PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1631041-5 1992 Conformational changes of this type could serve as a recognition signal allowing in vivo discrimination between the free and retinol complexed forms of the beta-lactoglobulin molecule. Vitamin A 125-132 beta-lactoglobulin Bos taurus 156-174