9w6w

5-CT-bound serotonin 5A (5-HT5A) receptor-Gi protein complex

Method: ELECTRON MICROSCOPY Dmax: 123.3 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

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 Insufficient information Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 2–340 Not recorded Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) Guanine nucleotide-binding protein G(i) subunit alpha-1 × 1 (P63096) scFv16 × 1 Soluble cytochrome b562,5-hydroxytryptamine receptor 5A × 1 (P0ABE7,P47898) 8K3 3-(2-azanylethyl)-1H-indole-5-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.13 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 1
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 Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain C; UniProt 1–71 Not recorded Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) Guanine nucleotide-binding protein G(i) subunit alpha-1 × 1 (P63096) scFv16 × 1 Soluble cytochrome b562,5-hydroxytryptamine receptor 5A × 1 (P0ABE7,P47898) 8K3 3-(2-azanylethyl)-1H-indole-5-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.13 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 2
Chains and sequence ranges Author chain C; PDBConstruct 1–71; UniProt 1–71

Guanine nucleotide-binding protein G(i) subunit alpha-1

Homo sapiens

UniProt P63096

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 1–354 Mutation:S47N, G203A, E245A, A326S 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) scFv16 × 1 Soluble cytochrome b562,5-hydroxytryptamine receptor 5A × 1 (P0ABE7,P47898) 8K3 3-(2-azanylethyl)-1H-indole-5-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.13 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.

573 other PDB entries and 591 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GNAI1_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–354; UniProt 1–354

Soluble cytochrome b562,5-hydroxytryptamine receptor 5A

Homo sapiens

UniProt P0ABE7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain R; UniProt 22–127 Not recorded 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(i) subunit alpha-1 × 1 (P63096) scFv16 × 1 8K3 3-(2-azanylethyl)-1H-indole-5-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.13 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.

714 other PDB entries and 822 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C562_ECOLX
Isoform
PDB entities 5
Chains and sequence ranges Author chain R; PDBConstruct 27–132; UniProt 22–127

Soluble cytochrome b562,5-hydroxytryptamine receptor 5A

Homo sapiens

UniProt P47898

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain R; UniProt 9–357 Not recorded 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(i) subunit alpha-1 × 1 (P63096) scFv16 × 1 8K3 3-(2-azanylethyl)-1H-indole-5-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.13 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.

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 5HT5A_HUMAN
Isoform
PDB entities 5
Chains and sequence ranges Author chain R; PDBConstruct 133–481; UniProt 9–357

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 9w6w

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9w6w
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9w6w
Deposition date deposition_date2025-08-05
最后修订 last_revision2025-11-26
Structure title title5-CT-bound serotonin 5A (5-HT5A) receptor-Gi protein complex
Keywords keywordsserotonin receptor 5A, Gi-coupled, 5-carboxamidotryptamine, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier38.21
Radius of gyration Rg (electron density) rg_electron37.95
Forward intensity I(0) i0239072000.00
Molecular weight molecular_weight125130.0 kDa
Excluded volume excluded_volume156580 ų
Envelope volume envelope_volume217300 ų
Hydration-shell volume shell_volume48982 ų
Envelope diameter envelope_diameter123.2
Shell Rg shell_rg42.60
Envelope Rg envelope_rg37.60
Shape Rg shape_rg37.94
Total Rg total_rg38.28
Total atoms total_atoms8793
Residues n_residues1126
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 dmax123.3
Rg (real space) rg_real38.11
Rg uncertainty (real space) rg_real_error0.77
I(0) (real space) i0_real2.3910e+08
I(0) uncertainty (real space) i0_real_error3.6720e+06
Rg (reciprocal space) rg_reciprocal38.18
I(0) (reciprocal space) i0_reciprocal239100000.0000
Solution quality estimate total_estimate0.6805
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary51.1
Skewness Skewness skewness0.164
Kurtosis Kurtosis kurtosis-0.636
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha38140000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.937; Stabil: 1.000; Sysdev: 0.035; Positv: 1.000; Valcen: 0.998; Smooth: 0.927

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)