Protein
Putative type I restriction enzyme MjaXP M protein
Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
Function
Methylation of specific adenine residues; required for both restriction and modification activities.
Similarity
Belongs to the N(4)/N(6)-methyltransferase family.
Sequence
MATLDKFLSIKENDEKTKKKESKKKSSKSNKTSESLVSHDHFELTPEFENQLWKVADKLRKKMEVHQYKYVVLGLIFLRALTCRFYERRKEIEEELSNPNSELYTEDPELRKMILEDEDFYLSEGVLYLPKETRWDYFVENVMSPNIGEIIDTAIEILEEKYPDRLKDVIPKIYAQSPLDNHDYSYLINKFSEISFGKEHRVKDVFGRIYEYFLGKFTEVEGKLGGKFYTPRSLTKLIVDVLDVKGGSIFDPACGSGGFFVSALEKLEREGIDINELSIYGQDSDPMAYRLTKMNLIIRGAEGDIRIDDSYHDDKFMDMTFDYVVANPPFNDSEWDANRIKPDDPRLRIGNKKVPVPPNGNANYMWILHFIYHTAPNGKAGFVMANGALSAGNVEGEIRKAIIENDLVYGIVACPPKLFYNVSLPVSLWFIRKEKPDYMKGKVLFINAKNLYKQISRRQNILTEEHIKKIVDKFRMFESGEDEDKINELGFAKVATIDEIAKNGYVLTPGRYVGVKIEDDGIPFEVKMKEYSEELKKLLDEEEKLRNKVKEILDALGF