Structure of PDB 2p5n Chain B

Receptor sequence
>2p5nB (length=323) Species: 10090 (Mus musculus) [Search protein sequence]
MNSKCHCVILNDGNFIPVLGFGTALPLECPKSKAKELTKIAIDAGFHHFD
SASVYNTEDHVGEAIRSKIADGTVRREDIFYTSKVWCTSLHPELVRASLE
RSLQKLQFDYVDLYLIHYPMALKPGEENFPVDEHGKLIFDRVDLCATWEA
MEKCKDAGLTKSIGVSNFNYRQLEMILNKPGLKYKPVCNQVECHPYLNQM
KLLDFCKSKDIVLVAYGVLGTQRYGGWVDQNSPVLLDEPVLGSMAKKYNR
TPALIALRYQLQRGIVVLNTSLKEERIKENMQVFEFQLSSEDMKVLDGLN
RNMRYIPAAIFKGHPNWPFLDEY
3D structure
PDB2p5n Structure of 3(17)alpha-hydroxysteroid dehydrogenase (AKR1C21) holoenzyme from an orthorhombic crystal form: an insight into the bifunctionality of the enzyme.
ChainB
Resolution1.8 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) D50 Y55 K84 H117
Enzyme Commision number 1.1.1.-
1.1.1.209: 3(or 17)alpha-hydroxysteroid 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 NDP B G22 T23 A24 D50 Y55 Q190 Y216 G217 L219 T221 Q222 Y224 A253 L268 T270 S271 L272 K273 R276 E279 N280 G22 T23 A24 D50 Y55 Q190 Y216 G217 L219 T221 Q222 Y224 A253 L268 T270 S271 L272 K273 R276 E279 N280
Gene Ontology
Molecular Function
GO:0004033 aldo-keto reductase (NADPH) activity
GO:0005496 steroid binding
GO:0016491 oxidoreductase activity
GO:0033764 steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0047023 androsterone dehydrogenase activity
GO:0047024 5alpha-androstane-3beta,17beta-diol dehydrogenase activity
GO:0070401 NADP+ binding
GO:0070402 NADPH binding
GO:0072555 17-beta-ketosteroid reductase (NADPH) activity
GO:0072582 17-beta-hydroxysteroid dehydrogenase (NADP+) activity
GO:1902121 lithocholic acid binding
Biological Process
GO:0006694 steroid biosynthetic process
GO:0008202 steroid metabolic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2p5n, PDBe:2p5n, PDBj:2p5n
PDBsum2p5n
PubMed17909281
UniProtQ91WR5|AK1CL_MOUSE Aldo-keto reductase family 1 member C21 (Gene Name=Akr1c21)

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