Annotations: 3CQT

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3cqta1	All beta proteins	SH3-like barrel	SH3-domain	SH3-domain	automated matches	Chicken (Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
A	d3cqta2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Chicken (Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SH3-domain	8065147	3000153	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	SH3_1	e3cqtA1	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	Proto-oncogene tyrosine-protein kinase Fyn	protein binding binding signaling receptor binding cytoskeletal protein binding tubulin binding protein tyrosine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups adenyl ribonucleotide binding protein binding binding signaling receptor binding cytoskeletal protein binding tubulin binding protein tyrosine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups 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 non-membrane spanning protein tyrosine kinase activity cation binding metal ion binding	developmental process cellular developmental process cell differentiation cellular process biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism developmental process cellular developmental process cell differentiation cellular process biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus regulation of biological process regulation of developmental process biological regulation regulation of cell shape cell morphogenesis regulation of cell morphogenesis anatomical structure morphogenesis anatomical structure development regulation of biological quality regulation of anatomical structure morphogenesis protein phosphorylation phosphorylation cellular metabolic process primary metabolic process peptidyl-tyrosine modification macromolecule modification peptidyl-amino acid modification phosphate-containing compound metabolic process metabolic process protein metabolic process macromolecule metabolic process peptidyl-tyrosine phosphorylation protein modification process phosphorus metabolic process multicellular organismal process head development forebrain development animal organ development brain development nervous system development multicellular organism development central nervous system development system development cellular response to stimulus regulation of cellular process cell surface receptor signaling pathway signaling cell communication reelin-mediated signaling pathway signal transduction cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway neuron migration generation of neurons neurogenesis cell migration cell motility	somatodendritic compartment cell body perikaryon neuronal cell body cellular anatomical entity intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane membrane microdomain membrane raft membrane-bounded organelle somatodendritic compartment cell body perikaryon neuronal cell body cellular anatomical entity intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane membrane microdomain membrane raft membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017441	Protein kinase, ATP binding site	Binding Site
A	IPR036860	SH2 domain superfamily	Homologous Superfamily
A	IPR008266	Tyrosine-protein kinase, active site	Active Site
A	IPR020635	Tyrosine-protein kinase, catalytic domain	Domain
A	IPR000980	SH2 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR000719	Protein kinase domain	Domain
A	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR001452	SH3 domain	Domain
A	IPR035750	Fyn/Yrk, SH3 domain	Domain
A	IPR050198	Non-receptor tyrosine kinases involved in cell signaling	Family

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.