we have isolated [ de haro , c. & ochoa , s. ( 1978 ) proc . natl . acad . sci . usa 75 , 2713-2716 ] a protein factor ( eif-2 stimulating protein , esp ) that is essential for formation of ternary and 40s initiation complexes by the eukaryotic polypeptide chain initiation factor 2 ( eif-2 ) at the low concentrations of eif-2 present in reticulocyte lysates .
C0011198
de
C0041703
usa