Structure of PDB 1ef3 Chain B Binding Site BS02

Receptor Information
>1ef3 Chain B (length=315) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ASRLLLNNGAKMPILGLGTWKSPPGQVTEAVKVAIDVGYRHIDCAHVYQN
ENEVGVAIQEKLREQVVKREELFIVSKLWCTYHEKGLVKGACQKTLSDLK
LDYLDLYLIHWPTGFKPGKEFFPLDESGNVVPSDTNILDTWAAMEELVDE
GLVKAIGISNFNHLQVEMILNKPGLKYKPAVNQIECHPYLTQEKLIQYCQ
SKGIVVTAYSPLGSPDRPWAKPEDPSLLEDPRIKAIAAKHNKTTAQVLIR
FPMQRNLVVIPKSVTPERIAENFKVFDFELSSQDMTTLLSYNRNWRVCAL
LSCTSHKDYPFHEEF
Ligand information
Ligand IDFID
InChIInChI=1S/C12H10FN3O4/c13-5-1-2-7-6(3-5)12(4-8(20-7)9(14)17)10(18)15-11(19)16-12/h1-3,8H,4H2,(H2,14,17)(H2,15,16,18,19)/t8-,12-/m0/s1
InChIKeyWAAPEIZFCHNLKK-UFBFGSQYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04Fc3ccc2OC(C(=O)N)CC1(C(=O)NC(=O)N1)c2c3
OpenEye OEToolkits 1.5.0c1cc2c(cc1F)[C@@]3(C[C@H](O2)C(=O)N)C(=O)NC(=O)N3
OpenEye OEToolkits 1.5.0c1cc2c(cc1F)C3(CC(O2)C(=O)N)C(=O)NC(=O)N3
CACTVS 3.341NC(=O)[CH]1C[C]2(NC(=O)NC2=O)c3cc(F)ccc3O1
CACTVS 3.341NC(=O)[C@@H]1C[C@]2(NC(=O)NC2=O)c3cc(F)ccc3O1
FormulaC12 H10 F N3 O4
Name(2S,4S)-2-AMINOFORMYL-6-FLUORO-SPIRO[CHROMAN-4,4'-IMIDAZOLIDINE]-2',5'-DIONE;
FIDARESTAT
ChEMBLCHEMBL84446
DrugBankDB02021
ZINCZINC000003789766
PDB chain1ef3 Chain B Residue 350 [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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PDB1ef3 A potent aldose reductase inhibitor, (2S,4S)-6-fluoro-2', 5'-dioxospiro[chroman-4,4'-imidazolidine]-2-carboxamide (Fidarestat): its absolute configuration and interactions with the aldose reductase by X-ray crystallography.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		W20 V47 Y48 W79 H110 W111 W219 C298 L300
Binding residue
(residue number reindexed from 1)		W20 V47 Y48 W79 H110 W111 W219 C298 L300
Annotation score1
Binding affinityBindingDB: IC50=35nM,Kd=16nM
Enzymatic activity
Catalytic site (original residue number in PDB) D43 Y48 K77 H110
Catalytic site (residue number reindexed from 1) D43 Y48 K77 H110
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:1ef3, PDBe:1ef3, PDBj:1ef3
PDBsum1ef3
PubMed10882376
UniProtP15121|ALDR_HUMAN Aldo-keto reductase family 1 member B1 (Gene Name=AKR1B1)

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