Structure of PDB 4l1w Chain B

Receptor sequence
>4l1wB (length=325) Species: 9606 (Homo sapiens) [Search protein sequence]
SVDDSKYQCVKLNDGHFMPVLGFGTYAPAEVPKSKALEAVKLAIEAGFHH
IDSAHVYNNEEQVGLAIRSKIADGSVKREDIFYTSKLWSNSHRPELVRPA
LERSLKNLQLDYVDLYLIHFPVSVKPGEEVIPKDENGKILFDTVDLCATW
EAMEKCKDAGLAKSIGVSNFNHRLLEMILNKPGLKYKPVCNQVECHPYFN
QRKLLDFCKSKDIVLVAYSALGSHREEPWVDPNSPVLLEDPVLCALAKKH
KRTPALIALRYQLQRGVVVLAKSYNEQRIRQNVQVFEFQLTSEEMKAIDG
LNRNVRYLTLDIFAGPPNYPFSDEY
3D structure
PDB4l1w Human 3-alpha hydroxysteroid dehydrogenase type 3 (3 alpha-HSD3): The V54L mutation restricting the steroid alternative binding and enhancing the 20 alpha-HSD activity
ChainB
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D50 Y55 K84 H117
Catalytic site (residue number reindexed from 1) D52 Y57 K86 H119
Enzyme Commision number 1.-.-.-
1.1.1.112: indanol dehydrogenase.
1.1.1.209: 3(or 17)alpha-hydroxysteroid dehydrogenase.
1.1.1.357: 3alpha-hydroxysteroid 3-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.
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 NAP B G22 T23 Y24 D50 Y55 H117 Q190 Y216 S217 L219 S221 A253 L268 K270 S271 R276 Q279 N280 G24 T25 Y26 D52 Y57 H119 Q192 Y218 S219 L221 S223 A255 L270 K272 S273 R278 Q281 N282
BS02 STR B Y24 I129 W227 L308 Y26 I131 W229 L310
Gene Ontology
Molecular Function
GO:0004032 aldose reductase (NADPH) activity
GO:0004303 estradiol 17-beta-dehydrogenase [NAD(P)+] activity
GO:0016491 oxidoreductase activity
GO:0016655 oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor
GO:0031406 carboxylic acid binding
GO:0032052 bile acid binding
GO:0047023 androsterone dehydrogenase activity
GO:0047044 androstan-3-alpha,17-beta-diol dehydrogenase 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:0006693 prostaglandin metabolic process
GO:0007186 G protein-coupled receptor signaling pathway
GO:0007586 digestion
GO:0008202 steroid metabolic process
GO:0008284 positive regulation of cell population proliferation
GO:0030855 epithelial cell differentiation
GO:0042448 progesterone metabolic process
GO:0044597 daunorubicin metabolic process
GO:0044598 doxorubicin metabolic process
GO:0051897 positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction
GO:0071395 cellular response to jasmonic acid stimulus
GO:0071799 cellular response to prostaglandin D stimulus
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4l1w, PDBe:4l1w, PDBj:4l1w
PDBsum4l1w
PubMed24434280
UniProtP52895|AK1C2_HUMAN Aldo-keto reductase family 1 member C2 (Gene Name=AKR1C2)

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