)C2=O
OpenEye OEToolkits 1.7.6C/C(=C\c1ccccc1)/C=C2C(=O)N(C(=S)S2)CC(=O)O
ACDLabs 12.01S=C1S/C(C(=O)N1CC(=O)O)=C/C(=C/c2ccccc2)C
CACTVS 3.370CC(=Cc1ccccc1)C=C2SC(=S)N(CC(O)=O)C2=O
FormulaC15 H13 N O3 S2
Name{5-[(2E)-2-methyl-3-phenylprop-2-en-1-ylidene]-4-oxo-2-thioxo-1,3-thiazolidin-3-yl}acetic acid;
Epalrestat
ChEMBL
DrugBank
ZINC
PDB chain4jir Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4jir Inhibitor selectivity between aldo-keto reductase superfamily members AKR1B10 and AKR1B1: Role of Trp112 (Trp111).
Resolution2.0 Å
Binding residue
(original residue number in PDB)
W20 Y48 H110 F122 C298
Binding residue
(residue number reindexed from 1)
W21 Y49 H111 F123 C299
Annotation score1
Binding affinityMOAD: ic50=0.021uM
Enzymatic activity
Catalytic site (original residue number in PDB) D43 Y48 K77 H110
Catalytic site (residue number reindexed from 1) D44 Y49 K78 H111
Enzyme Commision number 1.1.1.21: aldose reductase.
1.1.1.300: NADP-retinol dehydrogenase.
1.1.1.372: D/L-glyceraldehyde reductase.
1.1.1.54: allyl-alcohol dehydrogenase.
Gene Ontology
Molecular Function
GO:0001758 retinal dehydrogenase activity
GO:0004032 aldose reductase (NADPH) activity
GO:0005515 protein binding
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0036130 prostaglandin H2 endoperoxidase reductase activity
GO:0043795 glyceraldehyde oxidoreductase activity
GO:0047655 allyl-alcohol dehydrogenase activity
GO:0047939 L-glucuronate reductase activity
GO:0047956 glycerol dehydrogenase (NADP+) activity
GO:0052650 all-trans-retinol dehydrogenase (NADP+) activity
Biological Process
GO:0001523 retinoid metabolic process
GO:0002070 epithelial cell maturation
GO:0003091 renal water homeostasis
GO:0005975 carbohydrate metabolic process
GO:0006629 lipid metabolic process
GO:0006693 prostaglandin metabolic process
GO:0006700 C21-steroid hormone biosynthetic process
GO:0019853 L-ascorbic acid biosynthetic process
GO:0035809 regulation of urine volume
GO:0042572 retinol metabolic process
GO:0043066 negative regulation of apoptotic process
GO:0044597 daunorubicin metabolic process
GO:0044598 doxorubicin metabolic process
GO:0046370 fructose biosynthetic process
GO:0071475 cellular hyperosmotic salinity response
GO:0072205 metanephric collecting duct development
Cellular Component
GO:0005615 extracellular space
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005829 cytosol
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:4jir, PDBe:4jir, PDBj:4jir
PDBsum4jir
PubMed24100137
UniProtP15121|ALDR_HUMAN Aldo-keto reductase family 1 member B1 (Gene Name=AKR1B1)

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