Protein
Putative type I restriction enzyme specificity protein HI_0216
Organism
Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)
Function
The M and S subunits together form a methyltransferase (MTase) that methylates two adenine residues in complementary strands of a bipartite DNA recognition sequence. Subunit S dictates DNA sequences specificity (By similarity).
Similarity
Belongs to the type-I restriction system S methylase family.
Sequence
MKNNRTFLEKLLEGSEVEWKPLDEVANIVNNARKPVKSSLRVSGNIPYYGANNIQDYVEGYTHEGEFVLIAEDGSASLENYSIQWAVGKFWANNHVHVVNGKEKLNNRFLYHYLTNMNFIPFLAGKERAKLTKAKLQQIPIPIPPLSVQTEIVKILDALTALTSELTSELTSELTSELILRQKQYEYYREKLLNIDEMNKVIELGDVGPVRMCKRILKNQTASSGDIPFYKIGTFGKKPDAYISNELFQEYKQKYSYPKKGDILISASGTIGRTVIFDGENSYFQDSNIVWIDNDETLVLNKYLYHFYKIAKWGIAEGGTIQRLYNDNLKKVKISIPPLKEQHRIVSILDKFETLTNSITEGLPLAIEQSQKRYEYYRELLLNFS