Annotations: 4XDN

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Cohesin loading factor-like	8044718	4004098	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	TPR-like	8052240	3001345	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	Cohesin_load	e4xdnA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: Cohesin_load	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF10345	Cohesin loading factor (Cohesin_load)	Cohesin loading factor	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Sister chromatid cohesion protein 2	cohesin loader activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity chromatin binding binding sequence-specific DNA binding DNA binding nucleic acid binding	cellular response to stimulus double-strand break repair response to stimulus DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process replication-born double-strand break repair via sister chromatid exchange cellular response to stress DNA damage response response to stress recombinational repair metabolic process cellular response to stimulus double-strand break repair response to stimulus DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process replication-born double-strand break repair via sister chromatid exchange cellular response to stress DNA damage response response to stress recombinational repair metabolic process cellular process macromolecule metabolic process double-strand break repair via homologous recombination DNA repair cellular component organization organelle organization chromosome organization cellular component organization or biogenesis transcription-dependent tethering of RNA polymerase II gene DNA at nuclear periphery localization protein localization to chromatin protein localization to chromosome protein localization to organelle macromolecule localization intracellular protein localization regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process regulation of macromolecule biosynthetic process regulation of metabolic process mitotic nuclear division mitotic chromosome condensation organelle fission sister chromatid segregation mitotic cell cycle nuclear division mitotic cell cycle process chromosome condensation mitotic sister chromatid segregation nuclear chromosome segregation cell cycle chromosome segregation cell cycle process rDNA chromatin condensation nucleolar chromatin organization nucleus organization nucleolus organization chromatin organization mitotic sister chromatid cohesion establishment of mitotic sister chromatid cohesion sister chromatid cohesion establishment of sister chromatid cohesion chromatin looping tRNA gene clustering establishment of protein localization establishment of protein localization to organelle establishment of protein localization to chromosome establishment of protein localization to chromatin establishment of localization	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle SMC loading complex cellular anatomical structure Scc2-Scc4 cohesin loading complex organelle cytoplasm cytosol membraneless organelle membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle SMC loading complex cellular anatomical structure Scc2-Scc4 cohesin loading complex organelle cytoplasm cytosol membraneless organelle chromosome, centromeric region intracellular membraneless organelle chromosome chromosomal region chromatin 2-micrometer circle DNA extrachromosomal circular DNA extrachromosomal DNA
A	MAU2 chromatid cohesion factor homolog	sequence-specific DNA binding DNA binding binding nucleic acid binding kinetochore binding	mitotic nuclear division mitotic chromosome condensation organelle fission chromosome organization sister chromatid segregation mitotic cell cycle cellular component organization organelle organization nuclear division mitotic cell cycle process chromosome condensation mitotic sister chromatid segregation nuclear chromosome segregation cellular process mitotic nuclear division mitotic chromosome condensation organelle fission chromosome organization sister chromatid segregation mitotic cell cycle cellular component organization organelle organization nuclear division mitotic cell cycle process chromosome condensation mitotic sister chromatid segregation nuclear chromosome segregation cellular process cell cycle cellular component organization or biogenesis chromosome segregation cell cycle process cellular response to stimulus double-strand break repair 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 macromolecule metabolic process DNA repair rDNA chromatin condensation nucleolar chromatin organization nucleus organization nucleolus organization chromatin organization mitotic sister chromatid cohesion establishment of mitotic sister chromatid cohesion sister chromatid cohesion establishment of sister chromatid cohesion localization establishment of protein localization establishment of protein localization to organelle establishment of protein localization to chromosome establishment of protein localization to chromatin establishment of localization cell division	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle protein-containing complex SMC loading complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR033031	Scc2/Nipped-B family	Family
B	IPR016024	Armadillo-type fold	Homologous Superfamily
B	IPR024986	Sister chromatid cohesion C-terminal domain	Domain
B	IPR026003	HEAT repeat associated with sister chromatid cohesion protein	Repeat
A	IPR019440	Chromatid cohesion factor MAU2	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.