Structure of PDB 2xam Chain B Binding Site BS03

Receptor Information
>2xam Chain B (length=426) Species: 3702 (Arabidopsis thaliana) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MILEEKDASDWIYRGEGGANLVLAYAGSSPLFVGKVIRIQKARRNDKAIK
NVVSVLTSDEQHLWRENNELISSPNKEVLEQRYVQNVIIPLLGPKHVDAG
VRVSVSKEFLECVDKKVTKQRPLWRVNAANVDTSHDSALILNDHSLFSQG
GGDCISVEIKPKCGFLPTSRFIGKENMLKTSVSRFKMHQLLKLEYIEISE
ESEYDPLDLFSGSKERVLEAIKALYSTPQNNFRVFLNGSLILGGSGESTG
RTSPEIGYAFEDALKGFIQSEDGHRTECFLQLVSDAVYGSGVLDRLLEIQ
KLDKLDIEGAIHCYYDIINQPCPICKEGRPLEAELSLHALPLDESLKIVK
EYLIAATAKDCSIMISFQSRNEPSGDYVSLKPTNQTFDYKVHFIDLSLKP
LKRMESYYKLDKKIISFYNRKQKAEN
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain2xam Chain B Residue 700 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2xam Inositol 1,3,4,5,6-Pentakisphosphate 2-Kinase is a Distant Ipk Member with a Singular Inositide Binding Site for Axial 2-Oh Recognition.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		H320 C330 H346
Binding residue
(residue number reindexed from 1)		H312 C322 H338
Annotation score1
Enzymatic activity
Enzyme Commision number 2.7.1.158: inositol-pentakisphosphate 2-kinase.
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0016301 kinase activity
GO:0032942 inositol-1,4,5,6-tetrakisphosphate 2-kinase activity
GO:0035299 inositol-1,3,4,5,6-pentakisphosphate 2-kinase activity
GO:0046872 metal ion binding
GO:0102731 inositol-1,3,4,6-tetrakisphosphate 2-kinase activity
Biological Process
GO:0010264 myo-inositol hexakisphosphate biosynthetic process
GO:0016310 phosphorylation
GO:0030643 intracellular phosphate ion homeostasis
GO:0042742 defense response to bacterium
GO:0048527 lateral root development
GO:0050832 defense response to fungus
GO:0051607 defense response to virus
GO:0055062 phosphate ion homeostasis
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2xam, PDBe:2xam, PDBj:2xam
PDBsum2xam
PubMed20453199
UniProtQ93YN9|IPPK_ARATH Inositol-pentakisphosphate 2-kinase (Gene Name=IPK1)

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