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A bioinformatics analysis to screen for high-potential sources of angiotensin converting enzyme (ACE) inhibitory peptides was conducted in the area of insect muscle proteins. Vertebrate muscle proteins are reported as good sources of ACE inhibitory peptides, while the research on invertebrate muscle proteins is limited. A phylogenetic tree constructed with actin sequences of both vertebrate and invertebrate...
Angiotensin I converting enzyme (ACE) inhibitory peptides can induce antihypertensive effects after oral administration. By means of an ACE inhibitory peptide database, containing about 500 reported sequences and their IC 50 values, the different proteins in pea and whey were quantitatively evaluated as precursors for ACE inhibitory peptides. This analysis was combined with experimental...
Clavanin A is a special antimicrobial peptide that acts at the level of the membrane via a pH-dependent mechanism. At neutral pH, clavanin disrupts biological and model membranes in a nonspecific manner, causing efflux of large molecules. At mildly acidic conditions, however, the peptide efficiently kills bacteria by permeabilizing their membrane most likely by interacting with proteins involved in...
Background: During the conversion of murine monoclonal antibodies directed against the human chorionic gonadotropin (hCG) into bacterially expressed single chain fragments (scFv), we found a major reduction of binding activity upon introduction of a primer encoded mutation. Objectives: In this study we tried to determine which mutation was responsible and on what manner this mutation affected antigen...
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