Structure of PDB 8ppb Chain A Binding Site BS01

Receptor Information
>8ppb Chain A (length=276) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GSHMSWVQLAGSFKAAGTSGLILKRCSEPERYCLARLMADALRGCVPAFH
GVVERDGESYLQLQDLLDGFDGPCVLDCKMGVRTYLEEELTKARERPKLR
KDMYKKMLAVDPEAPTEEEHAQRAVTKPRYMQWREGISSSTTLGFRIEGI
KKADGSCSTDFKTTRSREQVLRVFEEFVQGDEEVLRRYLNRLQQIRDTLE
VSEFFRRHEVIGSSLLFVHDHCHRAGVWLIDFGKTTPLPDGQILDHRRPW
EEGNREDGYLLGLDNLIGILASLAER
Ligand information
Ligand ID3I2
InChIInChI=1S/C6H15O14P3/c7-2-1-3(18-21(9,10)11)4(8)6(20-23(15,16)17)5(2)19-22(12,13)14/h2-8H,1H2,(H2,9,10,11)(H2,12,13,14)(H2,15,16,17)/t2-,3-,4+,5-,6-/m1/s1
InChIKeyGHYKQXTYUPPQMF-VFUOTHLCSA-N
SMILES
SoftwareSMILES
CACTVS 3.385O[CH]1C[CH](O[P](O)(O)=O)[CH](O)[CH](O[P](O)(O)=O)[CH]1O[P](O)(O)=O
CACTVS 3.385O[C@@H]1C[C@@H](O[P](O)(O)=O)[C@H](O)[C@@H](O[P](O)(O)=O)[C@@H]1O[P](O)(O)=O
OpenEye OEToolkits 2.0.7C1C(C(C(C(C1OP(=O)(O)O)O)OP(=O)(O)O)OP(=O)(O)O)O
OpenEye OEToolkits 2.0.7C1[C@H]([C@H]([C@@H]([C@H]([C@@H]1OP(=O)(O)O)O)OP(=O)(O)O)OP(=O)(O)O)O
FormulaC6 H15 O14 P3
NameD-3-deoxy-myo-inositol 1,4,6-trisphosphate;
[(1R,2S,3R,4R,5R)-2,5-bis(oxidanyl)-3,4-diphosphonooxy-cyclohexyl] dihydrogen phosphate
ChEMBL
DrugBank
ZINC
PDB chain8ppb Chain A Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB8ppb Substrate promiscuity of inositol 1,4,5-trisphosphate kinase driven by structurally-modified ligands and active site plasticity
Resolution1.8 Å
Binding residue
(original residue number in PDB)
R285 M288 K291 K312 Y315 R319 K419
Binding residue
(residue number reindexed from 1)
R100 M103 K106 K127 Y130 R134 K234
Annotation score2
Enzymatic activity
Enzyme Commision number 2.7.1.127: inositol-trisphosphate 3-kinase.
Gene Ontology
Molecular Function
GO:0016301 kinase activity
Biological Process
GO:0032958 inositol phosphate biosynthetic process

View graph for
Molecular Function

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Biological Process
External links
PDB RCSB:8ppb, PDBe:8ppb, PDBj:8ppb
PDBsum8ppb
PubMed38374076
UniProtP23677|IP3KA_HUMAN Inositol-trisphosphate 3-kinase A (Gene Name=ITPKA)

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