Structure of PDB 8ppg Chain A Binding Site BS02

Receptor Information
>8ppg Chain A (length=274) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GSHMSWVQGSFKAAGTSGLILKRCSEPERYCLARLMADALRGCVPAFHGV
VERDGESYLQLQDLLDGFDGPCVLDCKMGVRTYLEEELTKARERPKLRKD
MYKKMLAVDPEAPTEEEHAQRAVTKPRYMQWREGISSSTTLGFRIEGIKK
ADGSCSTDFKTTRSREQVLRVFEEFVQGDEEVLRRYLNRLQQIRDTLEVS
EFFRRHEVIGSSLLFVHDHCHRAGVWLIDFGKTTPLPDGQILDHRRPWEE
GNREDGYLLGLDNLIGILASLAER
Ligand information
Ligand ID46I
InChIInChI=1S/C6H16O18P4/c7-3-5(23-27(14,15)16)4(22-26(11,12)13)2(1-20-25(8,9)10)21-6(3)24-28(17,18)19/h2-7H,1H2,(H2,8,9,10)(H2,11,12,13)(H2,14,15,16)(H2,17,18,19)/t2-,3-,4-,5-,6+/m1/s1
InChIKeyHWPKOYDCMYQLFR-UKFBFLRUSA-N
SMILES
SoftwareSMILES
CACTVS 3.385O[CH]1[CH](O[CH](CO[P](O)(O)=O)[CH](O[P](O)(O)=O)[CH]1O[P](O)(O)=O)O[P](O)(O)=O
OpenEye OEToolkits 2.0.7C(C1C(C(C(C(O1)OP(=O)(O)O)O)OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O
CACTVS 3.385O[C@H]1[C@@H](O[C@H](CO[P](O)(O)=O)[C@@H](O[P](O)(O)=O)[C@@H]1O[P](O)(O)=O)O[P](O)(O)=O
OpenEye OEToolkits 2.0.7C([C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)OP(=O)(O)O)O)OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O
FormulaC6 H16 O18 P4
Namebeta-D-glucopyranosyl 1,3,4,6-tetrakisphosphate;
[(2S,3R,4R,5R,6R)-3-oxidanyl-2,5-diphosphonooxy-6-(phosphonooxymethyl)oxan-4-yl] dihydrogen phosphate
ChEMBL
DrugBank
ZINC
PDB chain8ppg Chain A Residue 705 [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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PDB8ppg Substrate promiscuity of inositol 1,4,5-trisphosphate kinase driven by structurally-modified ligands and active site plasticity
Resolution1.75 Å
Binding residue
(original residue number in PDB)
K264 R285 M288 K291 K312 Y315 R319 K419
Binding residue
(residue number reindexed from 1)
K77 R98 M101 K104 K125 Y128 R132 K232
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:8ppg, PDBe:8ppg, PDBj:8ppg
PDBsum8ppg
PubMed38374076
UniProtP23677|IP3KA_HUMAN Inositol-trisphosphate 3-kinase A (Gene Name=ITPKA)

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