8yky

Structure of human class T GPCR TAS2R14-Ggustducin complex with agonist 28.1

Method: ELECTRON MICROSCOPY Dmax: 116.2 Å Quality: GOOD

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 1–340 Not recorded G alpha gustducin protein × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) ScFv16 protein × 1 exo-alpha-sialidase,Taste receptor type 2 member 14,LgBit × 1 (Q59310,Q9NYV8) A1AEI 4-methyl-N-[(2M)-2-(1H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)pyrimidin-2-amine × 1 CLR CHOLESTEROL × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.99 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 1–340; UniProt 1–340

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 G alpha gustducin protein × 1 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) ScFv16 protein × 1 exo-alpha-sialidase,Taste receptor type 2 member 14,LgBit × 1 (Q59310,Q9NYV8) A1AEI 4-methyl-N-[(2M)-2-(1H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)pyrimidin-2-amine × 1 CLR CHOLESTEROL × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.99 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

exo-alpha-sialidase,Taste receptor type 2 member 14,LgBit

synthetic construct

UniProt Q59310

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 243–694 Not recorded G alpha gustducin protein × 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) ScFv16 protein × 1 A1AEI 4-methyl-N-[(2M)-2-(1H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)pyrimidin-2-amine × 1 CLR CHOLESTEROL × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.99 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.

12 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q59310_CLOPF
Isoform
PDB entities 5
Chains and sequence ranges Author chain R; PDBConstruct 45–496; UniProt 243–694

exo-alpha-sialidase,Taste receptor type 2 member 14,LgBit

synthetic construct

UniProt Q9NYV8

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 2–317 Not recorded G alpha gustducin protein × 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) ScFv16 protein × 1 A1AEI 4-methyl-N-[(2M)-2-(1H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)pyrimidin-2-amine × 1 CLR CHOLESTEROL × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.99 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.

16 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name T2R14_HUMAN
Isoform
PDB entities 5
Chains and sequence ranges Author chain R; PDBConstruct 502–817; UniProt 2–317

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 8yky

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8yky
Deposition date deposition_date2024-03-05
Structure title titleStructure of human class T GPCR TAS2R14-Ggustducin complex with agonist 28.1
Keywords keywordsGPCR, TAS2R14, Ggustducin, 28.1, SIGNALING PROTEIN, TASTE RECEPTOR.; SIGNALING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier36.03
Radius of gyration Rg (electron density) rg_electron36.03
Forward intensity I(0) i0229091000.00
Molecular weight molecular_weight125160.0 kDa
Excluded volume excluded_volume157830 ų
Envelope volume envelope_volume200600 ų
Hydration-shell volume shell_volume46983 ų
Envelope diameter envelope_diameter122.1
Shell Rg shell_rg41.50
Envelope Rg envelope_rg36.13
Shape Rg shape_rg36.01
Total Rg total_rg36.44
Total atoms total_atoms8800
Residues n_residues1113
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 dmax116.2
Rg (real space) rg_real35.97
Rg uncertainty (real space) rg_real_error0.77
I(0) (real space) i0_real2.2910e+08
I(0) uncertainty (real space) i0_real_error3.8900e+06
Rg (reciprocal space) rg_reciprocal36.01
I(0) (reciprocal space) i0_reciprocal229100000.0000
Solution quality estimate total_estimate0.8962
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.227
Kurtosis Kurtosis kurtosis-0.499
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha40900000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.933; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.856

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)