Structure of PDB 4qk4 Chain A Binding Site BS02

Receptor Information
>4qk4 Chain A (length=244) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SGGPNVPELILQLLQLEPDEDQVRARILGSLQEPTKSRPDQPAAFGLLCR
MADQTFISIVDWARRCMVFKELEVADQMTLLQNCWSELLVFDHIYRQVQH
GKEGSILLVTGQEVELTTVATQAGSLLHSLVLRAQELVLQLLALQLDRQE
FVCLKFIILFSLDLKFLNNHILVKDAQEKANAALLDYTLCHYPHSGDKFQ
QLLLCLVEVRALSMQAKEYLYHKHLGNEMPRNNLLIEMLQAKQT
Ligand information
Ligand IDPIK
InChIInChI=1S/C41H81O19P3/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-34(42)55-31-33(57-35(43)30-28-26-24-22-20-18-16-14-12-10-8-6-4-2)32-56-63(53,54)60-39-36(44)37(45)40(58-61(47,48)49)41(38(39)46)59-62(50,51)52/h33,36-41,44-46H,3-32H2,1-2H3,(H,53,54)(H2,47,48,49)(H2,50,51,52)/t33-,36+,37-,38-,39+,40+,41+/m0/s1
InChIKeyHKWJHKSHEWVOSS-MVLQGUJPSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6CCCCCCCCCCCCCCCC(=O)OCC(COP(=O)(O)OC1C(C(C(C(C1O)OP(=O)(O)O)OP(=O)(O)O)O)O)OC(=O)CCCCCCCCCCCCCCC
OpenEye OEToolkits 1.7.6CCCCCCCCCCCCCCCC(=O)OC[C@@H](COP(=O)(O)O[C@@H]1[C@@H]([C@@H]([C@H]([C@@H]([C@H]1O)OP(=O)(O)O)OP(=O)(O)O)O)O)OC(=O)CCCCCCCCCCCCCCC
ACDLabs 12.01O=C(OCC(OC(=O)CCCCCCCCCCCCCCC)COP(=O)(O)OC1C(O)C(O)C(OP(=O)(O)O)C(OP(=O)(O)O)C1O)CCCCCCCCCCCCCCC
CACTVS 3.385CCCCCCCCCCCCCCCC(=O)OC[C@@H](CO[P](O)(=O)O[C@@H]1[C@H](O)[C@H](O)[C@@H](O[P](O)(O)=O)[C@H](O[P](O)(O)=O)[C@H]1O)OC(=O)CCCCCCCCCCCCCCC
CACTVS 3.385CCCCCCCCCCCCCCCC(=O)OC[CH](CO[P](O)(=O)O[CH]1[CH](O)[CH](O)[CH](O[P](O)(O)=O)[CH](O[P](O)(O)=O)[CH]1O)OC(=O)CCCCCCCCCCCCCCC
FormulaC41 H81 O19 P3
Name(2S)-3-{[(R)-hydroxy{[(1R,2R,3S,4R,5R,6S)-2,3,6-trihydroxy-4,5-bis(phosphonooxy)cyclohexyl]oxy}phosphoryl]oxy}propane-1,2-diyl dihexadecanoate;
PI(4,5)P2 dipalmitoyl (16:0,16:0)
ChEMBL
DrugBank
ZINCZINC000150339449
PDB chain4qk4 Chain A Residue 501 [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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PDB4qk4 The signaling phospholipid PIP3 creates a new interaction surface on the nuclear receptor SF-1.
Resolution2.81 Å
Binding residue
(original residue number in PDB)
F262 L265 C266 S303 L306 V307 L344 L429 A433 Y436 L437 H439
Binding residue
(residue number reindexed from 1)
F45 L48 C49 S86 L89 V90 L127 L212 A216 Y219 L220 H222
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=6.60,Kd=250nM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0004879 nuclear receptor activity

View graph for
Molecular Function
External links
PDB RCSB:4qk4, PDBe:4qk4, PDBj:4qk4
PDBsum4qk4
PubMed25288771
UniProtQ13285|STF1_HUMAN Steroidogenic factor 1 (Gene Name=NR5A1)

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