PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3601655-6 1987 Comparison of the amino acid sequence of the vitellogenin A2 molecule with biochemical data obtained from the different yolk proteins allowed us to localize the cleavage products on the vitellogenin precursor as follows: NH2 - lipovitellin I - phosvitin (or phosvette II - phosvette I) - lipovitellin II - COOH. lipovitellin ii 288-303 a1-a Xenopus laevis 45-57