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Purification and characterization of a cysteine protease in Vitis vinifera L. grapes (Macabeo variety)

✍ Scribed by Expósito, J. Marín ;Gordillo, C. Miguel ;Mariño, J. I. Maynar ;Iglesias, J. L. Mesías

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
198 KB
Volume
35
Category
Article
ISSN
0027-769X

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✦ Synopsis

Protease from Viris vinifeu L. (Macabeo variety) was partially purified (IS-fold) by PVPP and Sephadex gel G-100 fdtration and characterized afterwards by gel electrophoresis. The enzyme had an optimum pH of 2.50 and a Km value of 0.32 mM for haemoglobm. The results of applying diagnostic inhibitors indicated that the enzyme studied was a cystcine-protease.

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