| PepE endopeptidase | <enzyme> Thiol-dependent endoprotease from lactobacillus helveticus; do not confuse with pepe protein, which is an aspartic proteinase from aspergillus niger; genbank u77050 Registry number: EC 3.4.- Synonym: pepe gene product, lactobacillus (26 Jun 1999) |
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| peperino | <geology> A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc. Origin: It. Peperino, L. Piper pepper. So called on account of its colour. Source: Websters Dictionary (01 Mar 1998) |