2AQX

Crystal Structure of the Catalytic and CaM-Binding domains of Inositol 1,4,5-Trisphosphate 3-Kinase B

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2aqxa_	Alpha and beta proteins (a+b)	SAICAR synthase-like	SAICAR synthase-like	Inositol polyphosphate kinase (IPK)	automated matches	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d2aqxb_	Alpha and beta proteins (a+b)	SAICAR synthase-like	SAICAR synthase-like	Inositol polyphosphate kinase (IPK)	automated matches	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SAICAR synthase-like	8077883	3000802	SCOP2B (2022-06-29)
B	SCOP2 Family	Inositol polyphosphate kinase (IPK)	8077882	4002804	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	SAICAR synthase-like	8077883	3000802	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	IPK	e2aqxA1	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	e2aqxB1	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	PREDICTED: inositol 1,4,5-trisphosphate 3-kinase B	kinase activity transferase activity inositol-1,4,5-trisphosphate 3-kinase activity inositol phosphate kinase activity inositol trisphosphate kinase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding kinase activity transferase activity inositol-1,4,5-trisphosphate 3-kinase activity inositol phosphate kinase activity inositol trisphosphate kinase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups 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	cellular biosynthetic process glycerophospholipid metabolic process lipid biosynthetic process phospholipid metabolic process organic substance metabolic process organic substance biosynthetic process phosphate-containing compound metabolic process phosphorus metabolic process phosphatidylinositol metabolic process glycerophospholipid biosynthetic process cellular metabolic process primary metabolic process phosphatidylinositol phosphate biosynthetic process phospholipid biosynthetic process cellular biosynthetic process glycerophospholipid metabolic process lipid biosynthetic process phospholipid metabolic process organic substance metabolic process organic substance biosynthetic process phosphate-containing compound metabolic process phosphorus metabolic process phosphatidylinositol metabolic process glycerophospholipid biosynthetic process cellular metabolic process primary metabolic process phosphatidylinositol phosphate biosynthetic process phospholipid biosynthetic process phosphatidylinositol biosynthetic process biosynthetic process glycerolipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process cellular lipid metabolic process metabolic process cellular process glycerolipid metabolic process lipid metabolic process developmental process thymic T cell selection multicellular organismal process cellular developmental process hemopoiesis cell activation cell development mononuclear cell differentiation lymphocyte activation lymphocyte differentiation positive thymic T cell selection leukocyte activation T cell differentiation in thymus T cell activation immune system process cell differentiation positive T cell selection anatomical structure development T cell differentiation T cell selection leukocyte differentiation regulation of cellular process homeostatic process leukocyte apoptotic process negative regulation of biological process regulation of programmed cell death regulation of neutrophil apoptotic process negative regulation of leukocyte apoptotic process negative regulation of neutrophil apoptotic process negative regulation of cellular process regulation of immune system process myeloid cell homeostasis regulation of leukocyte apoptotic process myeloid cell apoptotic process regulation of biological process negative regulation of programmed cell death regulation of apoptotic process biological regulation cell death neutrophil homeostasis neutrophil apoptotic process negative regulation of apoptotic process multicellular organismal-level homeostasis leukocyte homeostasis inflammatory cell apoptotic process negative regulation of myeloid cell apoptotic process homeostasis of number of cells apoptotic process programmed cell death regulation of myeloid cell apoptotic process cellular response to stimulus cellular response to inorganic substance cellular response to metal ion response to stimulus response to inorganic substance cellular response to chemical stimulus response to metal ion response to chemical cellular response to calcium ion response to calcium ion signaling intracellular signal transduction cell communication intracellular signaling cassette MAPK cascade signal transduction cell surface receptor signaling pathway polyol metabolic process organic hydroxy compound metabolic process alcohol metabolic process inositol phosphate metabolic process inositol trisphosphate metabolic process small molecule metabolic process small molecule biosynthetic process inositol phosphate biosynthetic process organic hydroxy compound biosynthetic process polyol biosynthetic process alcohol biosynthetic process regulation of developmental process regulation of cell differentiation regulation of cell development multicellular organism development negative regulation of cell differentiation regulation of multicellular organismal process regulation of multicellular organismal development negative regulation of developmental process regulation of myeloid cell differentiation negative regulation of myeloid cell differentiation myeloid cell differentiation regulation of hemopoiesis regulation of protein modification process regulation of protein phosphorylation regulation of primary metabolic process regulation of phosphate metabolic process protein metabolic process protein modification process organonitrogen compound metabolic process protein phosphorylation phosphorylation regulation of protein metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process macromolecule modification regulation of phosphorylation regulation of phosphorus metabolic process macromolecule metabolic process regulation of metabolic process cell population proliferation common myeloid progenitor cell proliferation positive regulation of cell communication small GTPase-mediated signal transduction positive regulation of signal transduction regulation of small GTPase mediated signal transduction positive regulation of biological process regulation of signal transduction positive regulation of response to stimulus regulation of intracellular signal transduction regulation of Ras protein signal transduction positive regulation of Ras protein signal transduction positive regulation of cellular process regulation of signaling Ras protein signal transduction positive regulation of intracellular signal transduction regulation of response to stimulus regulation of cell communication positive regulation of small GTPase mediated signal transduction positive regulation of signaling regulation of leukocyte differentiation regulation of leukocyte activation regulation of alpha-beta T cell activation regulation of cell activation positive regulation of T cell differentiation positive regulation of developmental process positive regulation of cell activation positive regulation of leukocyte activation alpha-beta T cell activation positive regulation of immune system process positive regulation of T cell activation positive regulation of cell development positive regulation of alpha-beta T cell activation regulation of leukocyte cell-cell adhesion positive regulation of multicellular organismal process positive regulation of alpha-beta T cell differentiation positive regulation of leukocyte cell-cell adhesion regulation of alpha-beta T cell differentiation leukocyte cell-cell adhesion positive regulation of cell-cell adhesion regulation of T cell differentiation positive regulation of lymphocyte activation cell adhesion alpha-beta T cell differentiation cell-cell adhesion positive regulation of hemopoiesis positive regulation of cell differentiation regulation of cell-cell adhesion regulation of lymphocyte differentiation positive regulation of cell adhesion regulation of cell adhesion regulation of T cell activation positive regulation of leukocyte differentiation positive regulation of lymphocyte differentiation regulation of lymphocyte activation	membrane cellular anatomical entity intracellular anatomical structure cytoplasm cytosol intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle endoplasmic reticulum membrane cellular anatomical entity intracellular anatomical structure cytoplasm cytosol intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle endoplasmic reticulum endomembrane system

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 National Science Foundation (DBI-1832184), 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 R01GM133198.