Annotations: 3L40

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	BRCT domain-like	8090397	3000159	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	BRCT domain-like	8090396	3000159	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	BRCT domain-like	8090397	3000159	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	BRCT domain-like	8090396	3000159	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	PF16589	e3l40A2	A: a/b three-layered sandwiches	X: BRCT domain (From Topology)	H: BRCT domain (From Topology)	T: BRCT domain	F: PF16589	ECOD (1.6)
A	PF16770	e3l40A5	A: a/b three-layered sandwiches	X: BRCT domain (From Topology)	H: BRCT domain (From Topology)	T: BRCT domain	F: PF16770	ECOD (1.6)
B	PF16589	e3l40B2	A: a/b three-layered sandwiches	X: BRCT domain (From Topology)	H: BRCT domain (From Topology)	T: BRCT domain	F: PF16589	ECOD (1.6)
B	PF16770	e3l40B5	A: a/b three-layered sandwiches	X: BRCT domain (From Topology)	H: BRCT domain (From Topology)	T: BRCT domain	F: PF16770	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.10190	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	BRCT domain	CATH (4.3.0)
B	3.40.50.10190	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	BRCT domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF16770	Regulator of Ty1 transposition protein 107 BRCT domain (RTT107_BRCT_5)	Regulator of Ty1 transposition protein 107 BRCT domain	This is the fifth BRCT domain of regulator of Ty1 transposition protein 107 (RTT107). It is involved in binding phosphorylated histone H2A [1].	Domain
A, B	PF16589	BRCT domain, a BRCA1 C-terminus domain (BRCT_2)	BRCT domain, a BRCA1 C-terminus domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	BRCT-containing protein 1	chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity	localization DNA double-strand break attachment to nuclear envelope chromosome localization organelle localization chromosome attachment to the nuclear envelope cellular process cell cycle cell cycle process cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process localization DNA double-strand break attachment to nuclear envelope chromosome localization organelle localization chromosome attachment to the nuclear envelope cellular process cell cycle cell cycle process cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process macromolecule metabolic process DNA repair double-strand break repair	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle protein-containing complex protein-DNA complex chromatin chromosome heterochromatin rDNA heterochromatin chromosome, centromeric region chromosomal region site of double-strand break site of DNA damage Cul8-RING ubiquitin ligase complex cullin-RING ubiquitin ligase complex ubiquitin ligase complex catalytic complex transferase complex intracellular protein-containing complex chromosome, subtelomeric region chromosome, telomeric region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001357	BRCT domain	Domain
A, B	IPR036420	BRCT domain superfamily	Homologous Superfamily

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 R01GM133198.