using information gained from ( i ) the relative hplc retention of an abnormal insulin present in the serum of a hyperinsulinemic diabetic patient and ( ii ) the loss of an mbo ii restriction site in one of the patient 's insulin gene alleles , it was recently predicted that the mutant insulin contained a serine-for-phenylalanine substitution at position b24 or b25 .
C0021641
insulin
C1337112
insulin gene