Protopectin solubilizing enzyme that does not catalyze the degradation of polygalacturonic acid.
نویسندگان
چکیده
منابع مشابه
Enzyme millisecond conformational dynamics do not catalyze the chemical step.
The idea that enzymes catalyze reactions by dynamical coupling between the conformational motions and the chemical coordinates has recently attracted major experimental and theoretical interest. However, experimental studies have not directly established that the conformational motions transfer energy to the chemical coordinate, and simulating enzyme catalysis on the relevant timescales has bee...
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1. The specimen of polygalacturonic acid used in these studies was shown to contain very little neutral sugar, methyl ester groups or ash, and only residues of galacturonic acid. Its electrophoretic homogeneity was examined in pyridine-acetic acid buffer at pH6.5 and in borate buffer at pH9.2. The distribution of effective particle weights was shown to be fairly narrow. 2. The pH-titration curv...
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As scored by several specified plating procedures, clinical and environmental strains of Yersinia enterocolitica, Yersinia pseudotuberculosis, and Klebsiella pneumoniae "Oxytocum" showed detectable, albeit generally weak, ability to digest polygalacturonic (pectic) acid. None of these bacterial strains had the vigorous and rapid pectolytic activity on these polygalacturonic acid-containing medi...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1988
ISSN: 0002-1369,1881-1280
DOI: 10.1271/bbb1961.52.1091