Annotations: 2E5K

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	SH3-domain	8062086	4000369	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SH3-domain	8062087	3000153	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	SH3_1	e2e5kA1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF14604	Variant SH3 domain (SH3_9)	Variant SH3 domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Suppressor of T-cell receptor signaling 1	phosphoprotein binding protein binding binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding enzyme binding phosphoric ester hydrolase activity phosphoprotein phosphatase activity catalytic activity, acting on a protein hydrolase activity, acting on ester bonds protein tyrosine phosphatase activity phosphatase activity hydrolase activity catalytic activity phosphoprotein binding protein binding binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding enzyme binding phosphoric ester hydrolase activity phosphoprotein phosphatase activity catalytic activity, acting on a protein hydrolase activity, acting on ester bonds protein tyrosine phosphatase activity phosphatase activity hydrolase activity catalytic activity identical protein binding	cellular response to stimulus regulation of signaling regulation of biological process regulation of cellular process response to stimulus negative regulation of signaling signaling negative regulation of response to stimulus biological regulation negative regulation of biological process regulation of signal transduction negative regulation of signal transduction negative regulation of cell communication cell communication regulation of response to stimulus cellular response to stimulus regulation of signaling regulation of biological process regulation of cellular process response to stimulus negative regulation of signaling signaling negative regulation of response to stimulus biological regulation negative regulation of biological process regulation of signal transduction negative regulation of signal transduction negative regulation of cell communication cell communication regulation of response to stimulus negative regulation of cellular process regulation of cell communication cellular process signal transduction multicellular organismal process negative regulation of tissue remodeling homeostatic process negative regulation of bone remodeling regulation of bone remodeling tissue homeostasis regulation of tissue remodeling regulation of bone resorption bone resorption negative regulation of bone resorption multicellular organismal-level homeostasis tissue remodeling bone remodeling anatomical structure homeostasis regulation of multicellular organismal process negative regulation of multicellular organismal process myeloid leukocyte differentiation regulation of leukocyte differentiation cellular developmental process regulation of developmental process cell development regulation of cell differentiation regulation of cell development regulation of osteoclast differentiation multicellular organism development cell differentiation osteoclast differentiation anatomical structure development regulation of immune system process developmental process regulation of multicellular organismal development hemopoiesis regulation of myeloid cell differentiation regulation of myeloid leukocyte differentiation myeloid cell differentiation immune system process regulation of hemopoiesis leukocyte differentiation collagen-activated tyrosine kinase receptor signaling pathway cell surface receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway collagen-activated signaling pathway enzyme-linked receptor protein signaling pathway regulation of body fluid levels regulation of cell activation negative regulation of cell adhesion negative regulation of platelet activation regulation of coagulation regulation of biological quality response to wounding negative regulation of homotypic cell-cell adhesion negative regulation of wound healing negative regulation of blood coagulation response to external stimulus blood coagulation negative regulation of hemostasis regulation of platelet activation negative regulation of response to external stimulus negative regulation of cell-cell adhesion regulation of wound healing platelet activation regulation of response to external stimulus homotypic cell-cell adhesion regulation of response to wounding cell adhesion cell-cell adhesion response to stress regulation of response to stress coagulation regulation of cell-cell adhesion regulation of hemostasis wound healing regulation of homotypic cell-cell adhesion regulation of cell adhesion regulation of blood coagulation hemostasis cell activation negative regulation of platelet aggregation negative regulation of response to wounding platelet aggregation negative regulation of cell activation regulation of platelet aggregation negative regulation of coagulation regulation of calcium ion transport regulation of localization intracellular calcium ion homeostasis calcium ion transport localization monoatomic cation homeostasis monoatomic cation transport intracellular monoatomic ion homeostasis regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport maintenance of location transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport chemical homeostasis cellular localization inorganic ion homeostasis transport monoatomic ion transmembrane transport calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion metal ion transport maintenance of location in cell regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport intracellular monoatomic cation homeostasis monoatomic ion homeostasis monoatomic ion transport intracellular chemical homeostasis regulation of metal ion transport regulation of sequestering of calcium ion calcium ion transmembrane import into cytosol regulation of transport sequestering of calcium ion cellular homeostasis regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport negative regulation of cell differentiation negative regulation of hemopoiesis negative regulation of leukocyte differentiation negative regulation of developmental process negative regulation of myeloid cell differentiation negative regulation of osteoclast differentiation negative regulation of myeloid leukocyte differentiation negative regulation of cell development negative regulation of immune system process	intracellular anatomical structure cytoplasm cellular anatomical entity membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013078	Histidine phosphatase superfamily, clade-1	Family
A	IPR029033	Histidine phosphatase superfamily	Homologous Superfamily
A	IPR001452	SH3 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR009060	UBA-like superfamily	Homologous Superfamily
A	IPR015940	Ubiquitin-associated domain	Domain
A	IPR035632	UBASH3B, SH3 domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q8TF42	systemic lupus erythematosus astrocytic tumor B-cell chronic lymphocytic leukemia glioblastoma lung carcinoma malignant pancreatic neoplasm oligodendroglioma rheumatoid arthritis tuberculosis atopic eczema congestive heart failure hydrolethalus syndrome malignant ependymoma medulloblastoma osteosarcoma systemic lupus erythematosus astrocytic tumor B-cell chronic lymphocytic leukemia glioblastoma lung carcinoma malignant pancreatic neoplasm oligodendroglioma rheumatoid arthritis tuberculosis atopic eczema congestive heart failure hydrolethalus syndrome malignant ependymoma medulloblastoma osteosarcoma subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor cystic fibrosis large cell medulloblastoma malignant glioma non-small cell lung carcinoma pemphigus vulgaris

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.