Liraglutide is a long-acting GLP1 analogue sharing 97% a.a. homology to human GLP1. Liraglutide differs from GLP1 by the substitution of arginine for lysine at position 34. While GLP1 is degraded swiftly by DPP4 resulting in short life of insulin, Liraglutide contains a fatty acid that binds to albumin and prolongs the half-life of the structure. liraglutide causes insulin to secret in the presence of increasing glucose levels. Due toits receptor site, liraglutide inhibits glucagon secretion and delays gastric emptying.
Liraglutide peptide is a single, non-glycosylated polypeptide chain containing 31 amino acids, having a molecular mass of 3751 Dalton and a Molecular formula of C172H265N43O51.
Amino acid sequence
It is recommended to reconstitute the lyophilized Liraglutide in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Lypressin is also soluble in 1% Acetic Acid.
Store the lyophilized Liraglutide between 2-8°C, do not freeze. Upon reconstitution Lypressin should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles.
Greater than 97% as determined by RP-HPLC.