Information on EC - C-terminal processing peptidase

for references in articles please use BRENDA:EC3.4.21.102
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EC Tree
     3 Hydrolases
         3.4 Acting on peptide bonds (peptidases)
             3.4.21 Serine endopeptidases
       C-terminal processing peptidase
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The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
At4g17740, C-terminal processing peptidase, C-terminal processing protease, C-terminal protease, carboxy terminal-processing proteinase, carboxyl terminal processing protease of D1 protein, carboxyl-terminal processing protease, carboxyl-terminal protease, carboxyl-terminal-processing peptidase 2, carboxyterminal processing protease, more
the enzyme shows specific recognition of a C-terminal tripeptide, Xaa-Yaa-Zaa, in which Xaa is preferably Ala or Leu, Yaa is preferably Ala or Tyr, and Zaa is preferably Ala, but then cleaves at a variable distance from the C-terminus. A typical cleavage is -Ala-Ala-/-Arg-Ala-Ala-Lys-Glu-Asn-Tyr-Ala-Leu-Ala-Ala. In the plant chloroplast, the enzyme removes the C-terminal extension of the D1 polypeptide of photosystem II
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