Annotations: 1YNZ

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ynza1	All beta proteins	SH3-like barrel	SH3-domain	automated matches	automated matches	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
A	d1ynza2	Artifacts	Tags	Tags	Tags	N-terminal Tags	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	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	8065180	4000369	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SH3-domain	8065181	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	e1ynzA1	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	Pin3p	-	regulation of Arp2/3 complex-mediated actin nucleation regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process regulation of actin filament-based process negative regulation of biological process cellular component organization regulation of actin nucleation actin filament-based process negative regulation of cellular process cellular component organization or biogenesis negative regulation of supramolecular fiber organization negative regulation of actin nucleation negative regulation of Arp2/3 complex-mediated actin nucleation regulation of Arp2/3 complex-mediated actin nucleation regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process regulation of actin filament-based process negative regulation of biological process cellular component organization regulation of actin nucleation actin filament-based process negative regulation of cellular process cellular component organization or biogenesis negative regulation of supramolecular fiber organization negative regulation of actin nucleation negative regulation of Arp2/3 complex-mediated actin nucleation regulation of biological process regulation of actin filament organization actin cytoskeleton organization negative regulation of cellular component organization negative regulation of cytoskeleton organization actin filament organization biological regulation Arp2/3 complex-mediated actin nucleation regulation of organelle organization organelle organization negative regulation of organelle organization regulation of actin cytoskeleton organization regulation of supramolecular fiber organization cellular process actin nucleation supramolecular fiber organization cytoskeleton organization	intracellular anatomical structure cell cortex cortical cytoskeleton cellular anatomical entity actin cytoskeleton intracellular organelle cell periphery endocytic patch cytoskeleton organelle intracellular non-membrane-bounded organelle cortical actin cytoskeleton actin cortical patch cytoplasm intracellular anatomical structure cell cortex cortical cytoskeleton cellular anatomical entity actin cytoskeleton intracellular organelle cell periphery endocytic patch cytoskeleton organelle intracellular non-membrane-bounded organelle cortical actin cytoskeleton actin cortical patch cytoplasm non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001452	SH3 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR050670	Signal Transducing Adapter Molecule	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.