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Evolution in the structure and function of aspartic proteases

✍ Scribed by Jordan Tang; Ricky N. S. Wong

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
758 KB
Volume
33
Category
Article
ISSN
0730-2312

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✦ Synopsis

Aspartic proteases (EC3.4.23) are a group of proteolytic enzymes of the pepsin family that share the same catalytic apparatus and usually function in acid solutions. This latter aspect limits the function of aspartic proteases to some specific locations in different organisms; thus the occurrence of aspartic proteases is less abundant than other groups of proteases, such as serine proteases. The best known sources of aspartic proteases are stomach (for pepsin, gastricsin, and chymosin), lysosomes (for cathepsins D and E), kidney (for renin), yeast granules, and fungi (for secreted proteases such as rhizopuspepsin, penicillopepsin, and endothiapepsin). These aspartic proteases have been extensively studied for their structure and function relationships and have been the topics of several reviews or monographs

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