Annotations: 7NJ1

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF03568	Peptidase family C50 (Peptidase_C50)	Peptidase family C50	-	Family
B	PF04856	Securin sister-chromatid separation inhibitor (Securin)	Securin sister-chromatid separation inhibitor	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Separin	catalytic activity cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity endopeptidase activity	mitotic cell cycle process cytoskeleton-dependent cytokinesis mitotic cytokinesis cellular process cytokinesis cell division cell cycle mitotic cell cycle cell cycle process mitotic nuclear division organelle fission chromosome organization sister chromatid segregation cellular component organization mitotic cell cycle process cytoskeleton-dependent cytokinesis mitotic cytokinesis cellular process cytokinesis cell division cell cycle mitotic cell cycle cell cycle process mitotic nuclear division organelle fission chromosome organization sister chromatid segregation cellular component organization organelle organization nuclear division chromosome separation mitotic sister chromatid segregation nuclear chromosome segregation mitotic sister chromatid separation cellular component organization or biogenesis chromosome segregation sexual reproduction reproductive process microtubule cytoskeleton organization meiotic cell cycle meiotic spindle organization meiotic cell cycle process microtubule-based process cytoskeleton organization spindle organization positive regulation of organelle organization regulation of cell cycle phase transition regulation of cellular process regulation of mitotic nuclear division positive regulation of mitotic nuclear division positive regulation of mitotic metaphase/anaphase transition positive regulation of mitotic cell cycle phase transition regulation of biological process regulation of cell cycle process positive regulation of nuclear division regulation of chromosome organization regulation of organelle organization regulation of mitotic cell cycle phase transition regulation of chromosome separation regulation of chromosome segregation regulation of metaphase/anaphase transition of cell cycle regulation of cellular component organization regulation of mitotic sister chromatid separation positive regulation of cellular component organization positive regulation of biological process cell cycle phase transition regulation of mitotic metaphase/anaphase transition regulation of mitotic cell cycle positive regulation of metaphase/anaphase transition of cell cycle positive regulation of cell cycle process positive regulation of mitotic cell cycle regulation of cell cycle positive regulation of cellular process biological regulation positive regulation of cell cycle regulation of sister chromatid segregation positive regulation of cell cycle phase transition positive regulation of mitotic sister chromatid separation regulation of nuclear division metaphase/anaphase transition of mitotic cell cycle positive regulation of chromosome separation metaphase/anaphase transition of cell cycle mitotic cell cycle phase transition meiotic chromosome segregation meiotic chromosome separation meiotic nuclear division meiosis I meiosis I cell cycle process homologous chromosome segregation apoptotic process cell death programmed cell death establishment of organelle localization cellular localization spindle localization establishment of localization localization establishment of mitotic spindle localization establishment of spindle localization organelle localization establishment of localization in cell microtubule cytoskeleton organization involved in mitosis organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process negative regulation of biological process negative regulation of cell cycle negative regulation of sister chromatid cohesion negative regulation of chromosome organization negative regulation of cellular process negative regulation of cellular component organization sister chromatid cohesion negative regulation of cell cycle process negative regulation of organelle organization regulation of sister chromatid cohesion	intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle cellular anatomical entity microtubule cytoskeleton non-membrane-bounded organelle cytoplasm cytosol mitotic spindle spindle intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle cellular anatomical entity microtubule cytoskeleton non-membrane-bounded organelle cytoplasm cytosol mitotic spindle spindle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B	Securin	SH3 domain binding protein binding binding protein domain specific binding molecular function activator activity molecular function regulator activity enzyme regulator activity molecular function inhibitor activity peptidase regulator activity enzyme inhibitor activity cysteine-type endopeptidase inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	cellular component organization organelle organization chromosome organization cellular process cellular component organization or biogenesis developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation cellular response to stimulus cellular component organization organelle organization chromosome organization cellular process cellular component organization or biogenesis developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation 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 cell division meiotic chromosome segregation meiotic cell cycle organelle fission meiotic cell cycle process nuclear division meiosis I meiosis I cell cycle process nuclear chromosome segregation meiotic nuclear division homologous chromosome segregation cell cycle chromosome segregation cell cycle process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005314	Peptidase C50, separase	Family
A	IPR030397	SEPARIN core domain	Domain
B	IPR006940	Securin sister-chromatid separation inhibitor	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q14674	transitional cell carcinoma adenoid cystic carcinoma salivary gland adenoid cystic carcinoma urinary bladder cancer ovarian cancer psoriasis Salivary Gland Neoplasms urinary bladder neoplasm atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma malignant ependymoma osteoporosis pancreatic intraductal papillary-mucinous neoplasm adrenal cortex carcinoma transitional cell carcinoma adenoid cystic carcinoma salivary gland adenoid cystic carcinoma urinary bladder cancer ovarian cancer psoriasis Salivary Gland Neoplasms urinary bladder neoplasm atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma malignant ependymoma osteoporosis pancreatic intraductal papillary-mucinous neoplasm adrenal cortex carcinoma breast cancer hypospadias lung cancer malignant glioma medulloblastoma osteosarcoma primitive neuroectodermal tumor salivary gland cancer atopic eczema esophageal adenocarcinoma invasive ductal breast carcinoma malignant colon neoplasm malignant mesothelioma non-small cell lung carcinoma
B	Pharos: O95997	psoriasis Sjogren syndrome myositis ovarian cancer primitive neuroectodermal tumor pustulosis palmaris et plantaris adrenal cortex carcinoma atypical teratoid rhabdoid tumor systemic sclerosis cancer glioblastoma invasive ductal breast carcinoma lung cancer malignant pancreatic neoplasm non-small cell lung carcinoma psoriasis Sjogren syndrome myositis ovarian cancer primitive neuroectodermal tumor pustulosis palmaris et plantaris adrenal cortex carcinoma atypical teratoid rhabdoid tumor systemic sclerosis cancer glioblastoma invasive ductal breast carcinoma lung cancer malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma rheumatoid arthritis allergic rhinitis Sjogren's Syndrome breast cancer ductal breast carcinoma in situ hepatocellular carcinoma large cell medulloblastoma malignant colon neoplasm medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm atopic eczema systemic lupus erythematosus breast carcinoma endometriosis IgA glomerulonephritis lung adenocarcinoma malignant glioma

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.