Identification
BMDB Protein ID BMDBP00419
Secondary Accession Numbers None
Name Histone-lysine N-methyltransferase KMT5B
Synonyms Not Available
Gene Name KMT5B
Protein Type Enzyme
Biological Properties
General Function Involved in histone-lysine N-methyltransferase activity
Specific Function Histone methyltransferase that specifically methylates monomethylated 'Lys-20' (H4K20me1) and dimethylated 'Lys-20' (H4K20me2) of histone H4 to produce respectively dimethylated 'Lys-20' (H4K20me2) and trimethylated 'Lys-20' (H4K20me3) and thus regulates transcription and maintenance of genome integrity. In vitro also methylates unmodified 'Lys-20' (H4K20me0) of histone H4 and nucleosomes (By similarity). H4 'Lys-20' trimethylation represents a specific tag for epigenetic transcriptional repression. Mainly functions in pericentric heterochromatin regions, thereby playing a central role in the establishment of constitutive heterochromatin in these regions. KMT5B is targeted to histone H3 via its interaction with RB1 family proteins (RB1, RBL1 and RBL2) (By similarity). Plays a role in myogenesis by regulating the expression of target genes, such as EID3. Facilitates TP53BP1 foci formation upon DNA damage and proficient non-homologous end-joining (NHEJ)-directed DNA repair by catalyzing the di- and trimethylation of 'Lys-20' of histone H4 (By similarity). May play a role in class switch reconbination by catalyzing the di- and trimethylation of 'Lys-20' of histone H4 (By similarity).
Pathways Not Available
Reactions Not Available
GO Classification Not Available
Cellular Location Not Available
Gene Properties
Chromosome Location Not Available
Locus Not Available
SNPs KMT5B
Gene Sequence
>1182 bp
ATGAAGTGGTTGGGAGAATCCAAGAACATGGTGGTGAATGGCAGGAGACATGGAGGCAAG
TTGTCTAATGACCATCAGCAGAATCAATCAAAGTTACAGCACTCGGGAAAGGACAACGTG
AAGGCTGGCAGAAACGCAGGCGAGAGGAGGTCGAGCAGATGTAATGGGAACTCAGGCTTT
GAGGGACAGAGTCGATATGTACCATCTTCTGGAATGTCTGCCAAGGAACTCTGTGAAAAT
GATGACCTAGCGACCAGTTTGGTTCTTGATCCCTATTTAGGTTTTCAAACACACAAAATG
AATACTAGCGCCTTTCCTCCGAGGAGCTCAAGGCATTTTTCAAAATCTGACAGTTTTTCT
CACAACAACCCTGTAAGATTTCGGCCTATTAAAGGAAGGCAGGAAGAACTCAAAGAAGTA
ATTGAACGTTTTAAGAAAGATGAGCACTTGGAGAAAGCCTTCAAATGTCTGACTTCAGGA
GAATGGGCACGGCACTATTTTCTCAACAAGAACAAAATGCAGGAGAAATTATTCAAGGAA
CATGTATTTATTTATTTGCGAATGTTTGCAACTGACAGTGGATTTGAAATATTGCCTTGT
AATAGATACTCTTCAGAACAAAATGGAGCCAAAATAGTTGCAACGAAAGAGTGGAAACGA
AATGACAAAATAGAATTACTGGTGGGTTGTATTGCCGAACTTTCAGAAATTGAGGAGAAC
ATGCTGCTTAGACATGGAGAAAACGACTTCAGTGTCATGTATTCCACAAGGAAAAACTGT
GCTCAGCTCTGGCTTGGTCCTGCTGCATTTATAAACCATGATTGCAGACCTAACTGTAAG
TTTGTGTCAACTGGTCGAGATACAGCATGTGTGAAGGCCCTAAGAGATATTGAACCTGGA
GAAGAAATTTCTTGTTATTATGGAGATGGGTTTTTTGGAGAAAACAATGAGTTCTGCGAG
TGTTACACTTGTGAAAGACGGGGAACTGGTGCTTTTAAATCCAGAGTGGGACTGCCTGCG
CCTGCTCCTGTTATCAATAGCAAATACGGACTCAGAGAAACAGATAAACGTTTAAATAGG
CTTAAAAAGTTAGGTGACAGCAGCAAAAACTCAGACAGTCAGTCTGTCAGCTCCAACACT
GACGCAGACACCACTCAGGGAAGAAACGACGCAAGTAAGTAG
Protein Properties
Number of Residues 393
Molecular Weight 44552.0
Theoretical pI 8.91
Pfam Domain Function Not Available
Signals
  • None
Transmembrane Regions Not Available
Protein Sequence
>Histone-lysine N-methyltransferase SUV420H1
MKWLGESKNMVVNGRRHGGKLSNDHQQNQSKLQHSGKDNVKAGRNAGERRSSRCNGNSGF
EGQSRYVPSSGMSAKELCENDDLATSLVLDPYLGFQTHKMNTSAFPPRSSRHFSKSDSFS
HNNPVRFRPIKGRQEELKEVIERFKKDEHLEKAFKCLTSGEWARHYFLNKNKMQEKLFKE
HVFIYLRMFATDSGFEILPCNRYSSEQNGAKIVATKEWKRNDKIELLVGCIAELSEIEEN
MLLRHGENDFSVMYSTRKNCAQLWLGPAAFINHDCRPNCKFVSTGRDTACVKALRDIEPG
EEISCYYGDGFFGENNEFCECYTCERRGTGAFKSRVGLPAPAPVINSKYGLRETDKRLNR
LKKLGDSSKNSDSQSVSSNTDADTTQGRNDASK
GenBank ID Protein AAI14080.1
UniProtKB/Swiss-Prot ID Q29RP8
UniProtKB/Swiss-Prot Entry Name KMT5B_BOVIN
PDB IDs Not Available
GenBank Gene ID BC114079
GeneCard ID KMT5B
GenAtlas ID Not Available
HGNC ID Not Available
References
General References Not Available