Structure of PDB 4dbs Chain B

Receptor sequence
>4dbsB (length=318) Species: 9606 (Homo sapiens) [Search protein sequence]
QCVKLNDGHFMPVLGFGTYAPPEVPRSKALEVTKLAIEAGFRHIDSAHLY
NNEEQVGLAIRSKIADGSVKREDIFYTSKLWSTFHRPELVRPALENSLKK
AQLDYVDLYLIHSPMSLKPGEELSPTDENGKVIFDIVDLCTTWEAMEKCK
DAGLAKSIGVSNFNRRQLEMILNKPGLKYKPVCNQVECHPYFNRSKLLDF
CKSKDIVLVAYSALGSQRDKRWVDPNSPVLLEDPVLCALAKKHKRTPALI
ALRYQLQRGVVVLAKSYNEQRIRQNVQVFEFQLTAEDMKAIDGLDRNLHY
FNSDSFASHPNYPYSDEY
3D structure
PDB4dbs Crystal structures of AKR1C3 containing an N-(aryl)amino-benzoate inhibitor and a bifunctional AKR1C3 inhibitor and androgen receptor antagonist. Therapeutic leads for castrate resistant prostate cancer.
ChainB
Resolution1.852 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) D45 Y50 K79 H112
Enzyme Commision number 1.1.1.-
1.1.1.188: prostaglandin-F synthase.
1.1.1.210: 3beta-(or 20alpha)-hydroxysteroid dehydrogenase.
1.1.1.239: 3alpha-(17beta)-hydroxysteroid dehydrogenase (NAD(+)).
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.
1.1.1.64: testosterone 17beta-dehydrogenase (NADP(+)).
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 Y24 D50 Y55 H117 N167 Q190 Y216 S217 L219 S221 Q222 L236 A253 L268 K270 S271 R276 Q279 N280 G17 Y19 D45 Y50 H112 N162 Q185 Y211 S212 L214 S216 Q217 L231 A248 L263 K265 S266 R271 Q274 N275
BS02 0HV B Y55 H117 N167 Y216 W227 F306 Y50 H112 N162 Y211 W222 F301 MOAD: ic50=0.08uM
BindingDB: IC50=80nM
BS03 0HV B L54 W86 S118 L128 S129 W227 F311 L49 W81 S113 L123 S124 W222 F306 MOAD: ic50=0.08uM
BindingDB: IC50=80nM
Gene Ontology
Molecular Function
GO:0001758 retinal dehydrogenase activity
GO:0004032 aldose reductase (NADPH) activity
GO:0004033 aldo-keto reductase (NADPH) activity
GO:0004303 estradiol 17-beta-dehydrogenase [NAD(P)+] activity
GO:0004745 all-trans-retinol dehydrogenase (NAD+) 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:0032052 bile acid binding
GO:0036130 prostaglandin H2 endoperoxidase reductase activity
GO:0036131 prostaglandin D2 11-ketoreductase activity
GO:0045550 geranylgeranyl reductase activity
GO:0045703 ketoreductase activity
GO:0047017 prostaglandin F synthase activity
GO:0047020 15-hydroxyprostaglandin-D dehydrogenase (NADP+) activity
GO:0047023 androsterone dehydrogenase activity
GO:0047024 5alpha-androstane-3beta,17beta-diol dehydrogenase activity
GO:0047035 testosterone dehydrogenase (NAD+) 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:0047787 Delta4-3-oxosteroid 5beta-reductase activity
GO:0052650 all-trans-retinol dehydrogenase (NADP+) activity
Biological Process
GO:0001523 retinoid metabolic process
GO:0006629 lipid metabolic process
GO:0006693 prostaglandin metabolic process
GO:0007186 G protein-coupled receptor signaling pathway
GO:0007584 response to nutrient
GO:0008202 steroid metabolic process
GO:0008284 positive regulation of cell population proliferation
GO:0008584 male gonad development
GO:0009267 cellular response to starvation
GO:0016488 farnesol catabolic process
GO:0019371 cyclooxygenase pathway
GO:0030216 keratinocyte differentiation
GO:0042448 progesterone metabolic process
GO:0042572 retinol metabolic process
GO:0042574 retinal metabolic process
GO:0043170 macromolecule metabolic process
GO:0044597 daunorubicin metabolic process
GO:0044598 doxorubicin metabolic process
GO:0048385 regulation of retinoic acid receptor signaling pathway
GO:0051897 positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction
GO:0061370 testosterone biosynthetic process
GO:0070293 renal absorption
GO:0071277 cellular response to calcium ion
GO:0071379 cellular response to prostaglandin stimulus
GO:0071384 cellular response to corticosteroid stimulus
GO:0071395 cellular response to jasmonic acid stimulus
GO:0071799 cellular response to prostaglandin D stimulus
GO:1900053 negative regulation of retinoic acid biosynthetic process
GO:2000224 regulation of testosterone biosynthetic process
GO:2000353 positive regulation of endothelial cell apoptotic process
GO:2000379 positive regulation of reactive oxygen species metabolic process
Cellular Component
GO:0005634 nucleus
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:4dbs, PDBe:4dbs, PDBj:4dbs
PDBsum4dbs
PubMed22507964
UniProtP42330|AK1C3_HUMAN Aldo-keto reductase family 1 member C3 (Gene Name=AKR1C3)

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