Structure of PDB 8wa5 Chain A Binding Site BS03

Receptor Information
>8wa5 Chain A (length=987) Species: 9823 (Sus scrofa) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EMEINDHQLSVAELEQKYQTSATKGLSASLAAELLLRDGPNALRPPRGTP
EYVKFARQLAGGLQCLMWVAAAICLIAFAIQASEGDLTTDDNLYLALALI
AVVVVTGCFGYYQEFKSTNIIASFKNLVPQQATVIRDGDKFQINADQLVV
GDLVEMKGGDRVPADIRILQAQGCKVDNSSLTGESEPQTRSPECTHESPL
ETRNIAFFSTMCLEGTAQGLVVNTGDRTIIGRIASLASGVENEKTPIAIE
IEHFVDIIAGLAILFGATFFIVAMCIGYTFLRAMVFFMAIVVAYVPEGLL
ATVTVCLSLTAKRLASKNCVVKNLEAVETLGSTSVICSDKTGTLTQNRMT
VSHLWFDNHIHSADTTEDQSGQTFDQSSETWRALCRVLTLCNRAAFKSGQ
DAVPVPKRIVIGDASETALLKFSELTLGNAMGYRERFPKVCEIPFNSTNK
FQLSIHTLEDPRDPRHVLVMKGAPERVLERCSSILIKGQELPLDEQWREA
FQTAYLSLGGLGERVLGFCQLYLSEKDYPPGYAFDVEAMNFPTSGLCFAG
LVSMIDPPRATVPDAVLKCRTAGIRVIMVTGDHPITAKAIAASVGIISEG
SETVEDIAARLRVPVDQVNRKDARACVINGMQLKDMDPSELVEALRTHPE
MVFARTSPQQKLVIVESCQRLGAIVAVTGDGVNDSPALKKADIGVAMGIA
GSDAAKNAADMILLDDNFASIVTGVEQGRLIFDNLKKSIAYTLTKNIPEL
TPWLIYITVSVPLPLGCITILFIELCTDIFPSVSLAYEKAESDIMHLRPR
NPKRDRLVNEPLAAYSYFQIGAIQSFAGFTDYFTAMAQEGWFPLLCVGLR
PQWENHHLQDLQDSYGQEWTFGQRLYQQYTCYTVFFISIQMCQIADVLIR
KTRRLSAFQQGFFRNRILVIAIVFQVCIGCFLCYCPGMPNIFNFMPIRFQ
WWLVPMPFSLLIFVYDEIRKLGVRCCPGSWWDQELYY
Ligand information
Ligand IDCLR
InChIInChI=1S/C27H46O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h9,18-19,21-25,28H,6-8,10-17H2,1-5H3/t19-,21+,22+,23-,24+,25+,26+,27-/m1/s1
InChIKeyHVYWMOMLDIMFJA-DPAQBDIFSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(C)CCCC(C)C1CCC2C1(CCC3C2CC=C4C3(CCC(C4)O)C)C
CACTVS 3.341CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C
ACDLabs 10.04OC4CCC3(C(=CCC2C1C(C(C(C)CCCC(C)C)CC1)(C)CCC23)C4)C
OpenEye OEToolkits 1.5.0CC(C)CCC[C@@H](C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)O)C)C
CACTVS 3.341CC(C)CCC[CH](C)[CH]1CC[CH]2[CH]3CC=C4C[CH](O)CC[C]4(C)[CH]3CC[C]12C
FormulaC27 H46 O
NameCHOLESTEROL
ChEMBLCHEMBL112570
DrugBankDB04540
ZINCZINC000003875383
PDB chain8wa5 Chain A Residue 1106 [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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PDB8wa5 Specific protonation of acidic residues confers K+ selectivity to the gastric proton pump.
Resolution2.51 Å
Binding residue
(original residue number in PDB)		E856 F864
Binding residue
(residue number reindexed from 1)		E810 F818
Annotation score1
Enzymatic activity
Enzyme Commision number 7.2.2.19: H(+)/K(+)-exchanging ATPase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0000287 magnesium ion binding
GO:0005215 transporter activity
GO:0005391 P-type sodium:potassium-exchanging transporter activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0008556 P-type potassium transmembrane transporter activity
GO:0008900 P-type potassium:proton transporter activity
GO:0016887 ATP hydrolysis activity
GO:0030955 potassium ion binding
GO:0046872 metal ion binding
Biological Process
GO:0006813 potassium ion transport
GO:0006883 intracellular sodium ion homeostasis
GO:0010248 establishment or maintenance of transmembrane electrochemical gradient
GO:0030007 intracellular potassium ion homeostasis
GO:0036376 sodium ion export across plasma membrane
GO:0071805 potassium ion transmembrane transport
GO:1902600 proton transmembrane transport
GO:1990573 potassium ion import across plasma membrane
Cellular Component
GO:0005886 plasma membrane
GO:0005889 potassium:proton exchanging ATPase complex
GO:0016020 membrane
GO:0016324 apical plasma membrane

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8wa5, PDBe:8wa5, PDBj:8wa5
PDBsum8wa5
PubMed38072058
UniProtP19156|ATP4A_PIG Potassium-transporting ATPase alpha chain 1 (Gene Name=ATP4A)

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