Annotations: 4IJ8

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SET	e4ij8A1	A: beta barrels	X: beta-clip	H: SET domain-like (From Topology)	T: SET domain-like	F: SET	ECOD (1.6)
B	SET	e4ij8B2	A: beta barrels	X: beta-clip	H: SET domain-like (From Topology)	T: SET domain-like	F: SET	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.170.270.10	Mainly Beta	Beta Complex	Beta-clip-like	SET domain	CATH (4.3.0)
B	2.170.270.10	Mainly Beta	Beta Complex	Beta-clip-like	SET domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00856	SET domain (SET)	SET domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	N-lysine methyltransferase SETD8	histone H4 methyltransferase activity catalytic activity, acting on a protein transferase activity, transferring one-carbon groups protein methyltransferase activity histone modifying activity transferase activity methyltransferase activity catalytic activity histone methyltransferase activity protein-lysine N-methyltransferase activity histone H4K20 methyltransferase activity S-adenosylmethionine-dependent methyltransferase activity lysine N-methyltransferase activity N-methyltransferase activity histone H4 methyltransferase activity catalytic activity, acting on a protein transferase activity, transferring one-carbon groups protein methyltransferase activity histone modifying activity transferase activity methyltransferase activity catalytic activity histone methyltransferase activity protein-lysine N-methyltransferase activity histone H4K20 methyltransferase activity S-adenosylmethionine-dependent methyltransferase activity lysine N-methyltransferase activity N-methyltransferase activity transcription corepressor activity transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity histone H4K20 monomethyltransferase activity	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process cellular response to stimulus regulation of DNA recombination response to stimulus regulation of double-strand break repair regulation of cellular response to stress negative regulation of DNA repair cellular response to stress response to stress regulation of response to stress negative regulation of double-strand break repair recombinational repair negative regulation of double-strand break repair via homologous recombination double-strand break repair via homologous recombination DNA repair double-strand break repair negative regulation of response to stimulus DNA recombination DNA metabolic process regulation of DNA repair regulation of double-strand break repair via homologous recombination negative regulation of DNA recombination DNA damage response regulation of response to stimulus negative regulation of DNA metabolic process regulation of DNA metabolic process cell division mitotic nuclear division mitotic chromosome condensation organelle fission chromosome organization sister chromatid segregation mitotic cell cycle cellular component organization organelle organization nuclear division mitotic cell cycle process chromosome condensation mitotic sister chromatid segregation nuclear chromosome segregation cell cycle cellular component organization or biogenesis chromosome segregation cell cycle process signaling regulation of signal transduction DNA damage response, signal transduction by p53 class mediator intracellular signal transduction cell communication regulation of intracellular signal transduction regulation of signal transduction by p53 class mediator signal transduction regulation of DNA damage response, signal transduction by p53 class mediator regulation of signaling signal transduction by p53 class mediator regulation of cell communication signal transduction in response to DNA damage peptidyl-lysine methylation organonitrogen compound metabolic process protein methylation peptidyl-lysine modification peptidyl-lysine monomethylation macromolecule methylation protein alkylation methylation macromolecule modification peptidyl-amino acid modification protein metabolic process protein modification process transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II	intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle polytene chromosome chromosome cellular anatomical entity non-membrane-bounded organelle cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle polytene chromosome chromosome cellular anatomical entity non-membrane-bounded organelle cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex protein-DNA complex chromatin
C [auth I]	helical peptide	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR046341	SET domain superfamily	Homologous Superfamily
A, B	IPR001214	SET domain	Domain
A, B	IPR016858	N-lysine methyltransferase KMT5A-like	Family
A, B	IPR047266	N-lysine methyltransferase KMT5A-like, SET domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9NQR1	osteoarthritis osteosarcoma

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.