4ug2

Thermostabilised HUMAN A2a Receptor with CGS21680 bound

Method: X-RAY DIFFRACTION Dmax: 98.0 Å Quality: REASONABLE

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

THERMOSTABILISED HUMAN A2A RECEPTOR

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–317 Mutation:YES OLB (2S)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 1 NGI 2-[P-(2-CARBOXYETHYL)PHENYLETHYL-AMINO]-5'-N-ETHYLCARBOXAMIDO ADENOSINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:0.1M ADA, PH7.0, 21.6% PEG 600, 10% CHS Resolution 2.60 Å R-free 0.271
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–317 Mutation:YES OLB (2S)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 1 NGI 2-[P-(2-CARBOXYETHYL)PHENYLETHYL-AMINO]-5'-N-ETHYLCARBOXAMIDO ADENOSINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:0.1M ADA, PH7.0, 21.6% PEG 600, 10% CHS Resolution 2.60 Å R-free 0.271

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 188 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 1–317; UniProt 1–317 Author chain B; PDBConstruct 1–317; UniProt 1–317

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 4ug2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4ug2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4ug2
Deposition date deposition_date2015-03-21
Structure title titleThermostabilised HUMAN A2a Receptor with CGS21680 bound
Keywords keywords;SIGNALING PROTEIN, G SEVEN-HELIX RECEPTOR, INTEGRAL MEMBRANE PROTEIN, AGONIST BOUND FORM, THERMOSTABILISING POINT MUTATIONS, GPCR, 7TM RECEPTOR ;; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.59
Radius of gyration Rg (electron density) rg_electron26.21
Forward intensity I(0) i054918800.00
Molecular weight molecular_weight64280.0 kDa
Excluded volume excluded_volume83217 ų
Envelope volume envelope_volume98445 ų
Hydration-shell volume shell_volume30962 ų
Envelope diameter envelope_diameter102.5
Shell Rg shell_rg33.76
Envelope Rg envelope_rg26.60
Shape Rg shape_rg26.20
Total Rg total_rg27.13
Total atoms total_atoms4526
Residues n_residues568
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 dmax98.0
Rg (real space) rg_real27.53
Rg uncertainty (real space) rg_real_error0.88
I(0) (real space) i0_real5.4920e+07
I(0) uncertainty (real space) i0_real_error8.7480e+05
Rg (reciprocal space) rg_reciprocal27.55
I(0) (reciprocal space) i0_reciprocal54920000.0000
Solution quality estimate total_estimate0.6784
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary36.1
Skewness Skewness skewness0.241
Kurtosis Kurtosis kurtosis-0.379
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8963000.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.779; Stabil: 1.000; Sysdev: 0.177; Positv: 1.000; Valcen: 0.956; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id4ug2A00
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
Domain ID domain_id4ug2B00
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)