9eea

Cryo-EM structure of the adenosine A2A receptor intermediate bound to a miniGs heterotrimer

Method: ELECTRON MICROSCOPY Dmax: 113.0 Å Quality: REASONABLE

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

Adenosine receptor A2a

Homo sapiens

UniProt P29274

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 2–316 Mutation:V229C, R291A 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) Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 (P63092) nanobody Nb35 × 1 ADN ADENOSINE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.36 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.

185 other PDB entries and 189 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AA2AR_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 29–343; UniProt 2–316

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

Homo sapiens

UniProt P62873

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 2–340 Not recorded Adenosine receptor A2a × 1 (P29274) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 (P63092) nanobody Nb35 × 1 ADN ADENOSINE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.36 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.

1260 other PDB entries and 1263 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GBB1_HUMAN
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

Homo sapiens

UniProt P59768

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain C; UniProt 1–71 Not recorded Adenosine receptor A2a × 1 (P29274) Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 (P63092) nanobody Nb35 × 1 ADN ADENOSINE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.36 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.

1233 other PDB entries and 1236 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GBG2_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–71; UniProt 1–71

Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

Homo sapiens

UniProt P63092

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain D; UniProt 5–64 Chain D; UniProt 204–394 Fragment:UNP residues 5-64,204-394,UNP residues 5-64,204-394 Adenosine receptor A2a × 1 (P29274) 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) nanobody Nb35 × 1 ADN ADENOSINE × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.36 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.

348 other PDB entries and 356 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GNAS2_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain D; PDBConstruct 15–74; UniProt 5–64 Author chain D; PDBConstruct 83–263; UniProt 204–394

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 9eea

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9eea
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9eea
Deposition date deposition_date2024-11-18
Structure title titleCryo-EM structure of the adenosine A2A receptor intermediate bound to a miniGs heterotrimer
Keywords keywordsGPCR, Heterotrimer, Receptor, cryo-EM, SIGNALING PROTEIN-IMMUNE SYSTEM complex; SIGNALING PROTEIN/IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier34.22
Radius of gyration Rg (electron density) rg_electron34.17
Forward intensity I(0) i0178779000.00
Molecular weight molecular_weight107170.0 kDa
Excluded volume excluded_volume134080 ų
Envelope volume envelope_volume180080 ų
Hydration-shell volume shell_volume44731 ų
Envelope diameter envelope_diameter123.6
Shell Rg shell_rg39.89
Envelope Rg envelope_rg33.98
Shape Rg shape_rg34.16
Total Rg total_rg34.66
Total atoms total_atoms14648
Residues n_residues1011
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 dmax113.0
Rg (real space) rg_real34.27
Rg uncertainty (real space) rg_real_error0.95
I(0) (real space) i0_real1.7880e+08
I(0) uncertainty (real space) i0_real_error3.3160e+06
Rg (reciprocal space) rg_reciprocal34.24
I(0) (reciprocal space) i0_reciprocal178800000.0000
Solution quality estimate total_estimate0.6574
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary39.3
Skewness Skewness skewness0.419
Kurtosis Kurtosis kurtosis-0.227
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha38100000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.878; Stabil: 1.000; Sysdev: 0.038; Positv: 1.000; Valcen: 0.997; Smooth: 0.798

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)