Annotations: 1ZKK

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SET	e1zkkA1	A: beta barrels	X: beta-clip	H: SET domain-like (From Topology)	T: SET domain-like	F: SET	ECOD (1.6)
B	SET	e1zkkB1	A: beta barrels	X: beta-clip	H: SET domain-like (From Topology)	T: SET domain-like	F: SET	ECOD (1.6)
C	SET	e1zkkC1	A: beta barrels	X: beta-clip	H: SET domain-like (From Topology)	T: SET domain-like	F: SET	ECOD (1.6)
D	SET	e1zkkD1	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)
C	2.170.270.10	Mainly Beta	Beta Complex	Beta-clip-like	SET domain	CATH (4.3.0)
D	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, C, D	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, C, D	Histone-lysine N-methyltransferase, H4 lysine-20 specific	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 cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of 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 negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular 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 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 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 chromatin
E, F, G, H	Peptide corresponding to residues 15-24 of histone H4	DNA binding binding organic cyclic compound binding nucleic acid binding protein heterodimerization activity protein binding protein dimerization activity RNA binding structural molecule activity structural constituent of chromatin	protein-containing complex organization protein-DNA complex assembly cellular component organization protein-DNA complex 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 organelle organization protein-containing complex organization protein-DNA complex assembly cellular component organization protein-DNA complex 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 organelle organization telomere organization chromosome organization protein localization protein localization to chromatin cellular localization protein localization to chromosome, centromeric region localization protein localization to chromosome protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to CENP-A containing chromatin multicellular organismal process regulation of cellular process cellular developmental process regulation of developmental process regulation of megakaryocyte differentiation negative regulation of biological process megakaryocyte differentiation cell development regulation of cell differentiation regulation of cell development multicellular organism development negative regulation of megakaryocyte differentiation cell differentiation anatomical structure development negative regulation of cellular process negative regulation of cell differentiation regulation of immune system process regulation of multicellular organismal process developmental process regulation of biological process regulation of multicellular organismal development hemopoiesis negative regulation of developmental process regulation of myeloid cell differentiation biological regulation negative regulation of myeloid cell differentiation myeloid cell differentiation immune system process regulation of hemopoiesis	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 CENP-A containing chromatin 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 CENP-A containing chromatin protein-DNA complex nucleosome chromosome chromatin chromosomal region intracellular organelle chromosome, centromeric core domain CENP-A containing nucleosome intracellular non-membrane-bounded organelle chromosome, centromeric region non-membrane-bounded organelle chromosome, telomeric region nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR046341	SET domain superfamily	Homologous Superfamily
A, B, C, D	IPR001214	SET domain	Domain
A, B, C, D	IPR016858	N-lysine methyltransferase KMT5A-like	Family
A, B, C, D	IPR047266	N-lysine methyltransferase KMT5A-like, SET domain	Domain
A, B, C, D	IPR051760	Histone-lysine N-methyltransferase KMT5A	Family
E, F, G, H	IPR009072	Histone-fold	Homologous Superfamily
E, F, G, H	IPR035425	CENP-T/Histone H4, histone fold	Domain
E, F, G, H	IPR001951	Histone H4	Family
E, F, G, H	IPR019809	Histone H4, conserved site	Conserved Site
E, F, G, H	IPR004823	TATA box binding protein associated factor (TAF), histone-like fold domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: Q9NQR1	osteoarthritis osteosarcoma
E, F, G, H	Pharos: P62805	lung carcinoma Malignant neoplasm of breast non-small cell lung carcinoma Pick disease acute myeloid leukemia squamous cell lung carcinoma atypical teratoid rhabdoid tumor breast carcinoma ductal breast carcinoma in situ exocrine pancreatic carcinoma hepatocellular carcinoma lung adenocarcinoma malignant colon neoplasm malignant pancreatic neoplasm osteoarthritis lung carcinoma Malignant neoplasm of breast non-small cell lung carcinoma Pick disease acute myeloid leukemia squamous cell lung carcinoma atypical teratoid rhabdoid tumor breast carcinoma ductal breast carcinoma in situ exocrine pancreatic carcinoma hepatocellular carcinoma lung adenocarcinoma malignant colon neoplasm malignant pancreatic neoplasm osteoarthritis pilocytic astrocytoma allergic rhinitis ulcerative colitis autism spectrum disorder cystic fibrosis endogenous depression glioblastoma hypertensive disorder lung cancer malignant mesothelioma multiple sclerosis osteosarcoma psoriasis astrocytic tumor breast cancer diabetes mellitus endometriosis gout invasive ductal breast carcinoma

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.