1PEG

Structural basis for the product specificity of histone lysine methyltransferases

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Structure Motif: Primary M-CSA Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1pega_	All beta proteins	beta-clip	SET domain	Histone lysine methyltransferases	Dim-5	(Neurospora crassa ) [TaxId: 5141 ],	SCOPe (2.08)
C [auth B]	d1pegb_	All beta proteins	beta-clip	SET domain	Histone lysine methyltransferases	Dim-5	(Neurospora crassa ) [TaxId: 5141 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SET domain	8043673	3000162	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	CXC domain-like	8051802	3002037	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	CXC domain-like	8051802	3002037	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	SET domain	8043673	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)
A	PF00856	e1pegA2	A: beta barrels	X: beta-clip	H: SET domain-like (From Topology)	T: SET domain-like	F: PF00856	ECOD (1.6)
A	PF05033	e1pegA3	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)
C [auth B]	PF00856	e1pegB1	A: beta barrels	X: beta-clip	H: SET domain-like (From Topology)	T: SET domain-like	F: PF00856	ECOD (1.6)
C [auth B]	PF05033	e1pegB2	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)
C [auth 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
B [auth P], D [auth Q]	PF00125	Core histone H2A/H2B/H3/H4 (Histone)	Core histone H2A/H2B/H3/H4	-	Domain
A, C [auth B]	PF00856	SET domain (SET)	SET domain	-	Family
A, C [auth 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
B [auth P], D [auth Q]	Histone H3	DNA binding binding organic cyclic compound binding nucleic acid binding cell adhesion molecule binding cadherin binding protein binding protein heterodimerization activity protein dimerization activity structural molecule activity structural constituent of chromatin	protein-containing complex organization protein-DNA complex assembly protein-DNA complex organization cellular component organization cellular component biogenesis cellular component assembly chromatin organization protein-containing complex assembly chromatin remodeling cellular process cellular component organization or biogenesis nucleosome assembly nucleosome organization organic substance metabolic process protein-containing complex organization protein-DNA complex assembly protein-DNA complex organization cellular component organization cellular component biogenesis cellular component assembly chromatin organization protein-containing complex assembly chromatin remodeling cellular process cellular component organization or biogenesis nucleosome assembly nucleosome organization organic substance metabolic process biosynthetic process cellular biosynthetic process cellular metabolic process organic substance biosynthetic process metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process organelle organization telomere organization chromosome organization regulation of cellular process regulation of biosynthetic process regulation of biological process epigenetic regulation of gene expression biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process regulation of gene expression regulation of macromolecule biosynthetic process regulation of metabolic process	membrane cellular anatomical entity extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle extracellular space vesicle extracellular membrane-bounded organelle protein-containing complex intracellular anatomical structure protein-DNA complex membrane cellular anatomical entity extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle extracellular space vesicle extracellular membrane-bounded organelle protein-containing complex intracellular anatomical structure protein-DNA complex nucleosome chromatin chromosome intracellular organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen
A, C [auth B]	histone H3 methyltransferase DIM-5	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 double-stranded DNA binding binding organic cyclic compound binding nucleic acid binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	methylation metabolic process	intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle chromosome cellular anatomical entity non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth P], D [auth Q]	IPR009072	Histone-fold	Homologous Superfamily
B [auth P], D [auth Q]	IPR007125	Histone H2A/H2B/H3	Domain
B [auth P], D [auth Q]	IPR000164	Histone H3/CENP-A	Family
A, C [auth B]	IPR007728	Pre-SET domain	Domain
A, C [auth B]	IPR046341	SET domain superfamily	Homologous Superfamily
A, C [auth B]	IPR001214	SET domain	Domain
A, C [auth B]	IPR003616	Post-SET domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth P], D [auth Q]	Pharos: P68431	lung carcinoma glioblastoma glioma large cell medulloblastoma malignant mesothelioma non-small cell lung carcinoma allergic rhinitis ovarian cancer autism spectrum disorder psoriasis cutaneous lupus erythematosus tuberculosis ependymoma gastric carcinoma Glioma of Brain, Familial lung carcinoma glioblastoma glioma large cell medulloblastoma malignant mesothelioma non-small cell lung carcinoma allergic rhinitis ovarian cancer autism spectrum disorder psoriasis cutaneous lupus erythematosus tuberculosis ependymoma gastric carcinoma Glioma of Brain, Familial hypertensive disorder lung adenocarcinoma malignant colon neoplasm malignant pancreatic neoplasm osteoarthritis astrocytoma (excluding glioblastoma) pancreatic intraductal papillary-mucinous carcinoma breast cancer spina bifida cystic fibrosis exocrine pancreatic carcinoma glioma susceptibility 1 invasive ductal breast carcinoma lung cancer malignant glioma medulloblastoma osteosarcoma atypical teratoid rhabdoid tumor pancreatic intraductal papillary-mucinous neoplasm breast carcinoma subependymoma ductal breast carcinoma in situ gastric cancer hepatocellular carcinoma

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	histone-lysine N-methyltransferase (Suvar3-9 subfamily) M-CSA #691	Histone lysine methylation is part of the histone code that regulates chromatin function. Histone lysine methyltransferases (HKMT) differ both in their substrate specificity for the various acceptor lysines as well as in their product specificity for the number of methyl groups (one, two, or three) they transfer. Known targets for HKMT include Lys4, 9, 27, 36, and 79 in histone H3 and Lys20 in histone H4. DIM-5 of N. crassa generates primarily trimethyl Lys9, which marks chromatin regions for DNA methylation.	Defined by 2 residues: TYR:A-162 [auth A-178]TYR:A-267 [auth A-283] \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 2.1.1.43 (PDB Primary Data) Search M-CSA Motif + EC 2.1.1.43

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.