Structure of PDB 1mrq Chain A Binding Site BS01

Receptor Information
>1mrq Chain A (length=323) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QDSKYQCVKLNDGHFMPVLGFGTYAPAEVPKSKALEATKLAIEAGFRHID
SAHLYNNEEQVGLAIRSKIADGSVKREDIFYTSKLWCNSHRPELVRPALE
RSLKNLQLDYVDLYLIHFPVSVKPGEEVIPKDENGKILFDTVDLCATWEA
VEKCKDAGLAKSIGVSNFNRRQLEMILNKPGLKYKPVCNQVECHPYFNQR
KLLDFCKSKDIVLVAYSALGSHREEPWVDPNSPVLLEDPVLCALAKKHKR
TPALIALRYQLQRGVVVLAKSYNEQRIRQNVQVFEFQLTSEEMKAIDGLN
RNVRYLTLDIFAGPPNYPFSDEY
Ligand information
Ligand IDNAP
InChIInChI=1S/C21H28N7O17P3/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/h1-4,7-8,10-11,13-16,20-21,29-31H,5-6H2,(H7-,22,23,24,25,32,33,34,35,36,37,38,39)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyXJLXINKUBYWONI-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1cc(c[n+](c1)C2C(C(C(O2)COP(=O)([O-])OP(=O)(O)OCC3C(C(C(O3)n4cnc5c4ncnc5N)OP(=O)(O)O)O)O)O)C(=O)N
CACTVS 3.341NC(=O)c1ccc[n+](c1)[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)c1ccc[n+](c1)[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 1.5.0c1cc(c[n+](c1)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)([O-])O[P@](=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)n4cnc5c4ncnc5N)OP(=O)(O)O)O)O)O)C(=O)N
FormulaC21 H28 N7 O17 P3
NameNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE;
2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE
ChEMBLCHEMBL295069
DrugBankDB03461
ZINC
PDB chain1mrq Chain A Residue 500 [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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PDB1mrq Human 20alpha-hydroxysteroid dehydrogenase: crystallographic and site-directed mutagenesis studies lead to the identification of an alternative binding site for C21-steroids.
Resolution1.59 Å
Binding residue
(original residue number in PDB)		G22 T23 Y24 D50 Y55 H117 Q190 Y216 S217 L219 S221 H222 L236 A253 L268 K270 S271 R276 Q279 N280
Binding residue
(residue number reindexed from 1)		G22 T23 Y24 D50 Y55 H117 Q190 Y216 S217 L219 S221 H222 L236 A253 L268 K270 S271 R276 Q279 N280
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D50 Y55 K84 H117
Catalytic site (residue number reindexed from 1) D50 Y55 K84 H117
Enzyme Commision number 1.1.1.-
1.1.1.112: indanol dehydrogenase.
1.1.1.149: 20alpha-hydroxysteroid dehydrogenase.
1.1.1.209: 3(or 17)alpha-hydroxysteroid dehydrogenase.
1.1.1.210: 3beta-(or 20alpha)-hydroxysteroid dehydrogenase.
1.1.1.357: 3alpha-hydroxysteroid 3-dehydrogenase.
1.1.1.51: 3(or 17)beta-hydroxysteroid dehydrogenase.
1.1.1.53: 3alpha(or 20beta)-hydroxysteroid dehydrogenase.
1.1.1.62: 17beta-estradiol 17-dehydrogenase.
1.3.1.20: trans-1,2-dihydrobenzene-1,2-diol dehydrogenase.
Gene Ontology
Molecular Function
GO:0004032 aldose reductase (NADPH) activity
GO:0004033 aldo-keto reductase (NADPH) activity
GO:0004303 estradiol 17-beta-dehydrogenase [NAD(P)+] activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0016655 oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor
GO:0030283 testosterone dehydrogenase [NAD(P)+] activity
GO:0031406 carboxylic acid binding
GO:0032052 bile acid binding
GO:0033703 3beta-hydroxy-5beta-steroid dehydrogenase activity
GO:0033764 steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0047006 17-alpha,20-alpha-dihydroxypregn-4-en-3-one dehydrogenase activity
GO:0047023 androsterone dehydrogenase activity
GO:0047024 5alpha-androstane-3beta,17beta-diol dehydrogenase activity
GO:0047042 androsterone dehydrogenase (B-specific) activity
GO:0047044 androstan-3-alpha,17-beta-diol dehydrogenase activity
GO:0047045 testosterone 17-beta-dehydrogenase (NADP+) activity
GO:0047086 ketosteroid monooxygenase activity
GO:0047115 trans-1,2-dihydrobenzene-1,2-diol dehydrogenase activity
GO:0047718 indanol dehydrogenase activity
Biological Process
GO:0001523 retinoid metabolic process
GO:0006629 lipid metabolic process
GO:0006693 prostaglandin metabolic process
GO:0006805 xenobiotic metabolic process
GO:0007586 digestion
GO:0008206 bile acid metabolic process
GO:0015721 bile acid and bile salt transport
GO:0030299 intestinal cholesterol absorption
GO:0030855 epithelial cell differentiation
GO:0042448 progesterone metabolic process
GO:0042574 retinal metabolic process
GO:0042632 cholesterol homeostasis
GO:0044597 daunorubicin metabolic process
GO:0044598 doxorubicin metabolic process
GO:0046683 response to organophosphorus
GO:0071395 cellular response to jasmonic acid stimulus
GO:2000379 positive regulation of reactive oxygen species metabolic process
Cellular Component
GO:0005737 cytoplasm
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:1mrq, PDBe:1mrq, PDBj:1mrq
PDBsum1mrq
PubMed12899831
UniProtQ04828|AK1C1_HUMAN Aldo-keto reductase family 1 member C1 (Gene Name=AKR1C1)

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