Discovery of a γ‐carboxyglutamic acid‐containing protein in human spermatozoa
- 7 October 1985
- journal article
- Published by Wiley in FEBS Letters
- Vol. 190 (1) , 137-141
- https://doi.org/10.1016/0014-5793(85)80444-0
Abstract
Here we describe the identification of a γ-carboxyglutamic acid-containing protein in human spermatozoa. After thermal decarboxylation the protein is a good substrate for vitamin K-dependent carboxylase from various origins. A quick purification procedure for the decarboxylated protein is presented and in a preliminary characterization we have established its M r, (28000–30000) and its amino acid composition.Keywords
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