Annotations: 3PLW

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	P1 bacteriophage Ref-like	8046148	4004908	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	His-Me finger endonucleases	8092969	3001893	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	Kazal_2	e3plwA1	A: a/b three-layered sandwiches	X: Hormone receptor domain (HRM, Pfam 02793)	H: Hormone receptor domain (HRM, Pfam 02793)	T: Hormone receptor domain (HRM, Pfam 02793)	F: Kazal_2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.40.190	Alpha Beta	2-Layer Sandwich	Herpes Virus-1		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF16786	Recombination enhancement, RecA-dependent nuclease (RecA_dep_nuc)	Recombination enhancement, RecA-dependent nuclease	REF is a family of P1-like phage RecA-dependent nucleases. It does not appear to act as a positive RecA regulator. It is a new kind of enzyme, a RecA-dependent nuclease [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Recombination enhancement function protein	enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair DNA recombination	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR031875	Recombination enhancement, RecA-dependent nuclease	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.