Structure of PDB 8t44 Chain B Binding Site BS01

Receptor Information
>8t44 Chain B (length=511) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DPLQQTGQLFGGLVRDIRRRYPYYLSDITDAFSPQVLAAVIFIYFAALSP
AITFGGLLGEKTRNQMGVSELLISTAVQGILFALLGAQPLLVVGFSGPLL
VFEEAFFSFCETNGLEYIVGRVWIGFWLILLVVLVVAFEGSFLVRFISRY
TQEIFSFLISLIFIYETFSKLIKIFQDHPLQKTYNYNVLMVPKPQGPLPN
TALLSLVLMAGTFFFAMMLRKFKNSSYFPGKLRRVIGDFGVPISILIMVL
VDFFIQDTYTQKLSVPDGFKVSNSSARGWVIHPLGLRSEFPIWMMFASAL
PALLVFILIFLESQITTLIVSKPERKMVKGSGFHLDLLLVVGMGGVAALF
GMPWLSATTVRSVTHANALTVMGQIQEVKEQRISGLLVAVLVGLSILMEP
ILSRIPLAVLFGIFLYMGVTSLSGIQLFDRILLLFKPPKYHPDVPYVKRV
KTWRMHLFTGIQIICLAVLWVVKSTPASLALPFVLILTVPLRRVLLPLIF
RNVELQCLDAD
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 chain8t44 Chain A Residue 1002 [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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PDB8t44 Cryo-EM structure of the band 3 anion transport protein
Resolution3.12 Å
Binding residue
(original residue number in PDB)		P598 G599 R602
Binding residue
(residue number reindexed from 1)		P229 G230 R233
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005452 solute:inorganic anion antiporter activity
GO:0005515 protein binding
GO:0008509 monoatomic anion transmembrane transporter activity
GO:0015075 monoatomic ion transmembrane transporter activity
GO:0015106 bicarbonate transmembrane transporter activity
GO:0015108 chloride transmembrane transporter activity
GO:0015297 antiporter activity
GO:0030492 hemoglobin binding
GO:0030506 ankyrin binding
GO:0042803 protein homodimerization activity
GO:0043495 protein-membrane adaptor activity
GO:0140900 chloride:bicarbonate antiporter activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0006820 monoatomic anion transport
GO:0006821 chloride transport
GO:0006873 intracellular monoatomic ion homeostasis
GO:0007596 blood coagulation
GO:0015701 bicarbonate transport
GO:0017121 plasma membrane phospholipid scrambling
GO:0035811 negative regulation of urine volume
GO:0045852 pH elevation
GO:0048821 erythrocyte development
GO:0051453 regulation of intracellular pH
GO:0055085 transmembrane transport
GO:0072659 protein localization to plasma membrane
GO:0098660 inorganic ion transmembrane transport
GO:1902476 chloride transmembrane transport
GO:1904539 negative regulation of glycolytic process through fructose-6-phosphate
Cellular Component
GO:0005886 plasma membrane
GO:0009898 cytoplasmic side of plasma membrane
GO:0016020 membrane
GO:0016323 basolateral plasma membrane
GO:0030018 Z disc
GO:0030863 cortical cytoskeleton
GO:0070062 extracellular exosome
GO:0072562 blood microparticle
GO:0170014 ankyrin-1 complex

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8t44, PDBe:8t44, PDBj:8t44
PDBsum8t44
PubMed
UniProtP02730|B3AT_HUMAN Band 3 anion transport protein (Gene Name=SLC4A1)

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