9x22

Cryo-EM structure of the GLP-1-bound human GLP-1R-Gq complex

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Glucagon-like peptide 1(7-36)

Homo sapiens

UniProt P01275

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 5 Glucagon-like peptide 1 receptor × 1 (P43220) G subunit q (Gi2-mini-Gq chimeric) × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GLUC_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain P; PDBConstruct 1–30; UniProt 98–127

Glucagon-like peptide 1 receptor

Homo sapiens

UniProt P43220

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 5 Glucagon-like peptide 1(7-36) × 1 (P01275) G subunit q (Gi2-mini-Gq chimeric) × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GLP1R_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain R; PDBConstruct 1–440; UniProt 24–463

Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

Homo sapiens

UniProt P62873

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 5 Glucagon-like peptide 1(7-36) × 1 (P01275) Glucagon-like peptide 1 receptor × 1 (P43220) G subunit q (Gi2-mini-Gq chimeric) × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GBB1_HUMAN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain B; PDBConstruct 20–358; UniProt 2–340

Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

Homo sapiens

UniProt P59768

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 5 Glucagon-like peptide 1(7-36) × 1 (P01275) Glucagon-like peptide 1 receptor × 1 (P43220) G subunit q (Gi2-mini-Gq chimeric) × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GBG2_HUMAN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain G; PDBConstruct 1–71; UniProt 1–71

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id9x22
Deposition date deposition_date2025-10-03
Structure title titleCryo-EM structure of the GLP-1-bound human GLP-1R-Gq complex
Keywords keywordsGLP-1R, SIGNALING PROTEIN/IMMUNE SYSTEM, SIGNALING PROTEIN-IMMUNE SYSTEM complex; SIGNALING PROTEIN/IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9x22__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9x22__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

9x22__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)42.36 Å
Rg (electron density)42.56 Å
Total Rg42.44 Å
Atom count8043
Residues1019
Excluded volume143200 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9x22__assembly_1__model_1 pentameric (5) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

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7. Citations (1)