Protein
Histone-lysine N-methyltransferase, H3 lysine-79 specific
Organism
Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987)
Function
Histone methyltransferase that specifically methylates histone H3 to form H3K79me. This methylation is required for telomere silencing and for the pachytene checkpoint during the meiotic cell cycle by allowing the recruitment of RAD9 to double strand breaks. Nucleosomes are preferred as substrate compared to free histones (By similarity).
Similarity
Belongs to the class I-like SAM-binding methyltransferase superfamily. DOT1 family.
Sequence
MSIFNQKSKFKIKTEIRTVRETVERPKLKASTSSSSIPTTGSSQHSNVRIAGAGSSLSRASSTPRLNGTSHTTSTSSSARASLTKVTTIPTARRIQSASPIPSINGDGRSSRKRRAIKASSRSPISPHFSEDSDSDSNGDENWEDNLDARKRRKRVHDERPVDVNRKLRHPKIWKGEEADQVERIPGPAIIHAAKVASLEHKCKPALGLKNEEVAVRLQYPGARYPERYELVEGKDKIDAVKDIEKVVQLAASTYLTDEEGKIFLDHQTGILRKLVKSKNRSDGPGFKAALREYNDEFLKLMRKGVIVRNLDKMHGIPRELVDFILDQVYDRTVAPRVELLAKYQNGSDNVYGELNHPFISDILERTNLTSDKVFVDLGSGVGNVTLQAALEIGCESWGCEMMENACNLAEAQYDEFLARCRLWGVKPGKVRLERGDFRKNEKILEVLKRADVVLVNNQAFTSQLNDNLVSMFLDLKIGCKIISLKTFVHDNKNAENDVATSILDVEHLTYPEGYVSWTGASGTYCISTRR