Steric requirements at position B12 for high biological activity in insulin.
Hu SQ, Burke GT, Schwartz GP, Ferderigos N, Ross JB, Katsoyannis PG.
Hu SQ, et al. Among authors: burke gt.
Biochemistry. 1993 Mar 16;32(10):2631-5. doi: 10.1021/bi00061a022.
Biochemistry. 1993.
PMID: 8448120
Substitution of B12 Val with alpha-aminoisobutyric acid (Aib), D-Ala, and Phe led to analogues possessing biological activities, in lipogenesis assays, of 8.5%, 2%, and 0.2%, respectively, relative to that of natural insulin. Inversion of the B11-B12 sequence, -Leu-Val-, l …
Substitution of B12 Val with alpha-aminoisobutyric acid (Aib), D-Ala, and Phe led to analogues possessing biological activities, in lipogene …