نتایج جستجو برای: protease activity
تعداد نتایج: 1166082 فیلتر نتایج به سال:
The human rhinovirus 14 3C protease (HRV3C protease), in fusion with glutathione S-transferase also referred to as PreScission™ protease, is a cysteine of particular interest for affinity tag removal from proteins due its stringent recognition sequence specificity (LEVLFQ/GX) and superior activity at low temperature. Here we report the expression, purification use construct HRV3C NT*-HRV3CP, th...
Protease inhibitors, which can inhibit insect digestive enzymes, and carbohydrate binding lectins are potential control mechanisms against herbivorous insects. Larval midgut extracts fi-om Eldana saccharina Walker (Lepidoptera: Pyralidae) were assayed for protease activity in the presence of protease inhibitors in order to determine the dominant protease types (serine, aspartic, metalloor cyste...
Protease activity was measured in dental plaque collected from patients with or without supragingival calculus. Plaque specimens from the calculus group showed significantly greater protease activity in the presence of 0.05% sodium thioglycollate than did those from the non-calculus group. No significant difference between the two groups was observed in the protease activity without sodium thio...
Pseudomonas cepacia produces at least two extracellular proteases with apparent molecular masses of 36,000 and 40,000 Da. The 36-kDa protease has high proteolytic activity and the 40-kDa protease has low proteolytic activity with hide powder azure as a substrate. Monoclonal antibodies (MAbs) were raised against the purified 36- and 40-kDa proteases. Several MAbs directed against the 36-kDa prot...
Immunoglobulin A1 (IgA1) protease, an enzyme that selectively cleaves human IgA1, may be a virulence factor for pathogenic organisms such as Neisseria gonorrhoeae. Host protection from the effects of IgA1 protease includes antibody-mediated inhibition of IgA1 protease activity, and it is believed that the relative balance between IgA1 protease and inhibitory antibodies contributes to the pathog...
Since its outbreak, the severe acute respiratory syndrome—coronavirus 2 (SARS-CoV-2) has impacted quality of life and cost hundreds-of-thousands lives worldwide. Based on global spread mortality, there is an urgent need for novel treatments which can combat this disease. To date, 3-chymotrypsin-like protease (3CLpro), also known as main protease, considered among most important pharmacological ...
An intracellular protease was extracted and purified from Pseudomonas aeruginosa by ion-exchange chromatography on DEAE-cellulose followed by CM–cellulose and rechromatography on DEAE-cellulose. The purified protease was found to be homogeneous as judged by polyacrylamide disc gel electrophoresis (PAGE). The molecular mass of the protease as determined by gel filtration on G-150 was about 48,00...
The human immunodeficiency virus type 1 (HIV-1) protease is the enzyme required for processing of the Gag and Gag-Pol polyproteins to yield mature, infectious virions. Although the complete absence of proteolytic activity prevents maturation, the level of activity sufficient for maturation and subsequent infectivity has not been determined. Amino acid substitutions that reduce catalytic activit...
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