Protein
Modification methylase XamI
Organism
Xanthomonas campestris pv. amaranthicola
Function
This methylase recognizes the double-stranded sequence GTCGAC, causes specific methylation on a-5 on both strands, and protects the DNA from cleavage by the XamI endonuclease.
Similarity
Belongs to the N(4)/N(6)-methyltransferase family.
Sequence
MSMQTEQELVALCLALIKDQDSLSAAEKKLTKTTPVSALKPREIDTIRKRSRAGLTHSANVLFDPLGHRAPRAGAVYTPAPIVRSMMTWLAAQGSPARIVDPGAGSGRFILAAGEAFPDAQLVAVEMDPLAALMLRANLSARGWTDRATVMVKDYREVKLPPCAGITAFIGNPPYVRHHDIGEDWKAWYASNFAGYGIKASALAGLHLHFFLQTRLLAKAGDVGAFITSAEWMDVNYGSALRRLLLDELGGIALHVLEPTVEAFPGTATTAAIACFRVGETARPVRVRFIDELTNLNGLTKGTDIPREQLQAASRWSIIVRPSAPAMAGDIELGELFRVHRGQVTGANGIWIAGEHAQGLPDRVKMPAVTKAKDLIQAGAHLNSAEVLRRVIDLPTDLDDFTKEERRRISSFLSWAKLHGADQSYIAQHRRAWWSVGLKAPAPILCTYMARRPPQFTLNACDARHINIAHGLYPREPLAAGIMASLVTWLNKNINTGSGRTYAGGLTKFEPKEIERLRIPSLENLHA