Papaya glutamine cyclase, a plant enzyme
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Keith A. Oberg; Jean-Marie Ruysschaert; Mohamed Azarkan; Nicole Smolders; Samira
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Article
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1998
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John Wiley and Sons
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English
⚖ 267 KB
Glutamine cyclases catalyse the conversion of L-glutaminyl-peptides into 5-oxoprolyl-peptides with the concomitant liberation of ammonia. We report here biophysical characterisation of the glutamine cyclase present in the laticiferous cells of the plant Carica papaya. After purification to near homo