Structure of PDB 4hn2 Chain A Binding Site BS02

Receptor Information
>4hn2 Chain A (length=325) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RQIVVGICSMAKKSKSKPMKEILERISLFKYITVVVFEEEVILNEPVENW
PLCDCLISFHSKGFPLDKAVAYAKLRNPFVINDLNMQYLIQDRREVYSIL
QAEGILLPRYAILNRDPNNPKECNLIEGEDHVEVNGEVFQKPFVEKPVSA
EDHNVYIYYPTSAGGGSQRLFRKIGSRSSVYSPESNVRKTGSYIYEEFMP
TDGTDVKVYTVGPDYAHAEARKSPALDGKVERDSEGKEVRYPVILNAREK
LIAWKVCLAFKQTVCGFDLLRANGQSYVCDVNGFSFVKNSMKYYDDCAKI
LGNIVMRELAPQFHIPWSIPLEAED
Ligand information
Ligand ID0EJ
InChIInChI=1S/C8H20O25P6/c9-2(1-34(10,11)12)28-3-4(29-35(13,14)15)6(31-37(19,20)21)8(33-39(25,26)27)7(32-38(22,23)24)5(3)30-36(16,17)18/h3-8H,1H2,(H2,10,11,12)(H2,13,14,15)(H2,16,17,18)(H2,19,20,21)(H2,22,23,24)(H2,25,26,27)/t3-,4-,5+,6+,7-,8+
InChIKeyJGWVNODNEALCIO-QEEWUKHFSA-N
SMILES
SoftwareSMILES
CACTVS 3.385O[P](O)(=O)CC(=O)O[C@H]1[C@H](O[P](O)(O)=O)[C@@H](O[P](O)(O)=O)[C@@H](O[P](O)(O)=O)[C@@H](O[P](O)(O)=O)[C@@H]1O[P](O)(O)=O
OpenEye OEToolkits 1.7.6C(C(=O)OC1C(C(C(C(C1OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O)P(=O)(O)O
OpenEye OEToolkits 1.7.6C(C(=O)OC1[C@@H]([C@H](C([C@H]([C@@H]1OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O)P(=O)(O)O
ACDLabs 12.01O=P(O)(O)CC(=O)OC1C(OP(=O)(O)O)C(OP(=O)(O)O)C(OP(=O)(O)O)C(OP(=O)(O)O)C1OP(=O)(O)O
CACTVS 3.385O[P](O)(=O)CC(=O)O[CH]1[CH](O[P](O)(O)=O)[CH](O[P](O)(O)=O)[CH](O[P](O)(O)=O)[CH](O[P](O)(O)=O)[CH]1O[P](O)(O)=O
FormulaC8 H20 O25 P6
Name(2-oxo-2-{[(1s,2R,3S,4s,5R,6S)-2,3,4,5,6-pentakis(phosphonooxy)cyclohexyl]oxy}ethyl)phosphonic acid
ChEMBL
DrugBank
ZINCZINC000263620601
PDB chain4hn2 Chain A Residue 402 [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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PDB4hn2 First synthetic analogues of diphosphoinositol polyphosphates: interaction with PP-InsP(5) kinase.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		K53 K54 R213 K214 K248 R281 S326 K329
Binding residue
(residue number reindexed from 1)		K12 K13 R172 K173 K207 R240 S285 K288
Annotation score2
Binding affinityPDBbind-CN: -logKd/Ki=6.89,IC50=129nM
Enzymatic activity
Enzyme Commision number 2.7.4.24: diphosphoinositol-pentakisphosphate 1-kinase.
Gene Ontology
Molecular Function
GO:0000829 diphosphoinositol pentakisphosphate kinase activity

View graph for
Molecular Function
External links
PDB RCSB:4hn2, PDBe:4hn2, PDBj:4hn2
PDBsum4hn2
PubMed23032903
UniProtO43314|VIP2_HUMAN Inositol hexakisphosphate and diphosphoinositol-pentakisphosphate kinase 2 (Gene Name=PPIP5K2)

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