Protein
Probable type I restriction enzyme BthVORF4518P M protein
Organism
Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / NCTC 10582 / E50 / VPI-5482)
Function
Methylation of specific adenine residues; required for both restriction and modification activities.
Similarity
Belongs to the N(4)/N(6)-methyltransferase family.
Sequence
MATNSSTEQSLTKKVWNLATTLAGQGIGFTDYITQLTYLLFLKMDAENVEMFGEESAIPTGYQWADLIAFDGLDLVKQYEETLKLLSELDNLIGTIYTKAQNKIDKPVYLKKVITMIDEEQWLIMDGDVKGAIYESILEKNGQDKKSGAGQYFTPRPLIQAMVDCINPQMGETVCDPACGTGGFLLTAYDYMKGQSASKEKRDFLRDKALHGVDNTPLVVTLASMNLYLHGIGTDRSPIVCEDSLEKEPSTLVDVILANPPFGTRPAGSVDINRPDFYVETKNNQLNFLQHMMLMLKTGGRAAVVLPDNVLFEAGAGETIRKRLLQDFNLHTILRLPTGIFYAQGVKANVLFFSKGQPTKEIWFYDYRTDIKHTLATNKLERHHLDDFVSCYNNRVEIYDAENNPQGRWRKYPVDEIIARDKTSLDITWIKPGGEVDDRSLAELMADIKDKSQTISRAVTELEKLLANIEEN