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LPXTG-site transpeptidase (sortase) family protein This family includes Staphylococcus aureus sortase, a transpeptidase that attaches surface proteins by the Thr of an LPXTG motif to the cell wall. It also includes a protein required for correct assembly of an LPXTG-containing fimbrial protein, a set of homologous proteins from Streptococcus pneumoniae, in which LPXTG proteins are common. However, related proteins are found in Bacillus subtilis and Methanobacterium thermoautotrophicum, in which LPXTG-mediated cell wall attachment is not known. [Cell envelope, Other, Protein fate, Protein and peptide secretion and trafficking]
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