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Die Katalase-Aktivität im Schwanzgewebe der Larve von Xenopus laevis DAUD

✍ Scribed by H. P. Von Hahn

Publisher
John Wiley and Sons
Year
1959
Tongue
German
Weight
496 KB
Volume
42
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

A micromethod for determining catalase activity in the tail tissue of larvae of Xenopus laevis DAUD. has been developed from the perborate method of FEINSTEIN. In the tails of Xenopus larvae catalase activity has much the same properties (pH optimum and range, apparent MICHAELIS constant, reaction course, linearity with homogenate concentration) as those described for rat liver homogenates and crystalline catalase. It is concluded that catalases from various animal sources have the same prosthetic group but may differ in having species‐specific proteins as apoenzymes.

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## ACTA On fractionnc la totalit4 des hydrolysats par dlectrophorkse 2+ pH 6,5, & 26 V/cm, en 2 h 40 (voir fig. 7 et 10). Les fractions TB-y 2/6-S1 (neutre) et TB-y 2/6-S2, 53, S4, S5 (basiques) sont CluCcs, puis testies quant B leur puretC, en vuc de leur analpse de structure. TB-y 2/6-S1 (neutrc