Isolation and characterization of isoprothrombin in the rat

Jeremiah J. Morrissey, John P. Jones, Robert E. Olson

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

Isoprothrombin, a protein antigenically related to prothrombin, which accumulates in the hepatic endoplasmic reticulum of vitamin K-deficient or warfarin-treated rats, has been isolated by affinity chromatography employing rat prothrombin antibodies linked to Sepharose. Isoprothrombin has the same molecular weight as prothrombin but a different mobility on disc gel electrophoresis, is not barium adsorbable nor activatable to thrombin by factor Xa. Isoprothrombin is converted to thrombin by Echis carinatus venom through the same intermediates as prothrombin.

Original languageEnglish
Pages (from-to)1075-1082
Number of pages8
JournalBiochemical and Biophysical Research Communications
Volume54
Issue number3
DOIs
StatePublished - Oct 1 1973
Externally publishedYes

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