The primary structure of ribosomal protein eL12/eL12‐P from Artemia salina 80 S ribosomes

Protein eL12/eL12-P from Artemia salina 80 S ribosomes plays a role in the elongation step of protein synthetic reactions [l-3]. It is an acidic protein which was shown [2,3] to be partially phosphorylated on a single serine residue. Like the homologous proteins from procaryotic organisms, eL12/eL12-P from A. dina occurs in more than one copy per large subunit [3]; the isolated protein dimerizes in aqueous solutions [ 31.