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5U1S

Crystal structure of the Saccharomyces cerevisiae separase-securin complex at 3.0 angstrom resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0000070biological_processmitotic sister chromatid segregation
A0000280biological_processnuclear division
A0004197molecular_functioncysteine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005816cellular_componentspindle pole body
A0005819cellular_componentspindle
A0005856cellular_componentcytoskeleton
A0006508biological_processproteolysis
A0006915biological_processapoptotic process
A0007059biological_processchromosome segregation
A0007135biological_processmeiosis II
A0008233molecular_functionpeptidase activity
A0008234molecular_functioncysteine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0031536biological_processpositive regulation of exit from mitosis
A0032888biological_processregulation of mitotic spindle elongation
A0044732cellular_componentmitotic spindle pole body
A0051307biological_processmeiotic chromosome separation
A0072686cellular_componentmitotic spindle
A0098813biological_processnuclear chromosome segregation
A1902104biological_processpositive regulation of metaphase/anaphase transition of meiotic cell cycle
A1904750biological_processnegative regulation of protein localization to nucleolus
A1990520cellular_componentseparase-securin complex
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0051276biological_processchromosome organization
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues99
DetailsDomain: {"description":"Peptidase C50"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"12050115","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by CDC28","evidences":[{"source":"PubMed","id":"12050115","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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