Zur biochemischen Kennzeichnung der Phosphomonesterasen im Schwanzgewebe derXenopus-Larve

Autor:	Rolf Weber, B. Niehus, H. P. von Hahn
Rok vydání:	1960
Předmět:	chemistry.chemical_classification biology Stereochemistry Organic Chemistry Xenopus Phosphomonoesterase biology.organism_classification Biochemistry Catalysis Inorganic Chemistry Enzyme chemistry Phosphomonoesterase activity Drug Discovery Physical and Theoretical Chemistry Bufo
Zdroj:	Helvetica Chimica Acta. 43:1820-1825
ISSN:	1522-2675 0018-019X
DOI:	10.1002/hlca.19600430643
Popis:	The distribution of phosphomonoesterase activity in the tail tissue of larvae of Xenopus laevis has been determined in the pH-range 2.8–11.0. Two pH optima, at pH 3.9 and 8.9, were found. The optimum at pH 8.9 as well as the strong activation by Mg++. at this pH are characteristic for phosphomonoesterase I. By studying the effects of Mg++ and F− and determining the MICHAELIS constants, evidence was obtained for the presence of two more enzymes, acting at pH 3.9 and 5 respectively; they are assumed to correspond to the phosphomonoesterases III and II, respectively. These results are compared with those obtained by BELLINI on larval tail tissue of Bufo vulgaris.
Databáze:	OpenAIRE
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