Enzyme therapy-IX. stabilization of human splenic α-galactosidase a by zinc ion

Suzanne R. Thorpe, Robert J. Desnick

Research output: Contribution to journalArticlepeer-review

Abstract

1. 1. The ability of divalent metal ions to stabilize several human lysosomal glycosidases against thermal inactivation was investigated. 2. 2. Only zinc ion was found to significantly decrease the rate of heat denaturation of any of the hydrolases tested. 3. 3. Zinc increased the t 1 2 of a-galactosidase A activity at 50°C more than 15-fold at pH 6.5, from 20.5 min to 5.2 hr, but had little effect at pH 5.5 or 7.4.

Original languageEnglish
Pages (from-to)103-105
Number of pages3
JournalInternational Journal of Biochemistry
Volume9
Issue number2
DOIs
StatePublished - 1978
Externally publishedYes

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