Annotations: 6CPJ

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6cpja1	All beta proteins	SH3-like barrel	SH3-domain	automated matches	automated matches	Rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
A	d6cpja2	Artifacts	Tags	Tags	Tags	C-terminal Tags	Rat (Rattus norvegicus ) [TaxId: 10116 ],	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	8067955	4000369	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SH3-domain	8067956	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	e6cpjA1	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	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	SH3 and multiple ankyrin repeat domains protein 2	structural constituent of postsynapse structural molecule activity structural constituent of postsynaptic density structural constituent of synapse structural constituent of postsynaptic specialization ionotropic glutamate receptor binding protein binding binding signaling receptor binding glutamate receptor binding SH3 domain binding protein domain specific binding signaling receptor complex adaptor activity protein-macromolecule adaptor activity structural constituent of postsynapse structural molecule activity structural constituent of postsynaptic density structural constituent of synapse structural constituent of postsynaptic specialization ionotropic glutamate receptor binding protein binding binding signaling receptor binding glutamate receptor binding SH3 domain binding protein domain specific binding signaling receptor complex adaptor activity protein-macromolecule adaptor activity synaptic receptor adaptor activity molecular adaptor activity signaling adaptor activity	maintenance of synapse structure postsynapse organization cellular component maintenance maintenance of postsynaptic density structure cellular component organization cell junction maintenance organelle organization cell junction organization maintenance of postsynaptic specialization structure postsynaptic density organization cellular process synapse organization cellular component organization or biogenesis postsynaptic specialization organization maintenance of synapse structure postsynapse organization cellular component maintenance maintenance of postsynaptic density structure cellular component organization cell junction maintenance organelle organization cell junction organization maintenance of postsynaptic specialization structure postsynaptic density organization cellular process synapse organization cellular component organization or biogenesis postsynaptic specialization organization response to stimulus response to chemical response to xenobiotic stimulus adult locomotory behavior behavior multicellular organismal process adult behavior locomotory behavior system process learning learning or memory nervous system process cognition exploration behavior positive regulation of cell communication regulation of cellular process signaling modulation of chemical synaptic transmission synaptic transmission, glutamatergic positive regulation of biological process regulation of synaptic transmission, glutamatergic cell communication synaptic signaling positive regulation of cellular process trans-synaptic signaling regulation of signaling regulation of biological process biological regulation positive regulation of synaptic transmission cell-cell signaling positive regulation of synaptic transmission, glutamatergic chemical synaptic transmission regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication positive regulation of signaling memory cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation cellular response to stimulus hippo signaling negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process regulation of signal transduction intracellular signal transduction negative regulation of cell communication regulation of intracellular signal transduction negative regulation of cellular process signal transduction negative regulation of response to stimulus negative regulation of hippo signaling negative regulation of signal transduction regulation of response to stimulus regulation of hippo signaling biological process involved in intraspecies interaction between organisms social behavior associative learning negative regulation of synaptic transmission regulation of biological quality regulation of synaptic plasticity long-term synaptic depression response to extracellular stimulus response to nutrient levels response to nutrient response to external stimulus vocalization behavior developmental process nervous system development cellular component biogenesis multicellular organism development cellular component assembly cell junction assembly anatomical structure development synapse assembly system development long-term synaptic potentiation regulation of cellular component organization regulation of postsynapse organization regulation of synapse organization regulation of synapse structure or activity	presynapse synapse cell junction cellular anatomical entity presynaptic active zone photoreceptor inner segment cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane growth cone axon presynapse synapse cell junction cellular anatomical entity presynaptic active zone photoreceptor inner segment cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane growth cone axon cell projection distal axon neuron projection plasma membrane bounded cell projection site of polarized growth glutamatergic synapse membrane-bounded organelle non-motile cilium 9+0 non-motile cilium cilium photoreceptor outer segment photoreceptor cell cilium organelle ciliary membrane bounding membrane of organelle organelle membrane cell projection membrane neuron to neuron synapse hippocampal mossy fiber to CA3 synapse neuron spine dendritic spine somatodendritic compartment postsynapse dendrite dendritic tree postsynaptic density postsynaptic specialization asymmetric synapse brush border membrane cluster of actin-based cell projections brush border cell body neuronal cell body polymeric cytoskeletal fiber intracellular anatomical structure neurofilament intermediate filament cytoskeleton intracellular organelle cytoskeleton intracellular non-membrane-bounded organelle intermediate filament cytoplasm supramolecular fiber supramolecular polymer supramolecular complex non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
A	IPR041489	PDZ domain 6	Domain
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR001452	SH3 domain	Domain
A	IPR001478	PDZ domain	Domain
A	IPR001660	Sterile alpha motif domain	Domain

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.