1W2C

Human Inositol (1,4,5) trisphosphate 3-kinase complexed with Mn2+/AMPPNP/Ins(1,4,5)P3

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1w2ca_	Alpha and beta proteins (a+b)	SAICAR synthase-like	SAICAR synthase-like	Inositol polyphosphate kinase (IPK)	Inositol 1,4,5-trisphosphate 3-kinase A, IP3K A	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1w2cb_	Alpha and beta proteins (a+b)	SAICAR synthase-like	SAICAR synthase-like	Inositol polyphosphate kinase (IPK)	Inositol 1,4,5-trisphosphate 3-kinase A, IP3K A	HUMAN (Homo sapiens ) [TaxId: 9606 ],	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	8041621	3000802	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SAICAR synthase-like	8041621	3000802	SCOP2B (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	e1w2cA1	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	e1w2cB1	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-TRISPHOSPHATE 3-KINASE A	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 small GTPase binding protein binding binding enzyme binding GTPase binding protein serine/threonine kinase activity 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 small GTPase binding protein binding binding enzyme binding GTPase binding protein serine/threonine kinase activity catalytic activity, acting on a protein protein kinase activity calcium/calmodulin-dependent protein kinase activity 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 calmodulin binding inositol tetrakisphosphate kinase activity	polyol metabolic process inositol metabolic process organic hydroxy compound metabolic process alcohol metabolic process small molecule metabolic process metabolic process response to stimulus response to metal ion response to chemical response to calcium ion phosphatidylinositol metabolic process glycerophospholipid biosynthetic process cellular biosynthetic process cellular metabolic process polyol metabolic process inositol metabolic process organic hydroxy compound metabolic process alcohol metabolic process small molecule metabolic process metabolic process response to stimulus response to metal ion response to chemical response to calcium ion phosphatidylinositol metabolic process glycerophospholipid biosynthetic process cellular biosynthetic process cellular metabolic process glycerophospholipid metabolic process lipid biosynthetic process primary metabolic process phosphatidylinositol phosphate biosynthetic process phospholipid biosynthetic process phosphatidylinositol biosynthetic process phospholipid metabolic process biosynthetic process glycerolipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process cellular lipid metabolic process phosphate-containing compound metabolic process cellular process glycerolipid metabolic process phosphorus metabolic process lipid metabolic process cellular component organization organelle organization actin cytoskeleton organization actin filament-based process cellular component organization or biogenesis cytoskeleton organization cellular response to stimulus regulation of biological process regulation of cellular process signaling biological regulation signal transduction cell communication cellular response to metal ion cellular response to chemical stimulus cellular response to calcium ion cell junction organization modification of postsynaptic actin cytoskeleton synapse organization modification of postsynaptic structure modification of synaptic structure dendritic spine maintenance dendritic spine organization postsynapse organization plasma membrane bounded cell projection organization cell projection organization cellular component maintenance neuron projection organization small molecule biosynthetic process inositol phosphate metabolic process inositol phosphate biosynthetic process organic hydroxy compound biosynthetic process polyol biosynthetic process alcohol biosynthetic process regulation of synaptic plasticity trans-synaptic signaling regulation of signaling modulation of chemical synaptic transmission cell-cell signaling chemical synaptic transmission synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication regulation of biological quality positive regulation of dendritic spine morphogenesis multicellular organismal process positive regulation of nervous system development positive regulation of dendritic spine development regulation of cell differentiation regulation of neurogenesis neuron projection development regulation of cell morphogenesis regulation of cell development positive regulation of developmental process multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation regulation of dendrite morphogenesis anatomical structure development regulation of synapse structure or activity positive regulation of cell projection organization dendritic spine morphogenesis system development developmental process dendritic spine development regulation of cell projection organization positive regulation of cell development regulation of postsynapse organization nervous system development positive regulation of cell morphogenesis generation of neurons regulation of dendrite development positive regulation of multicellular organismal process regulation of neuron projection development regulation of cellular component organization positive regulation of cellular component organization regulation of developmental process cellular developmental process plasma membrane bounded cell projection morphogenesis positive regulation of biological process cell development regulation of dendritic spine development cell morphogenesis regulation of nervous system development neurogenesis dendrite development positive regulation of neuron projection development positive regulation of cell differentiation positive regulation of neurogenesis regulation of multicellular organismal process regulation of anatomical structure morphogenesis positive regulation of cellular process regulation of multicellular organismal development dendrite morphogenesis positive regulation of dendrite morphogenesis cell morphogenesis involved in neuron differentiation anatomical structure morphogenesis regulation of synapse organization neuron development regulation of dendritic spine morphogenesis regulation of plasma membrane bounded cell projection organization	intracellular anatomical structure synapse cellular anatomical entity actin cytoskeleton intracellular organelle postsynapse cytoskeleton organelle intracellular non-membrane-bounded organelle cell junction postsynaptic cytoskeleton postsynaptic actin cytoskeleton non-membrane-bounded organelle cytoplasm intracellular anatomical structure synapse cellular anatomical entity actin cytoskeleton intracellular organelle postsynapse cytoskeleton organelle intracellular non-membrane-bounded organelle cell junction postsynaptic cytoskeleton postsynaptic actin cytoskeleton non-membrane-bounded organelle cytoplasm cytosol glutamatergic synapse neuron spine neuron projection dendritic spine plasma membrane bounded cell projection somatodendritic compartment cell projection dendrite dendritic tree membrane-bounded organelle nucleus intracellular membrane-bounded organelle

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

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P23677	allergic rhinitis glioblastoma malignant ependymoma metabolic syndrome X primitive neuroectodermal tumor astrocytic tumor large cell medulloblastoma malignant glioma oligodendroglioma ulcerative colitis atypical teratoid rhabdoid tumor lung adenocarcinoma medulloblastoma pilocytic astrocytoma

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.