3MTT

Crystal structure of iSH2 domain of human p85beta, Northeast Structural Genomics Consortium Target HR5531C

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	PI3K inter-SH2 coiled-coil domain	8045618	4004569	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PI3K inter-SH2 coiled-coil domain	8052379	3002111	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	PI3K_P85_iSH2	e3mttA1	A: alpha bundles	X: YscO-like	H: Phosphatidylinositol 3-kinase regulatory subunit inter-SH2 domain (From Topology)	T: Phosphatidylinositol 3-kinase regulatory subunit inter-SH2 domain	F: PI3K_P85_iSH2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.287.1490	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF16454	Phosphatidylinositol 3-kinase regulatory subunit P85 inter-SH2 domain (PI3K_P85_iSH2)	Phosphatidylinositol 3-kinase regulatory subunit P85 inter-SH2 domain	This domain is found between the two SH2 domains in phosphatidylinositol 3-kinase regulatory subunit P85. It forms a complex with the adaptor-binding domain of phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Phosphatidylinositol 3-kinase regulatory subunit beta	enzyme regulator activity molecular function regulator activity 1-phosphatidylinositol-3-kinase regulator activity kinase regulator activity protein heterodimerization activity protein binding binding protein dimerization activity phosphatidylinositol 3-kinase binding phosphatidylinositol 3-kinase regulatory subunit binding phosphoprotein binding phosphotyrosine residue binding protein phosphorylated amino acid binding protein phosphatase binding enzyme regulator activity molecular function regulator activity 1-phosphatidylinositol-3-kinase regulator activity kinase regulator activity protein heterodimerization activity protein binding binding protein dimerization activity phosphatidylinositol 3-kinase binding phosphatidylinositol 3-kinase regulatory subunit binding phosphoprotein binding phosphotyrosine residue binding protein phosphorylated amino acid binding protein phosphatase binding phosphatase binding enzyme binding protein tyrosine kinase binding kinase binding signaling receptor binding receptor tyrosine kinase binding protein kinase binding	cellular homeostasis chemical homeostasis homeostatic process glucose homeostasis carbohydrate homeostasis intracellular chemical homeostasis intracellular glucose homeostasis developmental process multicellular organismal process cellular developmental process hemopoiesis B cell activation cell activation cell development cellular homeostasis chemical homeostasis homeostatic process glucose homeostasis carbohydrate homeostasis intracellular chemical homeostasis intracellular glucose homeostasis developmental process multicellular organismal process cellular developmental process hemopoiesis B cell activation cell activation cell development mononuclear cell differentiation lymphocyte differentiation lymphocyte activation leukocyte activation B cell differentiation cell differentiation immune system process anatomical structure development cellular process leukocyte differentiation regulation of cytoskeleton organization regulation of cellular process regulation of cellular component organization regulation of actin filament-based process regulation of actin filament bundle assembly cellular component biogenesis cellular component organization cellular component assembly actin filament bundle organization actin filament-based process cellular component organization or biogenesis stress fiber assembly regulation of biological process regulation of actin filament organization actin cytoskeleton organization actomyosin structure organization biological regulation actin filament organization regulation of cellular component biogenesis regulation of organelle organization regulation of stress fiber assembly organelle organization contractile actin filament bundle assembly regulation of actomyosin structure organization actin filament bundle assembly regulation of actin cytoskeleton organization regulation of supramolecular fiber organization supramolecular fiber organization cytoskeleton organization response to stimulus immune response cellular response to stimulus signaling intracellular signal transduction cell communication intracellular signaling cassette signal transduction phosphatidylinositol 3-kinase/protein kinase B signal transduction 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 glycerolipid metabolic process lipid metabolic process protein localization establishment of protein localization cellular localization nitrogen compound transport transport organic substance transport establishment of localization localization protein transport cellular macromolecule localization macromolecule localization T cell activation T cell differentiation regulation of localization nucleocytoplasmic transport nuclear transport positive regulation of establishment of protein localization import into nucleus establishment of localization in cell regulation of intracellular transport positive regulation of protein localization to nucleus positive regulation of protein import into nucleus intracellular transport regulation of nucleocytoplasmic transport protein localization to nucleus establishment of protein localization to organelle positive regulation of protein localization regulation of intracellular protein transport positive regulation of intracellular protein transport intracellular protein transport regulation of protein localization positive regulation of nucleocytoplasmic transport positive regulation of biological process regulation of protein localization to nucleus positive regulation of protein transport regulation of protein import into nucleus protein import into nucleus positive regulation of intracellular transport positive regulation of cellular process regulation of transport regulation of establishment of protein localization regulation of protein transport positive regulation of transport regulation of cellular localization protein localization to organelle cell adhesion positive regulation of cell adhesion regulation of cell adhesion negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process regulation of signal transduction negative regulation of cell communication regulation of intracellular signal transduction negative regulation of cellular process regulation of signaling negative regulation of response to stimulus regulation of MAPK cascade negative regulation of signal transduction regulation of response to stimulus MAPK cascade regulation of cell communication negative regulation of MAPK cascade cellular response to nitrogen compound response to organic substance response to peptide hormone insulin receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway cellular response to endogenous stimulus response to hormone cellular response to organic substance enzyme-linked receptor protein signaling pathway cellular response to hormone stimulus cell surface receptor signaling pathway response to endogenous stimulus response to organonitrogen compound response to oxygen-containing compound cellular response to peptide hormone stimulus response to nitrogen compound cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to organonitrogen compound response to chemical response to insulin cellular response to insulin stimulus protein localization to cell periphery protein localization to plasma membrane localization within membrane regulation of protein localization to cell periphery protein localization to membrane regulation of protein localization to plasma membrane regulation of protein localization to membrane catabolic process autophagy regulation of cellular metabolic process regulation of catabolic process regulation of autophagy cellular catabolic process regulation of cellular catabolic process regulation of metabolic process process utilizing autophagic mechanism positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process organic cyclic compound metabolic process regulation of gene expression organic cyclic compound biosynthetic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription positive regulation of DNA-templated transcription RNA metabolic process positive regulation of cellular metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of biosynthetic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process regulation of cellular component size regulation of protein-containing complex assembly protein-containing complex assembly regulation of actin filament polymerization regulation of biological quality protein polymerization actin polymerization or depolymerization actin filament polymerization protein-containing complex organization regulation of actin polymerization or depolymerization regulation of protein polymerization regulation of actin filament length regulation of anatomical structure size cellular response to stress response to stress response to endoplasmic reticulum stress	anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction intracellular anatomical structure cytoplasm cytosol protein-containing complex catalytic complex membrane phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction intracellular anatomical structure cytoplasm cytosol protein-containing complex catalytic complex membrane phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex, class IA phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups extrinsic component of membrane membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036860	SH2 domain superfamily	Homologous Superfamily
A	IPR000980	SH2 domain	Domain
A	IPR035586	Phosphatidylinositol 3-kinase regulatory subunit beta, SH3 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR008936	Rho GTPase activation protein	Homologous Superfamily
A	IPR035020	PI3K p85 subunit, C-terminal SH2 domain	Domain
A	IPR000198	Rho GTPase-activating protein domain	Domain
A	IPR032498	PI3K regulatory subunit p85-related , inter-SH2 domain	Domain
A	IPR001452	SH3 domain	Domain
A	IPR035022	PI3K p85 subunit, N-terminal SH2 domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O00459	megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 1 prostate cancer cerebrovascular disorder endometrium carcinoma in situ intellectual disability Megalanecephaly Polymicrogyria-Polydactyly Hydrocephalus Syndrome polydactyly systemic sclerosis endometrial carcinoma endometrium adenocarcinoma hydrocephalus megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome

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.