Protein
Modification methylase XcyI
Organism
Xanthomonas campestris pv. cyanopsidis
Function
This methylase recognizes the double-stranded sequence CCCGGG, causes specific methylation on C-2 on both strands, and protects the DNA from cleavage by the XcyI endonuclease.
Similarity
Belongs to the N(4)/N(6)-methyltransferase family. N(4) subfamily.
Sequence
MPKANTAPPSGVERILRPEPLILRGSTLFEGDALTVLRRLPSGSVRCVVTSPPYWGLRDYGIEEQIGLEVTMPQFLHRLVAIFAEVKRVLTDDGTLWLNIGDGYTSGNRGYRAPDKKNPARAMDVRPDTPVGLKPKDLMGIPWRLAFALQDDGWYLRSDIVWNKPNAMPESVKDRPARSHEFLFMFTKSEKYFYDWQAAREPADGGGLRNRRSVWNVNTKPFAGAHFTTFPPELIRPCIHASTEPGDYVLDPFFGSGTVGLVCQDENRQYVGIELNPEYVTLAADRLQGQNSNVIRIAAA