Annotations: 4YOS

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	RB_A	e4yosA1	A: alpha arrays	X: HTH	H: HTH	T: Cyclin-like	F: RB_A	ECOD (1.6)
A	RB_B	e4yosA2	A: alpha arrays	X: HTH	H: HTH	T: Cyclin-like	F: RB_B	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	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	PF01857	Retinoblastoma-associated protein B domain (RB_B)	Retinoblastoma-associated protein B domain	The crystal structure of the Rb pocket bound to a nine-residue E7 peptide containing the LxCxE motif, shared by other Rb-binding viral and cellular proteins, shows that the LxCxE peptide binds a highly conserved groove on the B domain [1]. The B dom ...	The crystal structure of the Rb pocket bound to a nine-residue E7 peptide containing the LxCxE motif, shared by other Rb-binding viral and cellular proteins, shows that the LxCxE peptide binds a highly conserved groove on the B domain [1]. The B domain has a cyclin fold.	Domain
A	PF01858	Retinoblastoma-associated protein A domain (RB_A)	Retinoblastoma-associated protein A domain	This domain has the cyclin fold [1] as predicted [2].	Domain
B [auth E]	PF10044	Retinal tissue protein (LIN52)	Retinal tissue protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Retinoblastoma-like protein 1,Retinoblastoma-like protein 1	protein-containing complex binding chromatin binding binding promoter-specific chromatin binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding transcription regulatory region nucleic acid binding	regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II organic substance metabolic process organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II organic substance metabolic process organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process cell cycle regulation of cell cycle protein-DNA complex organization cellular component organization protein-containing complex organization chromatin organization cellular component organization or biogenesis developmental process cellular developmental process cell differentiation regulation of cell cycle phase transition negative regulation of biological process negative regulation of cell cycle cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition mitotic cell cycle negative regulation of mitotic cell cycle regulation of mitotic cell cycle negative regulation of cellular process negative regulation of cell cycle phase transition cell cycle process negative regulation of G1/S transition of mitotic cell cycle negative regulation of mitotic cell cycle phase transition regulation of cell cycle process negative regulation of cell cycle G1/S phase transition negative regulation of cell cycle process regulation of mitotic cell cycle phase transition mitotic cell cycle process regulation of G1/S transition of mitotic cell cycle G1/S transition of mitotic cell cycle mitotic cell cycle phase transition cellular response to stimulus response to stimulus regulation of cellular senescence negative regulation of metabolic process cellular senescence negative regulation of cellular metabolic process negative regulation of cellular senescence cellular response to stress response to stress negative regulation of macromolecule metabolic process negative regulation of cellular biosynthetic process negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA biosynthetic process negative regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of RNA metabolic process regulation of catalytic activity phosphorylation regulation of transferase activity regulation of molecular function regulation of lipid kinase activity regulation of kinase activity regulation of phosphate metabolic process phosphate-containing compound metabolic process regulation of phosphorylation regulation of phosphorus metabolic process phosphorus metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity protein-containing complex transcription regulator complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity protein-containing complex transcription regulator complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-DNA complex intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle
B [auth E]	Protein lin-52 homolog	-	regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process cellular process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process	membrane-bounded organelle RNA polymerase II transcription repressor complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle cellular anatomical entity DRM complex intracellular organelle organelle transcription repressor complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR002720	Retinoblastoma-associated protein, A-box	Domain
A	IPR048465	Maestro, HEAT repeats	Repeat
A	IPR028309	Retinoblastoma protein family	Family
A	IPR002719	Retinoblastoma-associated protein, B-box	Domain
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR015030	Retinoblastoma-associated protein, C-terminal	Domain
A	IPR036915	Cyclin-like superfamily	Homologous Superfamily
A	IPR013763	Cyclin-like domain	Domain
A	IPR002720	Retinoblastoma-associated protein, A-box	Domain
A	IPR024599	Retinoblastoma-associated protein, N-terminal	Domain
A	IPR028309	Retinoblastoma protein family	Family
A	IPR002719	Retinoblastoma-associated protein, B-box	Domain
A	IPR015030	Retinoblastoma-associated protein, C-terminal	Domain
A	IPR036915	Cyclin-like superfamily	Homologous Superfamily
A	IPR013763	Cyclin-like domain	Domain
B [auth E]	IPR018737	Protein LIN52	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P28749	adrenal cortex carcinoma gastric cancer large cell medulloblastoma osteosarcoma tuberculosis atypical teratoid rhabdoid tumor gastric carcinoma malignant glioma pilocytic astrocytoma eye disease glioblastoma medulloblastoma primitive neuroectodermal tumor

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B [auth E]	SEP	Parent Component: SER RESID: AA0037 PSI-MOD : O-phospho-L-serine MOD:00046

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.