42Sp48 in previtellogenic Xenopus oocytes is structurally homologous to EF-1 alpha and may be a stage-specific elongation factor.

Abstract excerpt

We have isolated the cDNA for 42Sp48 and EF-1 alpha from mixed stage oocytes and tailbud (stage 22) Xenopus laevis cDNA libraries by use of the cDNA for human elongation factor-1 alpha (EF-1 alpha) as probe. The nucleotide and deduced amino acid sequences of the entire coding region of 42Sp48 and EF-1 alpha cDNA were established. The proposed functional homology of the proteins is reflected in highly conserved...

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