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Purification and characterization of a germ cell-specific form of elongation factor 1 alpha (EF-1 alpha) from Xenopus
J Morales1, O Mulner-Lorillon, H Denis
1Laboratoire de Physiologie de la Reproduction, Université P et M Curie, INRA, UA CNRS 1449, Paris, France.
Biochimie
|September 1, 1991
Abstract:
Elongation factor 1 alpha (EF-1 alpha) was purified to homogeneity from full-grown oocytes of Xenopus laevis. This protein is encoded by a gene previously shown to be expressed in male and female germ cells, and repressed in somatic cells. The purified protein was identified with EF-1 alpha on criteria of molecular mass, cross-reaction with antibodies raised against Artemia salina EF-1 alpha, affinity for guanine nucleotides, and ability to promote the mRNA-dependent binding of aminoacyl tRNA to 80S ribosomes.