Topic
Esterase
About: Esterase is a research topic. Over the lifetime, 7622 publications have been published within this topic receiving 168270 citations.
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TL;DR: Among the 610 strains investigated, 316 electrophoretic types (distinctive combinations of allozymes of the four varieties of esterases) were distinguished, illustrating high esterase polymorphism.
Abstract: Summary: To determine whether enzyme electrophoretic polymorphism in Escherichia coli populations was influenced by environmental background, the mobilities of four electrophoretically variable esterases (A, B, C and I) were examined. The distinction between isolates was established by significant differences in the electrophoretic distribution and the genetic diversity coefficient of individual esterases. Principal components analysis on each population and on all strains revealed three groups of allozymes. The first, characterized by slow electrophoretic mobilities of esterase B, was frequently observed in strains obtained from human extra-intestinal infections and rarely in commensal organisms. The second, characterized by fast mobilities of esterases A and B, was frequently found in animal isolates. The third, characterized by prominence of the most common mobilities of esterases B and A, was recovered in all populations. These results were confirmed by discriminant analysis. Among the 610 strains investigated, 316 electrophoretic types (distinctive combinations of allozymes of the four varieties of esterases) were distinguished, illustrating high esterase polymorphism.
50 citations
TL;DR: In this paper, the chemical hydrolysis products from Impranil using 0.1 M HCl or 0. 1 M NaOH were identified and compared to the concentration of hydrolysis products formed using three commercial enzymes by proton nuclear magnetic spectroscopy (1H NMR) and Fourier transform infrared spectrograph (FT-IR).
50 citations
TL;DR: The sequence shared by two CRP-binding peptides indicated that the CRP binding site of gp60a is contained within residues 477-499, and those truncated at residue 477 (or the homologous site in gp60b) did not.
50 citations
TL;DR: A plasminogen activator, previously designated as rat urinary esterase A, was separated from kallikrein of rat urine and purified to homogeneity and showed three closely migrating protein bands which were labeled with [14C]diisopropylphosphorofluoridate and stained on a zymogram using the chromogenic substrate methionine-alpha-naphthyl ester.
50 citations
Journal Article•
TL;DR: The cotton carboxypeptidase hydrolyzes several ester substrates, small polypeptides, and denatured proteins, and yields a single radioactive peptide, indicating that the sequence of amino acids around the active site serine of each subunit is identical.
49 citations