Glucagon

Diagnostic, Therapeutic

Indicated as a diagnostic aid in radiologic exams to temporarily inhibit the movement of the gastrointestinal tract and to treat severe hypoglycemia

Structural features

SMILES

CSCC[C@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC1=CNC2=CC=CC=C12)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](C)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CO)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC1=CC=C(O)C=C1)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@H](CC1=CC=C(O)C=C1)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)[C@@H](NC(=O)CNC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CO)NC(=O)[C@@H](N)CC1=CNC=N1)[C@@H](C)O)[C@@H](C)O)C(C)C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O

Sequence

HSQGTFTSDYSKYLDSRRAQDFVQWLMNT

Molar mass

3482.8 g/mol

Constitutional members:

29

Natural amino acids

29

D-Amino acids

0

N-terminus

H

C-terminus

COOH

Cyclic

no

Members/cycle

N.A.

Bond to form cycle

N.A.

Lipidation

no

Glycosylation

no

Route of administration

NASAL, IV, IM, SC

Terminal half-life

26 min (IM), 35 min (NP), 32 min (SC)

Protein binding

No binding

Absorption and Bioavailability

A 1mg intravenous dose of glucagon reaches a Cmax of 7.9ng/mL with a Tmax of 20 minutes.6 An intramuscular dose reaches a Cmax of 6.9ng/mL with a Tmax of 13 minutes.6 A 3mg dose of glucagon nasal powder reaches a Cmax of 6130pg/mL with a Tmax of 15 minutes.8

References