Trout intestinal alkaline phosphatases I. Some physical‐chemical characteristics

Donald H. Whitmore*, Erwin Goldberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


Four electrophoretic zones of trout intestinal alkaline phosphatase are described on the basis of charge and molecular weight heterogeneity. Qualitative and quantitative differences in the intestinal phosphatase complement suggest three basic phenotypes, which are exemplified by the isozyme patterns of wild brook trout, hatchery brook trout, and lake trout. The partially purified and separated trout phosphatase zones have been characterized physically and chemically. The data presented clearly place these enzymes in the category of the non‐specific alkaline phosphomonoesterases. In common with this group of enzymes, trout phosphatases catalyze the hydrolysis of a wide variety of phosphomonoesters and pyrophosphates, as well as transphosphorylation reactions.

Original languageEnglish (US)
Pages (from-to)47-58
Number of pages12
JournalJournal of Experimental Zoology
Issue number1
StatePublished - Oct 1972

ASJC Scopus subject areas

  • Animal Science and Zoology


Dive into the research topics of 'Trout intestinal alkaline phosphatases I. Some physical‐chemical characteristics'. Together they form a unique fingerprint.

Cite this