Annotations: 5CEI

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Protein kinase-like (PK-like)	8079143	3000066	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	Pkinase_Tyr	e5ceiA1	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: Protein kinase	F: Pkinase_Tyr	ECOD (1.6)
B	Cyclin_N_1	e5ceiB1	A: alpha arrays	X: HTH	H: HTH	T: Cyclin-like	F: Cyclin_N_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.200.20	Alpha Beta	2-Layer Sandwich	Phosphorylase Kinase	domain 1	CATH (4.3.0)
A	1.10.510.10	Mainly Alpha	Orthogonal Bundle	Transferase(Phosphotransferase)	domain 1	CATH (4.3.0)
B	1.10.472.10	Mainly Alpha	Orthogonal Bundle	Cyclin A	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00069	Protein kinase domain (Pkinase)	Protein kinase domain	-	Domain
B	PF00134	Cyclin, N-terminal domain (Cyclin_N)	Cyclin, N-terminal domain	Cyclins regulate cyclin dependent kinases (CDKs). Swiss:P22674 is a Uracil-DNA glycosylase that is related to other cyclins [4]. Cyclins contain two domains of similar all-alpha fold, of which this family corresponds with the N-terminal domain.	Domain
B	PF16899	Cyclin C-terminal domain (Cyclin_C_2)	Cyclin C-terminal domain	Cyclins contain two domains of similar all-alpha fold, this family corresponds with the C-terminal domain of some cyclins including cyclin C and cyclin H [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Cyclin-dependent kinase 8	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding protein serine/threonine kinase activity cyclin-dependent protein serine/threonine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity cyclin-dependent protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups RNA polymerase II CTD heptapeptide repeat modifying activity RNA polymerase II CTD heptapeptide repeat kinase activity aminoacyltransferase activity ubiquitin-like protein transferase activity acyltransferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity ubiquitin-protein transferase activity protein serine kinase activity	protein phosphorylation phosphorylation primary metabolic process macromolecule modification phosphate-containing compound metabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process protein modification process phosphorus metabolic process protein ubiquitination post-translational protein modification protein modification by small protein conjugation protein phosphorylation phosphorylation primary metabolic process macromolecule modification phosphate-containing compound metabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process protein modification process phosphorus metabolic process protein ubiquitination post-translational protein modification protein modification by small protein conjugation protein modification by small protein conjugation or removal regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of biological process positive regulation of nucleobase-containing compound metabolic process biological regulation regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of triglyceride metabolic process neutral lipid metabolic process regulation of triglyceride metabolic process regulation of lipid metabolic process negative regulation of metabolic process negative regulation of biological process triglyceride metabolic process negative regulation of cellular process glycerolipid metabolic process acylglycerol metabolic process negative regulation of lipid metabolic process lipid metabolic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus cyclin-dependent protein kinase holoenzyme complex nuclear protein-containing complex intracellular membrane-bounded organelle transferase complex protein kinase complex transferase complex, transferring phosphorus-containing groups intracellular organelle cellular anatomical structure organelle membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus cyclin-dependent protein kinase holoenzyme complex nuclear protein-containing complex intracellular membrane-bounded organelle transferase complex protein kinase complex transferase complex, transferring phosphorus-containing groups intracellular organelle cellular anatomical structure organelle CKM complex serine/threonine protein kinase complex nuclear cyclin-dependent protein kinase holoenzyme complex membrane-enclosed lumen intracellular membraneless organelle nucleolus intracellular organelle lumen organelle lumen membraneless organelle nuclear lumen mediator complex nucleoplasm ubiquitin ligase complex intracellular protein-containing complex
B	Cyclin-C	enzyme regulator activity cyclin-dependent protein serine/threonine kinase regulator activity molecular function regulator activity protein kinase regulator activity kinase regulator activity identical protein binding protein binding binding	regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of biological process positive regulation of nucleobase-containing compound metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process G0 to G1 transition cell cycle cell cycle process cellular response to stimulus response to stimulus negative regulation of signaling signaling negative regulation of biological process regulation of signal transduction negative regulation of cell communication cell communication negative regulation of cellular process signal transduction regulation of signaling cell surface receptor signaling pathway negative regulation of response to stimulus negative regulation of signal transduction Notch signaling pathway negative regulation of Notch signaling pathway regulation of response to stimulus regulation of Notch signaling pathway regulation of cell communication	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus cyclin-dependent protein kinase holoenzyme complex nuclear protein-containing complex intracellular membrane-bounded organelle transferase complex protein kinase complex transferase complex, transferring phosphorus-containing groups intracellular organelle cellular anatomical structure organelle membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus cyclin-dependent protein kinase holoenzyme complex nuclear protein-containing complex intracellular membrane-bounded organelle transferase complex protein kinase complex transferase complex, transferring phosphorus-containing groups intracellular organelle cellular anatomical structure organelle CKM complex serine/threonine protein kinase complex nuclear cyclin-dependent protein kinase holoenzyme complex mediator complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017441	Protein kinase, ATP binding site	Binding Site
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR000719	Protein kinase domain	Domain
A	IPR050108	Cyclin-dependent kinase	Family
A	IPR008271	Serine/threonine-protein kinase, active site	Active Site
B	IPR031658	Cyclin, C-terminal domain 2	Domain
B	IPR006671	Cyclin, N-terminal	Domain
B	IPR036915	Cyclin-like superfamily	Homologous Superfamily
B	IPR043198	Cyclin/Cyclin-like subunit Ssn8	Family
B	IPR013763	Cyclin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P49336	adrenal cortex carcinoma colorectal adenocarcinoma lung cancer ovarian cancer pituitary cancer subependymal giant cell astrocytoma breast cancer intellectual disability medulloblastoma pancreatic intraductal papillary-mucinous neoplasm pituitary gland adenoma chronic myelogenous leukemia, BCR-ABL1 positive large cell medulloblastoma osteosarcoma Philadelphia chromosome-positive acute lymphoblastic leukemia adrenal cortex carcinoma colorectal adenocarcinoma lung cancer ovarian cancer pituitary cancer subependymal giant cell astrocytoma breast cancer intellectual disability medulloblastoma pancreatic intraductal papillary-mucinous neoplasm pituitary gland adenoma chronic myelogenous leukemia, BCR-ABL1 positive large cell medulloblastoma osteosarcoma Philadelphia chromosome-positive acute lymphoblastic leukemia psoriasis
B	Pharos: P24863	IgA glomerulonephritis ovarian cancer juvenile dermatomyositis pancreatic ductal adenocarcinoma myopathy spina bifida

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.