6yk2

Structure of the AMPA receptor GluA2o ligand-binding domain (S1S2J) in complex with the compound (S)-1-[2'-Amino-2'-carboxyethyl]-5,7-dihydrothieno[3,4-d]pyrimidin- 2,4(1H,3H)-dione at resolution 1.60A

Method: X-RAY DIFFRACTION Dmax: 68.7 Å Quality: REASONABLE

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

Glutamate receptor 2,Glutamate receptor 2

Rattus norvegicus

UniProt P19491

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 413–527 Chain A; UniProt 653–797 Not recorded SO4 SULFATE ION × 6 GOL GLYCEROL × 10 CGW (2~{S})-2-azanyl-3-[2,4-bis(oxidanylidene)-5,7-dihydrothieno[3,4-d]pyrimidin-1-yl]propanoic acid × 2 CL CHLORIDE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;279 K;15% PEG4000, 0.3M Lithium Sulfate, 0.1M acetate Resolution 1.61 Å R-free 0.163

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.

333 other PDB entries and 482 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GRIA2_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–117; UniProt 413–527 Author chain A; PDBConstruct 120–264; UniProt 653–797

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 6yk2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6yk2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6yk2
Deposition date deposition_date2020-04-05
Structure title titleStructure of the AMPA receptor GluA2o ligand-binding domain (S1S2J) in complex with the compound (S)-1-[2'-Amino-2'-carboxyethyl]-5,7-dihydrothieno[3,4-d]pyrimidin- 2,4(1H,3H)-dione at resolution 1.60A
Keywords keywordsIONOTROPIC GLUTAMATE RECEPTOR, GLUA2O LIGAND-BINDING DOMAIN, BICYCLIC PYRIMIDINEDIONE ANALOGUE, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.84
Radius of gyration Rg (electron density) rg_electron18.74
Forward intensity I(0) i015260300.00
Molecular weight molecular_weight29313.0 kDa
Excluded volume excluded_volume36680 ų
Envelope volume envelope_volume43106 ų
Hydration-shell volume shell_volume19158 ų
Envelope diameter envelope_diameter68.9
Shell Rg shell_rg25.09
Envelope Rg envelope_rg19.14
Shape Rg shape_rg18.71
Total Rg total_rg19.76
Total atoms total_atoms2048
Residues n_residues262
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 dmax68.7
Rg (real space) rg_real19.76
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real1.5260e+07
I(0) uncertainty (real space) i0_real_error1.8680e+05
Rg (reciprocal space) rg_reciprocal19.77
I(0) (reciprocal space) i0_reciprocal15260000.0000
Solution quality estimate total_estimate0.6829
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.2
Skewness Skewness skewness0.262
Kurtosis Kurtosis kurtosis-0.306
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3564000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.757; Stabil: 1.000; Sysdev: 0.210; Positv: 1.000; Valcen: 0.979; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6yk2a1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.1 — Phosphate binding protein-like
Domain ID domain_idd6yk2a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

8. Citations (1)

9. Files and Curves (10)