8ykx

Cryo-EM structure of succinate receptor SUCR1 bound to maleic acid

Method: ELECTRON MICROSCOPY Dmax: 124.0 Å Quality: GOOD

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

Succinate receptor 1

Homo sapiens

UniProt Q9BXA5

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 R; UniProt 1–334 Not recorded Guanine nucleotide-binding protein G(i) subunit alpha-1 × 1 (P63096) Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P54311) Antibody fragment ScFv16 × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) MAE MALEIC ACID × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.69 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.

6 other PDB entries and 6 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SUCR1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain R; PDBConstruct 1–334; UniProt 1–334

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 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 1–354 Mutation:S47N,G203A,E245A,A326S Succinate receptor 1 × 1 (Q9BXA5) Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P54311) Antibody fragment ScFv16 × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) MAE MALEIC ACID × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.69 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 2
Chains and sequence ranges Author chain A; PDBConstruct 1–354; UniProt 1–354

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 1–340 Not recorded Succinate receptor 1 × 1 (Q9BXA5) Guanine nucleotide-binding protein G(i) subunit alpha-1 × 1 (P63096) Antibody fragment ScFv16 × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) MAE MALEIC ACID × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.69 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 3
Chains and sequence ranges Author chain B; PDBConstruct 1–340; UniProt 1–340

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain G; UniProt 1–71 Not recorded Succinate receptor 1 × 1 (Q9BXA5) Guanine nucleotide-binding protein G(i) subunit alpha-1 × 1 (P63096) Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P54311) Antibody fragment ScFv16 × 1 MAE MALEIC ACID × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.69 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 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.

SAXS scattering curve SAXS Profile

SAXS profile for 8ykx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8ykx
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8ykx
Deposition date deposition_date2024-03-05
Structure title titleCryo-EM structure of succinate receptor SUCR1 bound to maleic acid
Keywords keywordssuccinate receptor, GPR91, cryo-EM, SUCR1, MEMBRANE PROTEIN, MEMBRANTE PROTEIN-IMMUNE SYSTEM complex; MEMBRANTE PROTEIN/IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier37.84
Radius of gyration Rg (electron density) rg_electron37.75
Forward intensity I(0) i0225167000.00
Molecular weight molecular_weight123820.0 kDa
Excluded volume excluded_volume155920 ų
Envelope volume envelope_volume201700 ų
Hydration-shell volume shell_volume46158 ų
Envelope diameter envelope_diameter130.6
Shell Rg shell_rg41.85
Envelope Rg envelope_rg37.43
Shape Rg shape_rg37.72
Total Rg total_rg38.11
Total atoms total_atoms8710
Residues n_residues1121
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 dmax124.0
Rg (real space) rg_real37.81
Rg uncertainty (real space) rg_real_error0.91
I(0) (real space) i0_real2.2520e+08
I(0) uncertainty (real space) i0_real_error3.7260e+06
Rg (reciprocal space) rg_reciprocal37.83
I(0) (reciprocal space) i0_reciprocal225200000.0000
Solution quality estimate total_estimate0.8992
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary47.3
Skewness Skewness skewness0.213
Kurtosis Kurtosis kurtosis-0.610
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha29750000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.925; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.921

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)