Partial amino acid sequences obtained from purified EBF were used to isolate cDNA clones , which by multiple criteria encode EBF .
partial amino acid sequences obtained from purified ebf were used to isolate cdna clones , which by multiple criteria encode ebf .
O O O O O O O B-protein_molecule O O O O B-DNA_molecule I-DNA_molecule O O O O O O B-protein_molecule O