1SCE

CRYSTAL STRUCTURE OF THE CELL CYCLE REGULATORY PROTEIN SUC1 REVEALS A NOVEL BETA-HINGE CONFORMATIONAL SWITCH

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1scea_	Alpha and beta proteins (a+b)	Cell cycle regulatory proteins	Cell cycle regulatory proteins	Cell cycle regulatory proteins	suc1	fission yeast (Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)
B	d1sceb_	Alpha and beta proteins (a+b)	Cell cycle regulatory proteins	Cell cycle regulatory proteins	Cell cycle regulatory proteins	suc1	fission yeast (Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)
C	d1scec_	Alpha and beta proteins (a+b)	Cell cycle regulatory proteins	Cell cycle regulatory proteins	Cell cycle regulatory proteins	suc1	fission yeast (Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)
D	d1sced_	Alpha and beta proteins (a+b)	Cell cycle regulatory proteins	Cell cycle regulatory proteins	Cell cycle regulatory proteins	suc1	fission yeast (Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cell cycle regulatory proteins	8035865	3000311	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cell cycle regulatory proteins	8035865	3000311	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Cell cycle regulatory proteins	8035865	3000311	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Cell cycle regulatory proteins	8035865	3000311	SCOP2B (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	CKS	e1sceA1	A: a+b complex topology	X: Cell cycle regulatory proteins (From Topology)	H: Cell cycle regulatory proteins (From Topology)	T: Cell cycle regulatory proteins	F: CKS	ECOD (1.6)
B	CKS	e1sceB1	A: a+b complex topology	X: Cell cycle regulatory proteins (From Topology)	H: Cell cycle regulatory proteins (From Topology)	T: Cell cycle regulatory proteins	F: CKS	ECOD (1.6)
C	CKS	e1sceC1	A: a+b complex topology	X: Cell cycle regulatory proteins (From Topology)	H: Cell cycle regulatory proteins (From Topology)	T: Cell cycle regulatory proteins	F: CKS	ECOD (1.6)
D	CKS	e1sceD1	A: a+b complex topology	X: Cell cycle regulatory proteins (From Topology)	H: Cell cycle regulatory proteins (From Topology)	T: Cell cycle regulatory proteins	F: CKS	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.170.10	Alpha Beta	2-Layer Sandwich	Cyclin-Dependent Kinase Subunit Type 2	Cyclin-dependent kinase, regulatory subunit	CATH (4.3.0)
B	3.30.170.10	Alpha Beta	2-Layer Sandwich	Cyclin-Dependent Kinase Subunit Type 2	Cyclin-dependent kinase, regulatory subunit	CATH (4.3.0)
C	3.30.170.10	Alpha Beta	2-Layer Sandwich	Cyclin-Dependent Kinase Subunit Type 2	Cyclin-dependent kinase, regulatory subunit	CATH (4.3.0)
D	3.30.170.10	Alpha Beta	2-Layer Sandwich	Cyclin-Dependent Kinase Subunit Type 2	Cyclin-dependent kinase, regulatory subunit	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01111	Cyclin-dependent kinase regulatory subunit (CKS)	Cyclin-dependent kinase regulatory subunit	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	SUC1	protein binding binding histone binding kinase binding enzyme binding protein kinase binding protein-containing complex binding ubiquitin binding ubiquitin-like protein binding cyclin-dependent protein serine/threonine kinase activator activity enzyme regulator activity protein serine/threonine kinase activator activity molecular function activator activity protein kinase regulator activity protein binding binding histone binding kinase binding enzyme binding protein kinase binding protein-containing complex binding ubiquitin binding ubiquitin-like protein binding cyclin-dependent protein serine/threonine kinase activator activity enzyme regulator activity protein serine/threonine kinase activator activity molecular function activator activity protein kinase regulator activity kinase activator activity enzyme activator activity cyclin-dependent protein serine/threonine kinase regulator activity molecular function regulator activity protein kinase activator activity kinase regulator activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	cellular process cell cycle regulation of mitotic cell cycle regulation of biological process regulation of cellular process biological regulation regulation of cell cycle mitotic cell cycle cell division signaling	protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cullin-RING ubiquitin ligase complex ubiquitin ligase complex SCF ubiquitin ligase complex protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cullin-RING ubiquitin ligase complex ubiquitin ligase complex SCF ubiquitin ligase complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036858	Cyclin-dependent kinase, regulatory subunit superfamily	Homologous Superfamily
A, B, C, D	IPR000789	Cyclin-dependent kinase, regulatory subunit	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.