1RQF

Structure of CK2 beta subunit crystallized in the presence of a p21WAF1 peptide

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	d1rqfa_	Small proteins	Rubredoxin-like	Casein kinase II beta subunit	Casein kinase II beta subunit	Casein kinase II beta subunit	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
F [auth H]	d1rqfh_	Small proteins	Rubredoxin-like	Casein kinase II beta subunit	Casein kinase II beta subunit	Casein kinase II beta subunit	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
B	d1rqfb_	Small proteins	Rubredoxin-like	Casein kinase II beta subunit	Casein kinase II beta subunit	Casein kinase II beta subunit	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
C [auth D]	d1rqfd_	Small proteins	Rubredoxin-like	Casein kinase II beta subunit	Casein kinase II beta subunit	Casein kinase II beta subunit	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
D [auth E]	d1rqfe_	Small proteins	Rubredoxin-like	Casein kinase II beta subunit	Casein kinase II beta subunit	Casein kinase II beta subunit	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
E [auth G]	d1rqfg_	Small proteins	Rubredoxin-like	Casein kinase II beta subunit	Casein kinase II beta subunit	Casein kinase II beta subunit	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
G [auth J]	d1rqfj_	Small proteins	Rubredoxin-like	Casein kinase II beta subunit	Casein kinase II beta subunit	Casein kinase II beta subunit	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
H [auth K]	d1rqfk_	Small proteins	Rubredoxin-like	Casein kinase II beta subunit	Casein kinase II beta subunit	Casein kinase II beta subunit	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Casein kinase II beta subunit	8029923	4003682	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Casein kinase II beta subunit	8042302	3001271	SCOP2 (2022-06-29)
F [auth H]	SCOP2B Superfamily	Casein kinase II beta subunit	8042302	3001271	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Casein kinase II beta subunit	8042302	3001271	SCOP2B (2022-06-29)
C [auth D]	SCOP2B Superfamily	Casein kinase II beta subunit	8042302	3001271	SCOP2B (2022-06-29)
D [auth E]	SCOP2B Superfamily	Casein kinase II beta subunit	8042302	3001271	SCOP2B (2022-06-29)
E [auth G]	SCOP2B Superfamily	Casein kinase II beta subunit	8042302	3001271	SCOP2B (2022-06-29)
G [auth J]	SCOP2B Superfamily	Casein kinase II beta subunit	8042302	3001271	SCOP2B (2022-06-29)
H [auth K]	SCOP2B Superfamily	Casein kinase II beta subunit	8042302	3001271	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	PF01214	e1rqfA1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Casein kinase II beta subunit	F: PF01214	ECOD (1.6)
F [auth H]	PF01214	e1rqfH1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Casein kinase II beta subunit	F: PF01214	ECOD (1.6)
B	PF01214	e1rqfB1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Casein kinase II beta subunit	F: PF01214	ECOD (1.6)
C [auth D]	PF01214	e1rqfD1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Casein kinase II beta subunit	F: PF01214	ECOD (1.6)
D [auth E]	PF01214	e1rqfE1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Casein kinase II beta subunit	F: PF01214	ECOD (1.6)
E [auth G]	PF01214	e1rqfG1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Casein kinase II beta subunit	F: PF01214	ECOD (1.6)
G [auth J]	PF01214	e1rqfJ1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Casein kinase II beta subunit	F: PF01214	ECOD (1.6)
H [auth K]	PF01214	e1rqfK1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Casein kinase II beta subunit	F: PF01214	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.1820.10	Mainly Alpha	Orthogonal Bundle	protein kinase ck2 holoenzyme, chain C, domain 1	protein kinase ck2 holoenzyme, chain C, domain 1	CATH (4.3.0)
A	2.20.25.20	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
F [auth H]	1.10.1820.10	Mainly Alpha	Orthogonal Bundle	protein kinase ck2 holoenzyme, chain C, domain 1	protein kinase ck2 holoenzyme, chain C, domain 1	CATH (4.3.0)
F [auth H]	2.20.25.20	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
B	1.10.1820.10	Mainly Alpha	Orthogonal Bundle	protein kinase ck2 holoenzyme, chain C, domain 1	protein kinase ck2 holoenzyme, chain C, domain 1	CATH (4.3.0)
B	2.20.25.20	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
C [auth D]	1.10.1820.10	Mainly Alpha	Orthogonal Bundle	protein kinase ck2 holoenzyme, chain C, domain 1	protein kinase ck2 holoenzyme, chain C, domain 1	CATH (4.3.0)
C [auth D]	2.20.25.20	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
D [auth E]	1.10.1820.10	Mainly Alpha	Orthogonal Bundle	protein kinase ck2 holoenzyme, chain C, domain 1	protein kinase ck2 holoenzyme, chain C, domain 1	CATH (4.3.0)
D [auth E]	2.20.25.20	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
E [auth G]	1.10.1820.10	Mainly Alpha	Orthogonal Bundle	protein kinase ck2 holoenzyme, chain C, domain 1	protein kinase ck2 holoenzyme, chain C, domain 1	CATH (4.3.0)
E [auth G]	2.20.25.20	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
G [auth J]	1.10.1820.10	Mainly Alpha	Orthogonal Bundle	protein kinase ck2 holoenzyme, chain C, domain 1	protein kinase ck2 holoenzyme, chain C, domain 1	CATH (4.3.0)
G [auth J]	2.20.25.20	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
H [auth K]	1.10.1820.10	Mainly Alpha	Orthogonal Bundle	protein kinase ck2 holoenzyme, chain C, domain 1	protein kinase ck2 holoenzyme, chain C, domain 1	CATH (4.3.0)
H [auth K]	2.20.25.20	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C [auth D], D [auth E], E [auth G], A, B, C [auth D], D [auth E], E [auth G], F [auth H], G [auth J], H [auth K]	PF01214	Casein kinase II regulatory subunit (CK_II_beta)	Casein kinase II regulatory subunit	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C [auth D], D [auth E], E [auth G], A, B, C [auth D], D [auth E], E [auth G], F [auth H], G [auth J], H [auth K]	Casein kinase II beta chain	cation binding ion binding binding metal ion binding small molecule binding enzyme regulator activity molecular function regulator activity protein kinase regulator activity kinase regulator activity	cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cell communication cellular process signal transduction Wnt signaling pathway	protein kinase complex transferase complex, transferring phosphorus-containing groups protein kinase CK2 complex protein-containing complex catalytic complex serine/threonine protein kinase complex transferase complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle protein kinase complex transferase complex, transferring phosphorus-containing groups protein kinase CK2 complex protein-containing complex catalytic complex serine/threonine protein kinase complex transferase complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity
I [auth M], J [auth N], N [auth T]	Disordered segment of Cyclin-dependent kinase inhibitor 1	-	-	-
K [auth O]	Disordered segment of Cyclin-dependent kinase inhibitor 1	-	-	-
L [auth P], M [auth S]	Disordered segment of Cyclin-dependent kinase inhibitor 1	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C [auth D], D [auth E], E [auth G], A, B, C [auth D], D [auth E], E [auth G], F [auth H], G [auth J], H [auth K]	IPR035991	Casein kinase II subunit beta-like	Homologous Superfamily
A, B, C [auth D], D [auth E], E [auth G], A, B, C [auth D], D [auth E], E [auth G], F [auth H], G [auth J], H [auth K]	IPR000704	Casein kinase II, regulatory subunit	Family
A, B, C [auth D], D [auth E], E [auth G], A, B, C [auth D], D [auth E], E [auth G], F [auth H], G [auth J], H [auth K]	IPR016149	Casein kinase II, regulatory subunit, N-terminal	Homologous Superfamily

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.