Protein
Protein-L-isoaspartate O-methyltransferase
Organism
Caenorhabditis elegans
Function
Catalyzes the methyl esterification of L-isoaspartyl residues in peptides and proteins that result from spontaneous decomposition of normal L-aspartyl and L-asparaginyl residues. It plays a role in the repair and/or degradation of damaged proteins. This enzyme does not act on D-aspartyl residues.
Similarity
Belongs to the methyltransferase superfamily. L-isoaspartyl/D-aspartyl protein methyltransferase family.
Sequence
MAWRSSGSTNSELIDNLRNNRVFASQRAYDAMKSVDRGDFAPRAPYEDAPQRIGYNATVSAPHMHAAALDYLQNHLVAGAKALDVGSGSGYLTVCMAMMVGRNGTVVGIEHMPQLVELSEKNIRKHHSEQLERGNVIIIEGDGRQGFAEKAPYNAIHVGAASKGVPKALTDQLAEGGRMMIPVEQVDGNQVFMQIDKINGKIEQKIVEHVIYVPLTSREEQWNRN