Annotations: 2L3S

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	FAD_binding_4	e2l3sA1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: FAD_binding_4	ECOD (v294.1)

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
A	PF07653	Variant SH3 domain (SH3_2)	Variant 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	Autoinhibited Crk protein	protein-macromolecule adaptor activity molecular adaptor activity signaling adaptor activity protein binding binding SH2 domain binding protein domain specific binding phosphoprotein binding phosphotyrosine residue binding protein phosphorylated amino acid binding SH3 domain binding signaling receptor binding ephrin receptor binding protein tyrosine kinase binding protein-macromolecule adaptor activity molecular adaptor activity signaling adaptor activity protein binding binding SH2 domain binding protein domain specific binding phosphoprotein binding phosphotyrosine residue binding protein phosphorylated amino acid binding SH3 domain binding signaling receptor binding ephrin receptor binding protein tyrosine kinase binding kinase binding receptor tyrosine kinase binding enzyme binding protein kinase binding	cellular response to stimulus regulation of biological process regulation of signaling regulation of cellular process response to stimulus signaling biological regulation regulation of signal transduction intracellular signal transduction cell communication regulation of intracellular signal transduction regulation of response to stimulus regulation of cell communication cellular process cellular response to stimulus regulation of biological process regulation of signaling regulation of cellular process response to stimulus signaling biological regulation regulation of signal transduction intracellular signal transduction cell communication regulation of intracellular signal transduction regulation of response to stimulus regulation of cell communication cellular process signal transduction regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process actin cytoskeleton organization regulation of organelle organization cellular component organization organelle organization regulation of actin cytoskeleton organization actin filament-based process cellular component organization or biogenesis cytoskeleton organization cell surface receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway ephrin receptor signaling pathway wound healing regulation of response to external stimulus negative regulation of response to stimulus negative regulation of wound healing negative regulation of biological process response to external stimulus negative regulation of response to wounding regulation of response to wounding response to stress regulation of response to stress negative regulation of response to external stimulus regulation of wound healing response to wounding positive regulation of substrate adhesion-dependent cell spreading regulation of cell-substrate adhesion positive regulation of cell adhesion regulation of substrate adhesion-dependent cell spreading regulation of cell adhesion positive regulation of biological process cell-substrate adhesion cell adhesion positive regulation of cell-substrate adhesion substrate adhesion-dependent cell spreading positive regulation of cellular process cell migration cell motility negative regulation of locomotion regulation of cell motility regulation of locomotion negative regulation of cellular process negative regulation of cell motility locomotion developmental process regulation of developmental process 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 regulation of molecular function regulation of catalytic activity regulation of hydrolase activity regulation of GTPase activity	cellular anatomical structure membrane cell periphery plasma membrane intracellular anatomical structure cytoplasm protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036860	SH2 domain superfamily	Homologous Superfamily
A	IPR000980	SH2 domain	Domain
A	IPR035457	CRK, N-terminal SH3 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR051184	Tyrosine-phosphorylated adapter molecule	Family
A	IPR001452	SH3 domain	Domain
A	IPR035458	CRK, C-terminal SH3 domain	Domain

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.