Protein
Modification methylase VspI
Organism
Vibrio sp. (strain 343)
Function
This methylase recognizes the double-stranded sequence ATTAAT, causes specific methylation on A-5 on both strands, and protects the DNA from cleavage by the VspI endonuclease.
Similarity
Belongs to the N(4)/N(6)-methyltransferase family.
Sequence
MKQSALFEADDVEAISIDDVAFSLNVSSASVRNWIKTGYLHKATKNSVTAESFVAFKDEILGTEKLNQRANKSLKDQHDHSGLEEMIHNIIRSNEVHPEGLSDIYEESLSESYKNKEGVFYTPKEIAADFFDYLPKDCSELTFCDPCCGTGNFLIEAVKRGFKPCNIYGYDIDEVALEISRSRLKELCGVAESNIEKRDFLSASYQIEQKYDVIFTNPPWGKKLPKKDKDSLADSLATGNSKDTSAIFFFASMKILNSSGYLGFLLQDAFFNIASYESVRKAALANQIVALIDFGKPFKGLLTKAKGIILRKQCPDDQHATICVSGNTKNEVSQRVFEKNPKSIFNFTCSELDLEVVEHILSIPHKTLRGSARWGLGIVTGNNKKFCLPEARGGYIPVYKGSDITRKG