Annotations: 6HM3

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PTCB-BRCT	e6hm3A1	A: a/b three-layered sandwiches	X: BRCT domain (From Topology)	H: BRCT domain (From Topology)	T: BRCT domain	F: PTCB-BRCT	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF12738	twin BRCT domain (PTCB-BRCT)	twin BRCT domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	S-M checkpoint control protein rad4	protein-macromolecule adaptor activity molecular adaptor activity signaling adaptor activity	cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition response to stimulus signaling G2/M transition of mitotic cell cycle negative regulation of biological process negative regulation of cell cycle cell cycle phase transition intracellular signal transduction mitotic cell cycle negative regulation of mitotic cell cycle cell communication mitotic G2/M transition checkpoint regulation of mitotic cell cycle cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition response to stimulus signaling G2/M transition of mitotic cell cycle negative regulation of biological process negative regulation of cell cycle cell cycle phase transition intracellular signal transduction mitotic cell cycle negative regulation of mitotic cell cycle cell communication mitotic G2/M transition checkpoint regulation of mitotic cell cycle mitotic DNA integrity checkpoint signaling negative regulation of cellular process negative regulation of cell cycle phase transition signal transduction cell cycle DNA replication checkpoint signaling regulation of cell cycle cell cycle process cell cycle G2/M phase transition regulation of biological process mitotic DNA replication checkpoint signaling negative regulation of mitotic cell cycle phase transition regulation of G2/M transition of mitotic cell cycle regulation of cell cycle process biological regulation DNA integrity checkpoint signaling regulation of cell cycle G2/M phase transition negative regulation of cell cycle process cell cycle checkpoint signaling regulation of mitotic cell cycle phase transition mitotic cell cycle checkpoint signaling mitotic cell cycle process negative regulation of cell cycle G2/M phase transition cellular process negative regulation of G2/M transition of mitotic cell cycle mitotic cell cycle phase transition nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication DNA replication initiation metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process DNA damage checkpoint signaling mitotic G2 DNA damage checkpoint signaling cellular response to stress response to stress mitotic DNA damage checkpoint signaling DNA damage response signal transduction in response to DNA damage	membrane-bounded organelle DNA replication preinitiation complex protein-containing complex intracellular anatomical structure protein-DNA complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen membrane-bounded organelle DNA replication preinitiation complex protein-containing complex intracellular anatomical structure protein-DNA complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen cytoplasm cytosol mitotic spindle cytoskeleton spindle intracellular non-membrane-bounded organelle microtubule cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage chromosome microtubule organizing center spindle pole body mitotic spindle pole body chromatin
B	DNA replication regulator sld3	-	mitotic DNA replication DNA-templated DNA replication DNA replication initiation cell cycle DNA replication initiation nuclear DNA replication cell cycle DNA replication primary metabolic process DNA metabolic process mitotic DNA replication initiation nucleic acid metabolic process mitotic cell cycle nucleobase-containing compound metabolic process nuclear cell cycle DNA replication initiation DNA replication mitotic cell cycle process mitotic DNA replication DNA-templated DNA replication DNA replication initiation cell cycle DNA replication initiation nuclear DNA replication cell cycle DNA replication primary metabolic process DNA metabolic process mitotic DNA replication initiation nucleic acid metabolic process mitotic cell cycle nucleobase-containing compound metabolic process nuclear cell cycle DNA replication initiation DNA replication mitotic cell cycle process metabolic process cellular process macromolecule metabolic process cell cycle cell cycle process sexual reproduction reproductive process meiotic cell cycle	membrane-bounded organelle DNA replication preinitiation complex protein-containing complex intracellular anatomical structure protein-DNA complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen membrane-bounded organelle DNA replication preinitiation complex protein-containing complex intracellular anatomical structure protein-DNA complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001357	BRCT domain	Domain
A	IPR036420	BRCT domain superfamily	Homologous Superfamily
B	IPR013948	DNA replication regulator Sld3, C-terminal	Domain
B	IPR042511	DNA replication regulator Sld3	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B	TPO	Parent Component: THR RESID: AA0038 PSI-MOD : O-phospho-L-threonine MOD:00047

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.