Annotations: 5SV2

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PIN	e5sv2A1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01850	PIN domain (PIN)	PIN domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ribonuclease VapC21	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding endonuclease activity nuclease activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity	regulation of biological process regulation of growth negative regulation of growth negative regulation of biological process biological regulation growth	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002716	PIN domain	Domain
A	IPR029060	PIN-like domain superfamily	Homologous Superfamily
A	IPR022907	VapC family	Family
A	IPR050556	Type II toxin-antitoxin system RNase	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.