Structure of PDB 3spg Chain A Binding Site BS01

Receptor Information
>3spg Chain A (length=332) Species: 9031 (Gallus gallus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
CRNRFVKKNGQCNVEFTNMDDKPQRYIADMFTTCVDIRWRYMLLLFSLAF
LVSWLLFGLIFWLIALIHGDLENPGGDDTFKPCVLQVNGFVAAFLFSIET
QTTIGYGFRCVTEECPLAVFMVVVQSIVGCIIDSFMIGAIMAKMAAPKKR
AQTLLFSHNAVVAMRDGKLCLMWRVGNLRKSHIVEAHVRAQLIKPRITEE
GEYIPLDQIDIDVGFDKGLDRIFLVSPITILHEINEDSPLFGISRQDLET
DDFEIVVILEGMVEATAMTTQARSSYLASEILWGHRFEPVLFEEKNQYKV
DYSHFHKTYEVPSTPRCSAKDLVENKFLLSNS
Ligand information
Ligand IDPIO
InChIInChI=1S/C25H49O19P3/c1-3-5-7-9-11-13-18(26)39-15-17(41-19(27)14-12-10-8-6-4-2)16-40-47(37,38)44-23-20(28)21(29)24(42-45(31,32)33)25(22(23)30)43-46(34,35)36/h17,20-25,28-30H,3-16H2,1-2H3,(H,37,38)(H2,31,32,33)(H2,34,35,36)/t17-,20-,21+,22+,23-,24-,25-/m1/s1
InChIKeyXLNCEHRXXWQMPK-MJUMVPIBSA-N
SMILES
SoftwareSMILES
CACTVS 3.385CCCCCCCC(=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)CCCCCCC
CACTVS 3.385CCCCCCCC(=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)CCCCCCC
OpenEye OEToolkits 1.9.2CCCCCCCC(=O)OCC(COP(=O)(O)OC1C(C(C(C(C1O)OP(=O)(O)O)OP(=O)(O)O)O)O)OC(=O)CCCCCCC
OpenEye OEToolkits 1.9.2CCCCCCCC(=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)CCCCCCC
ACDLabs 12.01O=C(OCC(OC(=O)CCCCCCC)COP(=O)(O)OC1C(O)C(O)C(OP(=O)(O)O)C(OP(=O)(O)O)C1O)CCCCCCC
FormulaC25 H49 O19 P3
Name[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate;
dioctanoyl l-alpha-phosphatidyl-d-myo-inositol 4,5-diphosphate
ChEMBL
DrugBank
ZINCZINC000097972490
PDB chain3spg Chain A Residue 400 [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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PDB3spg Structural basis of PIP(2) activation of the classical inward rectifier K(+) channel Kir2.2.
Resolution2.613 Å
Binding residue
(original residue number in PDB)
R78 W79 R80 K183 K188 K189
Binding residue
(residue number reindexed from 1)
R38 W39 R40 K143 K148 K149
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005242 inward rectifier potassium channel activity
Biological Process
GO:0006813 potassium ion transport
Cellular Component
GO:0016020 membrane

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3spg, PDBe:3spg, PDBj:3spg
PDBsum3spg
PubMed21874019
UniProtF1NHE9|KCJ12_CHICK ATP-sensitive inward rectifier potassium channel 12 (Gene Name=KCNJ12)

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