4IIO

Crystal Structure of the Second SH3 Domain of ITSN2 Bound with a Synthetic Peptide

External Resource: Annotation

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
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SH3-domain	8037910	3000153	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SH3-domain	8037910	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	e4iioA1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)
B	SH3_1	e4iioB1	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)
B	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, B	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, B	Intersectin-2	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity molecular adaptor activity	developmental process cellular developmental process cell differentiation cellular process localization cellular localization transport establishment of localization in cell intracellular transport establishment of localization vesicle-mediated transport endosomal transport synaptic vesicle endocytosis import into cell developmental process cellular developmental process cell differentiation cellular process localization cellular localization transport establishment of localization in cell intracellular transport establishment of localization vesicle-mediated transport endosomal transport synaptic vesicle endocytosis import into cell synaptic vesicle cycle presynaptic endocytosis vesicle-mediated transport in synapse synaptic vesicle endosomal processing synaptic vesicle recycling via endosome synaptic vesicle recycling clathrin-dependent synaptic vesicle endocytosis clathrin-dependent endocytosis receptor-mediated endocytosis endocytosis multicellular organismal process regulation of growth regulation of cellular process developmental growth cell projection organization neuron projection development regulation of cell morphogenesis positive regulation of developmental process multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis anatomical structure development positive regulation of developmental growth system development regulation of biological process nervous system development developmental growth involved in morphogenesis generation of neurons positive regulation of dendrite extension regulation of cellular component organization regulation of developmental process plasma membrane bounded cell projection morphogenesis positive regulation of biological process cell development cell growth cell morphogenesis cellular component organization neurogenesis cellular component organization or biogenesis dendrite extension positive regulation of cellular process regulation of anatomical structure morphogenesis neuron projection extension regulation of developmental growth plasma membrane bounded cell projection organization developmental cell growth growth biological regulation regulation of dendrite extension positive regulation of cell growth regulation of cell growth anatomical structure morphogenesis positive regulation of growth neuron development	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular organelle centrosome microtubule organizing center intracellular anatomical structure extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle microtubule cytoskeleton cytoplasm cytosol cell periphery plasma membrane membrane presynapse synapse cell junction presynaptic membrane plasma membrane region synaptic membrane intracellular vesicle intracellular membrane-bounded organelle
C	Synthetic Peptide	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001849	Pleckstrin homology domain	Domain
A, B	IPR000219	Dbl homology (DH) domain	Domain
A, B	IPR000261	EH domain	Domain
A, B	IPR035740	Intersectin-2, fourth SH3 domain	Domain
A, B	IPR035739	Intersectin-2, third SH3 domain	Domain
A, B	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A, B	IPR000008	C2 domain	Domain
A, B	IPR011993	PH-like domain superfamily	Homologous Superfamily
A, B	IPR035737	Intersectin-2, first SH3 domain	Domain
A, B	IPR002048	EF-hand domain	Domain
A, B	IPR011992	EF-hand domain pair	Homologous Superfamily
A, B	IPR035741	Intersectin-2, fifth SH3 domain	Domain
A, B	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A, B	IPR001452	SH3 domain	Domain
A, B	IPR035738	Intersectin-2, second SH3 domain	Domain
A, B	IPR051480	Endocytic & GEF Adapter	Family
A, B	IPR035892	C2 domain superfamily	Homologous Superfamily
A, B	IPR035899	Dbl homology (DH) domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9NZM3	Neoplasm Recurrence, Local prostate cancer breast carcinoma atypical teratoid rhabdoid tumor dermatomyositis large cell medulloblastoma breast cancer endogenous depression medulloblastoma osteosarcoma Sjogren syndrome glioblastoma myopathy ovarian cancer psoriasis

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
C	ACE	RESID: AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 PSI-MOD : N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359

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.