1GCN: Glucagon

X-ray analysis of glucagon and its relationship to receptor binding. Determined by X-ray diffraction at 3.0 Å resolution. Released 28 Nov 1977.

Method

X-ray diffraction

Resolution

3.0 Å

Organism

Sus scrofa

Chains

1

Atoms

246

Mol. weight

3.49 kDa

Released

28 Nov 1977

Explore 1GCN in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1GCN contains 2 α-helices and 0 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 2 helices, 0 β-strands

Molecules and chains

>1GCN_1 GLUCAGON (chains A)
HSQGTFTSDYSKYLDSRRAQDFVQWLMNT

Primary citation

X-ray analysis of glucagon and its relationship to receptor binding. Sasaki, K., Dockerill, S., Adamiak, D.A. et al. Nature (1975) 257:751-757. DOI 10.1038/257751a0 · PubMed

Related structures

Other PDB entries of the same protein (UniProt P01274 (AlphaFold model), which also has an AlphaFold model), best resolution first:

• 9NTU 2.1 Å, Cryo-EM structure of BETP-GLP-1(9-36)-GLP-1R-Gs complex
• 9MZE 2.2 Å, Cryo-EM structure of GLP-1R-Gs complex with oxyntomodulin
• 9NTV 2.2 Å, Cryo-EM structure of cpd2-oxyntomodulin-GLP_1R-Gs complex
• 9NTW 2.4 Å, Cryo-EM structure of BETP-oxyntomodulin-GLP_1R-Gs complex
• 9NT8 3.0 Å, Cryo-EM structure of GLP-1(9-36)-GLP_1R-Gs complex
• 7LLY 3.3 Å, Oxyntomodulin-bound Glucagon-Like Peptide-1 (GLP-1) Receptor in complex with Gs protein

Browse more

1GCN is part of these collections:

• Insulin and hormones

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