6BOX | pdb_00006box

Structure of the S. pombe Clr4 catalytic domain bound to SAH

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	SET domain	8043806	3000162	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	CXC domain-like	8051804	3002037	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	CXC domain-like	8051804	3002037	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	SET domain	8043806	3000162	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)
B		e6boxB1	A: L-aspartase middle domain-like	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: PRP8_domainIV	F:	ECOD (20:10:01)
A		e6boxA1	A: L-aspartase middle domain-like	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: Cadherin	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.170.270.10	Mainly Beta	Beta Complex	Beta-clip-like	SET domain	CATH (4.3.0)
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, B	PF00856	SET domain (SET)	SET domain	-	Family
A, B	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, B	Histone-lysine N-methyltransferase, H3 lysine-9 specific	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 histone H3K9me2/3 reader activity histone reader activity histone H3 reader activity chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity histone H3K9 monomethyltransferase activity ubiquitin-modified protein reader activity ubiquitin-modified histone reader activity ubiquitin-like protein reader activity RNA binding binding nucleic acid binding single-stranded RNA binding protein binding ubiquitin binding ubiquitin-like protein binding histone H3K9me2 methyltransferase activity DNA binding double-stranded DNA binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding protein-containing complex binding chromatin binding nucleosome binding single-stranded DNA binding	regulation of cellular process negative regulation of biological process cellular component organization cellular component biogenesis cellular component assembly chromatin organization negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process heterochromatin formation epigenetic regulation of gene expression regulation of cellular process negative regulation of biological process cellular component organization cellular component biogenesis cellular component assembly chromatin organization negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process heterochromatin formation epigenetic regulation of gene expression negative regulation of metabolic process biological regulation siRNA-independent facultative heterochromatin formation heterochromatin organization regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process facultative heterochromatin formation cellular process negative regulation of gene expression, epigenetic regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process methylation constitutive heterochromatin formation silent mating-type cassette heterochromatin formation pericentric heterochromatin organization pericentric heterochromatin formation siRNA-mediated heterochromatin formation siRNA-mediated pericentric heterochromatin formation regulatory ncRNA-mediated gene silencing regulatory ncRNA-mediated heterochromatin formation subtelomeric heterochromatin formation co-transcriptional gene silencing by RNA interference machinery	intracellular anatomical structure chromosome, subtelomeric region intracellular membraneless organelle chromatin chromosome heterochromatin chromosomal region intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, telomeric region subtelomeric heterochromatin mating-type region heterochromatin intracellular anatomical structure chromosome, subtelomeric region intracellular membraneless organelle chromatin chromosome heterochromatin chromosomal region intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, telomeric region subtelomeric heterochromatin mating-type region heterochromatin membrane-bounded organelle protein-containing complex ubiquitin ligase complex nucleus membrane-enclosed lumen nuclear protein-containing complex transferase complex intracellular organelle lumen CLRC complex cullin-RING ubiquitin ligase complex nucleoplasm methyltransferase complex histone methyltransferase complex catalytic complex Cul4-RING E3 ubiquitin ligase complex intracellular membrane-bounded organelle nuclear ubiquitin ligase complex organelle lumen intracellular protein-containing complex nuclear lumen pericentric heterochromatin chromosome, centromeric region microtubule organizing center cytoskeleton spindle pole body microtubule cytoskeleton

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR007728	Pre-SET domain	Domain
A, B	IPR046341	SET domain superfamily	Homologous Superfamily
A, B	IPR023780	Chromo domain	Domain
A, B	IPR050973	Histone-lysine N-methyltransferase, H3 Lys-9 specific	Family
A, B	IPR001214	SET domain	Domain
A, B	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
A, B	IPR023779	Chromo domain, conserved site	Conserved Site
A, B	IPR011381	Histone-lysine N-methyltransferase SUV39H1/2-like	Family
A, B	IPR003616	Post-SET domain	Domain
A, B	IPR000953	Chromo/chromo shadow domain	Domain

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.