2DL4

Solution structure of the first SH3 domain of Stac protein

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	d2dl4a1	All beta proteins	SH3-like barrel	SH3-domain	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2dl4a3	Artifacts	Tags	Tags	Tags	C-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2dl4a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	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	SCOP2 Family	SH3-domain	8045949	4000369	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SH3-domain	8090113	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	e2dl4A1	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	PF00018	SH3 domain (SH3_1)	SH3 domain	SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organisation. First described in the Src cytoplasmic tyrosine kinase Swiss:P12931. The structure is a partly opened beta barrel.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Protein Stac	protein binding binding transmembrane transporter binding cation binding ion binding metal ion binding small molecule binding	regulation of localization positive regulation of cation transmembrane transport regulation of cellular process transport monoatomic ion transmembrane transport positive regulation of biological process regulation of transmembrane transporter activity regulation of monoatomic ion transmembrane transport regulation of transporter activity monoatomic cation transmembrane transport localization positive regulation of molecular function positive regulation of monoatomic ion transport positive regulation of transmembrane transport monoatomic ion transport regulation of localization positive regulation of cation transmembrane transport regulation of cellular process transport monoatomic ion transmembrane transport positive regulation of biological process regulation of transmembrane transporter activity regulation of monoatomic ion transmembrane transport regulation of transporter activity monoatomic cation transmembrane transport localization positive regulation of molecular function positive regulation of monoatomic ion transport positive regulation of transmembrane transport monoatomic ion transport positive regulation of monoatomic ion transmembrane transport monoatomic cation transport positive regulation of cellular process regulation of monoatomic ion transmembrane transporter activity regulation of biological process regulation of transport regulation of monoatomic ion transport biological regulation positive regulation of cation channel activity establishment of localization regulation of cation channel activity transmembrane transport regulation of molecular function regulation of transmembrane transport positive regulation of transport positive regulation of transporter activity positive regulation of ion transmembrane transporter activity cellular process regulation of monoatomic cation transmembrane transport positive regulation of protein localization to plasma membrane protein localization cellular localization regulation of protein localization cellular macromolecule localization regulation of protein localization to membrane positive regulation of protein localization to cell periphery protein localization to cell periphery protein localization to plasma membrane positive regulation of protein localization to membrane localization within membrane regulation of protein localization to cell periphery protein localization to membrane regulation of cellular localization macromolecule localization positive regulation of protein localization regulation of protein localization to plasma membrane cellular response to stimulus cellular response to heat response to stimulus cellular response to stress response to stress response to heat response to abiotic stimulus response to temperature stimulus multicellular organismal movement musculoskeletal movement multicellular organismal process system process nervous system process neuromuscular process skeletal muscle contraction muscle contraction muscle system process striated muscle contraction regulation of calcium ion transmembrane transporter activity regulation of calcium ion transport positive regulation of calcium ion transport regulation of voltage-gated calcium channel activity calcium ion transport inorganic ion transmembrane transport inorganic cation transmembrane transport positive regulation of voltage-gated calcium channel activity metal ion transport regulation of calcium ion transmembrane transport positive regulation of calcium ion transmembrane transporter activity positive regulation of calcium ion transmembrane transport regulation of metal ion transport calcium ion transmembrane transport signaling signal transduction cell communication	cell periphery cellular anatomical structure sarcolemma plasma membrane membrane T-tubule intracellular anatomical structure cytoplasm cytosol cytoplasmic side of plasma membrane cytoplasmic side of membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR039688	STAC1/2/3	Family
A	IPR035508	STAC1, SH3 domain	Domain
A	IPR002219	Protein kinase C-like, phorbol ester/diacylglycerol-binding domain	Domain
A	IPR001452	SH3 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR046349	C1-like domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q99469	allergic contact dermatitis lung cancer pituitary cancer chronic kidney disease malignant mesothelioma psoriasis lung adenocarcinoma non-small cell lung carcinoma

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.