3o6i

Ligand-binding domain of GluA2 (flip) ionotropic glutamate receptor in complex with an allosteric modulator

Method: X-RAY DIFFRACTION Dmax: 65.3 Å Quality: REASONABLE

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

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 653–795 Fragment:Ligand binding domain, UNP residues 413 to 527 and 653 to 796 GLU GLUTAMIC ACID × 2 O26 2-[({3-tert-butyl-4-[(methylamino)methyl]-1H-pyrazol-1-yl}acetyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide × 2 SO4 SULFATE ION × 10 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.3;277 K;18% PEG 4000, 50mM Lithium sulphate, 2.5% Glycerol, 100mM Sodium Cacodylate pH 4.3, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.80 Å R-free 0.247

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 120–262; UniProt 653–795

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 3o6i

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3o6i
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3o6i
Deposition date deposition_date2010-07-29
Structure title titleLigand-binding domain of GluA2 (flip) ionotropic glutamate receptor in complex with an allosteric modulator
Keywords keywordsTransport protein, Membrane protein, Fusion protein, chimera protein; TRANSPORT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.76
Radius of gyration Rg (electron density) rg_electron18.64
Forward intensity I(0) i016203900.00
Molecular weight molecular_weight30173.0 kDa
Excluded volume excluded_volume37736 ų
Envelope volume envelope_volume43986 ų
Hydration-shell volume shell_volume19498 ų
Envelope diameter envelope_diameter66.0
Shell Rg shell_rg25.10
Envelope Rg envelope_rg19.07
Shape Rg shape_rg18.61
Total Rg total_rg19.66
Total atoms total_atoms2106
Residues n_residues263
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 dmax65.3
Rg (real space) rg_real19.65
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real1.6200e+07
I(0) uncertainty (real space) i0_real_error1.8940e+05
Rg (reciprocal space) rg_reciprocal19.67
I(0) (reciprocal space) i0_reciprocal16200000.0000
Solution quality estimate total_estimate0.7030
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.9
Skewness Skewness skewness0.215
Kurtosis Kurtosis kurtosis-0.362
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3227000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.837; Stabil: 1.000; Sysdev: 0.210; Positv: 1.000; Valcen: 0.999; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3o6ia1
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_idd3o6ia2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id3o6iA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id3o6iA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II

8. Citations (1)

9. Files and Curves (10)