Annotations: 2R3A

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Histone lysine methyltransferases	8088642	4000376	SCOP2 (2022-06-29)
A	SCOP2 Family	preSET domain-like	8092241	4007508	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SET domain	8088643	3000162	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	CXC domain-like	8092242	3002037	SCOP2 (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	PF00856	e2r3aA2	A: beta barrels	X: beta-clip	H: SET domain-like (From Topology)	T: SET domain-like	F: PF00856	ECOD (1.6)
A	PF05033	e2r3aA1	A: few secondary structure elements	X: Zn3Cys9 preSET domain-related (From Topology)	H: Zn3Cys9 preSET domain-related (From Topology)	T: Zn3Cys9 preSET domain-related	F: PF05033	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00856	SET domain (SET)	SET domain	-	Family
A	PF05033	Pre-SET motif (Pre-SET)	Pre-SET motif	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Histone-lysine N-methyltransferase SUV39H2	protein-lysine N-methyltransferase activity histone H3 methyltransferase activity catalytic activity, acting on a protein transferase activity, transferring one-carbon groups histone H3K9 methyltransferase activity transferase activity histone H3K9 trimethyltransferase activity S-adenosylmethionine-dependent methyltransferase activity histone methyltransferase activity lysine N-methyltransferase activity protein methyltransferase activity histone modifying activity N-methyltransferase activity methyltransferase activity catalytic activity protein-lysine N-methyltransferase activity histone H3 methyltransferase activity catalytic activity, acting on a protein transferase activity, transferring one-carbon groups histone H3K9 methyltransferase activity transferase activity histone H3K9 trimethyltransferase activity S-adenosylmethionine-dependent methyltransferase activity histone methyltransferase activity lysine N-methyltransferase activity protein methyltransferase activity histone modifying activity N-methyltransferase activity methyltransferase activity catalytic activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding cation binding ion binding S-adenosyl-L-methionine binding sulfur compound binding small molecule binding ubiquitin-like ligase-substrate adaptor activity enzyme-substrate adaptor activity protein-macromolecule adaptor activity molecular adaptor activity transition metal ion binding zinc ion binding metal ion binding	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 developmental process cellular developmental process cell differentiation rhythmic process circadian rhythm response to decreased oxygen levels cellular response to stimulus response to stimulus cellular response to oxygen levels cellular response to hypoxia cellular response to decreased oxygen levels cellular response to chemical stimulus cellular response to stress response to hypoxia response to stress response to chemical response to oxygen levels response to abiotic stimulus methylation protein-DNA complex organization cellular component organization chromatin organization chromatin remodeling cellular component organization or biogenesis protein-containing complex organization epigenetic regulation of gene expression negative regulation of gene expression negative regulation of gene expression, epigenetic cell cycle epigenetic programming in the zygotic pronuclei epigenetic programming of gene expression 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 chromosome, centromeric region chromosome cellular anatomical entity chromosomal region non-membrane-bounded organelle membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle chromosome, centromeric region chromosome cellular anatomical entity chromosomal region non-membrane-bounded organelle 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR007728	Pre-SET domain	Domain
A	IPR046341	SET domain superfamily	Homologous Superfamily
A	IPR023780	Chromo domain	Domain
A	IPR001214	SET domain	Domain
A	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
A	IPR023779	Chromo domain, conserved site	Conserved Site
A	IPR011381	Histone-lysine N-methyltransferase SUV39H1/2-like	Family
A	IPR003616	Post-SET domain	Domain
A	IPR000953	Chromo/chromo shadow domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9H5I1	atypical teratoid rhabdoid tumor large cell medulloblastoma malignant mesothelioma nasopharyngeal carcinoma primitive neuroectodermal tumor breast cancer lung cancer Malignant neoplasm of breast non-small cell lung carcinoma invasive ductal breast carcinoma lung carcinoma medulloblastoma ovarian cancer

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.