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Items for "peptidase"

Two novel mitochondrial and chloroplastic targeting-peptide-degrading peptidasomes in A. thaliana, AtPreP1 and AtPreP2

Two novel metalloendopeptidases in Arabidopsis thaliana, AtPreP1 and AtPreP2, are responsible for the degradation of targeting peptides in mitochondria and chloroplasts...

Keywords: chloroplast, mitochondria, peptidase, protease, protein import, targeting peptide, transit peptide

10/2006 | Biological Chemistry, Walter de Gruyter
Proteolytic mechanism of a novel mitochondrial and chloroplastic PreP peptidasome

The 2.1-Å-resolution crystal structure of the novel mitochondrial and chloroplastic metalloendopeptidase, AtPreP1, revealed a unique peptidasome structure, in which the two halves of the enzyme completely enfold a huge proteolytic cavity...

Keywords: chloroplast, mitochondria, peptidase, protease, protein import, targeting peptides

08/2006 | Biological Chemistry, Walter de Gruyter
Isoaspartate residues dramatically influence substrate recognition and turnover by proteases

Posttranslational modifications influence the structure, stability and biological activity of proteins...

Keywords: amyloid ?, isoaspartate, peptidase, substrate specificity

08/2008 | Biological Chemistry, Walter de Gruyter