PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1477273-6 1992 Two alternative positions of B25 Phe and A21 Asn observed in cubic insulin at pH 11 are similar to those found in two independent molecules of the 2Zn insulin dimer at pH 6.4. Phenylalanine 33-36 insulin Bos taurus 67-74 1477273-6 1992 Two alternative positions of B25 Phe and A21 Asn observed in cubic insulin at pH 11 are similar to those found in two independent molecules of the 2Zn insulin dimer at pH 6.4. Phenylalanine 33-36 insulin Bos taurus 151-158