Structure of PDB 3klm Chain X Binding Site BS01

Receptor Information
>3klm Chain X (length=277) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ARTVVLITGCSSGIGLHLAVRLASDPSQSFKVYATLRDLKTQGRLWEAAR
ALACPPGSLETLQLDVRDSKSVAAARERVTEGRVDVLVCNAGLGLLGPLE
ALGEDAVASVLDVNVVGTVRMLQAFLPDMKRRGSGRVLVTGSVGGLMGLP
FNDVYCASKFALEGLCESLAVLLLPFGVHLSLIECGPVHTGSPEEVLDRT
DIHTFHRFYQYLAHSKQVFREAAQNPEEVAEVFLTALRAPKPTLRYFTTE
RFLPLLRMRLDDPSGSNYVTAMHREVF
Ligand information
Ligand IDDHT
InChIInChI=1S/C19H30O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h12,14-17,21H,3-11H2,1-2H3/t12-,14-,15-,16-,17-,18-,19-/m0/s1
InChIKeyNVKAWKQGWWIWPM-ABEVXSGRSA-N
SMILES
SoftwareSMILES
CACTVS 3.341C[C@]12CC[C@H]3[C@@H](CC[C@H]4CC(=O)CC[C@]34C)[C@@H]1CC[C@@H]2O
OpenEye OEToolkits 1.5.0C[C@]12CCC(=O)C[C@@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4O)C
CACTVS 3.341C[C]12CC[CH]3[CH](CC[CH]4CC(=O)CC[C]34C)[CH]1CC[CH]2O
OpenEye OEToolkits 1.5.0CC12CCC(=O)CC1CCC3C2CCC4(C3CCC4O)C
ACDLabs 10.04O=C2CC1CCC3C(C1(C)CC2)CCC4(C3CCC4O)C
FormulaC19 H30 O2
Name5-ALPHA-DIHYDROTESTOSTERONE
ChEMBLCHEMBL27769
DrugBankDB02901
ZINCZINC000003814360
PDB chain3klm Chain X Residue 732 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3klm 17beta-hydroxysteroid dehydrogenase type 1 stimulates breast cancer by dihydrotestosterone inactivation in addition to estradiol production.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		V143 P187 H221 S222 V225
Binding residue
(residue number reindexed from 1)		V143 P187 H214 S215 V218
Annotation score2
Enzymatic activity
Enzyme Commision number 1.1.1.51: 3(or 17)beta-hydroxysteroid dehydrogenase.
1.1.1.62: 17beta-estradiol 17-dehydrogenase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004303 estradiol 17-beta-dehydrogenase [NAD(P)+] activity
GO:0005496 steroid binding
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0030283 testosterone dehydrogenase [NAD(P)+] activity
GO:0036094 small molecule binding
GO:0042803 protein homodimerization activity
GO:0047035 testosterone dehydrogenase (NAD+) activity
GO:0047045 testosterone 17-beta-dehydrogenase (NADP+) activity
GO:0050661 NADP binding
GO:0070401 NADP+ binding
GO:0072582 17-beta-hydroxysteroid dehydrogenase (NADP+) activity
GO:1903924 estradiol binding
Biological Process
GO:0006629 lipid metabolic process
GO:0006694 steroid biosynthetic process
GO:0006703 estrogen biosynthetic process
GO:0007040 lysosome organization
GO:0007519 skeletal muscle tissue development
GO:0008210 estrogen metabolic process
GO:0010467 gene expression
GO:0060348 bone development
GO:0060612 adipose tissue development
GO:0061370 testosterone biosynthetic process
GO:0071248 cellular response to metal ion
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:3klm, PDBe:3klm, PDBj:3klm
PDBsum3klm
PubMed20172961
UniProtP14061|DHB1_HUMAN 17-beta-hydroxysteroid dehydrogenase type 1 (Gene Name=HSD17B1)

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