Annotations: 6H8Q

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	STAG	e6h8qA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: STAG	ECOD (1.6)
B	STAG	e6h8qB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: STAG	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF21581	Stromalin conservative domain (SCD)	Stromalin conservative domain	-	Repeat
A, B	PF08514	STAG domain (STAG)	STAG domain	-	Repeat
A, B	PF21767	Cohesin subunit SCC3, C-terminal domain (SCC3_C)	Cohesin subunit SCC3, C-terminal domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Cohesin subunit SCC3	chromatin binding binding	protein acetylation macromolecule modification metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process protein modification process protein acylation cell division cellular component organization organelle organization mitotic sister chromatid cohesion chromosome organization protein acetylation macromolecule modification metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process protein modification process protein acylation cell division cellular component organization organelle organization mitotic sister chromatid cohesion chromosome organization sister chromatid cohesion cellular component organization or biogenesis cell cycle cell cycle process chromosome segregation establishment of meiotic sister chromatid cohesion establishment of sister chromatid cohesion meiotic sister chromatid cohesion establishment of mitotic sister chromatid cohesion mitotic cell cycle mitotic cell cycle process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle organelle membraneless organelle chromosome, centromeric region intracellular membraneless organelle chromosome chromosomal region protein-containing complex cohesin complex meiotic cohesin complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle organelle membraneless organelle chromosome, centromeric region intracellular membraneless organelle chromosome chromosomal region protein-containing complex cohesin complex meiotic cohesin complex mitotic cohesin complex chromatin membrane-bounded organelle nucleus intracellular membrane-bounded organelle
C [auth G], D [auth H]	Sister chromatid cohesion protein 1	protein binding binding kinase binding enzyme binding protein kinase binding chromatin binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process double-strand break repair 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 recombinational repair cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process double-strand break repair 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 recombinational repair metabolic process macromolecule metabolic process double-strand break repair via homologous recombination DNA repair protein acetylation macromolecule modification protein metabolic process protein modification process protein acylation cell division cellular component organization organelle organization mitotic sister chromatid cohesion chromosome organization sister chromatid cohesion cellular component organization or biogenesis cell cycle cell cycle process apoptotic process cell death programmed cell death 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 chromosome segregation cell cycle G2/M phase transition G2/M transition of mitotic cell cycle cell cycle phase transition mitotic cell cycle phase transition establishment of mitotic sister chromatid cohesion establishment of sister chromatid cohesion	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle condensed nuclear chromosome nucleus membrane-enclosed lumen intracellular membraneless organelle nuclear chromosome chromosome membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle condensed nuclear chromosome nucleus membrane-enclosed lumen intracellular membraneless organelle nuclear chromosome chromosome intracellular organelle lumen organelle lumen membraneless organelle condensed chromosome nuclear lumen chromosome, centromeric region chromosomal region protein-containing complex mitotic cohesin complex cohesin complex
E	DNA (5'-D(PCPTPTPTPCPGPTPTPTPCPCPTPTPGPAPAPAPAP*A)-3')	-	-	-
F	DNA (5'-D(PCPTPTPTPCPGPTPTPTPCPCPTPTPGPAPAPAPAP*A)-3')	-	-	-
G [auth C]	DNA (5'-D(PTPTPTPTPTPCPAPAPGPGPAPAPAPCPGPAPAPAP*G)-3')	-	-	-
H [auth D]	DNA (5'-D(PCPTPTPTPCPGPTPTPTPCPCPTPTPGPAPAPAPAP*A)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR039662	Cohesin subunit Scc3/SA	Family
A, B	IPR016024	Armadillo-type fold	Homologous Superfamily
A, B	IPR048610	Cohesin subunit SCC3, C-terminal domain	Domain
A, B	IPR020839	Stromalin conservative domain	Domain
A, B	IPR013721	STAG	Domain
C [auth G], D [auth H]	IPR039781	Rad21/Rec8-like protein	Family
C [auth G], D [auth H]	IPR006910	Rad21/Rec8-like protein, N-terminal	Domain
C [auth G], D [auth H]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
C [auth G], D [auth H]	IPR023093	ScpA-like, C-terminal	Homologous Superfamily
C [auth G], D [auth H]	IPR006909	Rad21/Rec8-like protein, C-terminal, eukaryotic	Domain

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.