8jiq

Cryo-EM structure of the GLP-1R/GCGR dual agonist Peptide 15-bound human GCGR-Gs complex

Method: ELECTRON MICROSCOPY Dmax: 147.7 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

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

Rattus norvegicus

UniProt P54311

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain B; UniProt 2–340 Not recorded Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) Peptide 15 × 1 Nanobody 35 × 1 Glucagon receptor × 1 (P47871) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

161 other PDB entries and 162 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GBB1_RAT
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 7–345; UniProt 2–340

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

Bos taurus

UniProt P63212

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain C; UniProt 2–71 Not recorded Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P54311) Peptide 15 × 1 Nanobody 35 × 1 Glucagon receptor × 1 (P47871) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

215 other PDB entries and 216 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GBG2_BOVIN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–70; UniProt 2–71

Glucagon receptor

Homo sapiens

UniProt P47871

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain R; UniProt 27–431 Not recorded Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P54311) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) Peptide 15 × 1 Nanobody 35 × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

25 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GLR_HUMAN
Isoform
PDB entities 6
Chains and sequence ranges Author chain R; PDBConstruct 1–405; UniProt 27–431

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.

SAXS scattering curve SAXS Profile

SAXS profile for 8jiq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8jiq
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8jiq
Deposition date deposition_date2023-05-27
Structure title titleCryo-EM structure of the GLP-1R/GCGR dual agonist Peptide 15-bound human GCGR-Gs complex
Keywords keywordsG protein-coupled receptor, ligand recognition, receptor activation, unimolecular dual agonist, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier40.49
Radius of gyration Rg (electron density) rg_electron40.24
Forward intensity I(0) i0236517000.00
Molecular weight molecular_weight123670.0 kDa
Excluded volume excluded_volume154240 ų
Envelope volume envelope_volume205560 ų
Hydration-shell volume shell_volume46197 ų
Envelope diameter envelope_diameter159.9
Shell Rg shell_rg41.81
Envelope Rg envelope_rg41.45
Shape Rg shape_rg40.28
Total Rg total_rg40.18
Total atoms total_atoms8707
Residues n_residues1134
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax147.7
Rg (real space) rg_real41.07
Rg uncertainty (real space) rg_real_error1.79
I(0) (real space) i0_real2.3650e+08
I(0) uncertainty (real space) i0_real_error4.5180e+06
Rg (reciprocal space) rg_reciprocal40.50
I(0) (reciprocal space) i0_reciprocal236400000.0000
Solution quality estimate total_estimate0.7327
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.9
Skewness Skewness skewness0.784
Kurtosis Kurtosis kurtosis0.140
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha37730000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.499; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.466; Smooth: 0.559

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id8jiqB01
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id8jiqN01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id8jiqR01
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology1240 — Hormone receptor fold
Homologous superfamily homologous superfamily10 — GPCR, family 2, extracellular hormone receptor domain
Domain ID domain_id8jiqR02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1070 — Rhopdopsin 7-helix transmembrane proteins
Homologous superfamily homologous superfamily10 — Rhodopsin 7-helix transmembrane proteins

8. Citations (1)

9. Files and Curves (10)