2IEW

Crystal structure of Inositol Phosphate Multikinase Ipk2 from S. cerevisiae

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	IPK	e2iewA2	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: SAICAR synthase	F: IPK	ECOD (1.6)
B	IPK	e2iewB2	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: SAICAR synthase	F: IPK	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.470.160	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)
B	3.30.470.160	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03770	Inositol polyphosphate kinase (IPK)	Inositol polyphosphate kinase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Inositol polyphosphate multikinase	inositol-1,3,4,5,6-pentakisphosphate kinase activity kinase activity transferase activity inositol phosphate kinase activity catalytic activity phosphotransferase activity, phosphate group as acceptor transferase activity, transferring phosphorus-containing groups inositol-1,4,5-trisphosphate 3-kinase activity inositol trisphosphate kinase activity phosphotransferase activity, alcohol group as acceptor binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding inositol-1,3,4,5,6-pentakisphosphate kinase activity kinase activity transferase activity inositol phosphate kinase activity catalytic activity phosphotransferase activity, phosphate group as acceptor transferase activity, transferring phosphorus-containing groups inositol-1,4,5-trisphosphate 3-kinase activity inositol trisphosphate kinase activity phosphotransferase activity, alcohol group as acceptor binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding inositol tetrakisphosphate kinase activity inositol-1,3,4,5-tetrakisphosphate 6-kinase activity phosphatidylinositol kinase activity lipid kinase activity 1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity inositol-1,4,5-trisphosphate 6-kinase activity 1-phosphatidylinositol-3-kinase activity inositol-1,4,5,6-tetrakisphosphate 3-kinase activity cation binding metal ion binding protein-macromolecule adaptor activity molecular adaptor activity	catabolic process macroautophagy autophagy cellular process metabolic process process utilizing autophagic mechanism regulation of protein stability biological regulation regulation of biological quality protein stabilization polyol metabolic process small molecule biosynthetic process organic hydroxy compound metabolic process alcohol metabolic process catabolic process macroautophagy autophagy cellular process metabolic process process utilizing autophagic mechanism regulation of protein stability biological regulation regulation of biological quality protein stabilization polyol metabolic process small molecule biosynthetic process organic hydroxy compound metabolic process alcohol metabolic process inositol phosphate metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process inositol phosphate biosynthetic process organic hydroxy compound biosynthetic process phosphate-containing compound metabolic process polyol biosynthetic process alcohol biosynthetic process small molecule metabolic process phosphorus metabolic process phosphatidylinositol metabolic process glycerophospholipid biosynthetic process glycerophospholipid metabolic process lipid biosynthetic process primary metabolic process phosphatidylinositol phosphate biosynthetic process phospholipid biosynthetic process phosphatidylinositol biosynthetic process phospholipid metabolic process glycerolipid biosynthetic process glycerolipid metabolic process lipid metabolic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription regulation of biological process negative regulation of transcription by RNA polymerase II negative regulation of metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process arginine metabolic process regulation of small molecule metabolic process regulation of arginine metabolic process regulation of amino acid metabolic process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process	RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR038286	Inositol polyphosphate kinase superfamily	Homologous Superfamily
A, B	IPR005522	Inositol polyphosphate kinase	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.