PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10788626-8 2000 In bovine GH addition of phenylalanine at position 44 increased the somatotrophic activity and receptor affinity in cells containing the human GH receptor. Phenylalanine 25-38 growth hormone receptor Homo sapiens 143-154