4u5d

Crystal structure of GluA2, con-ikot-ikot snail toxin, partial agonist KA and postitive modulator (R,R)-2b complex

Method: X-RAY DIFFRACTION Dmax: 194.3 Å Quality: GOOD

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 heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 25–845 Chain B; UniProt 25–845 Chain C; UniProt 25–845 Chain D; UniProt 25–845 Not recorded Con-ikot-ikot × 2 (P0CB20) KAI 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FWF N,N'-[biphenyl-4,4'-diyldi(2R)propane-2,1-diyl]dipropane-2-sulfonamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;0.1 M MES pH 5.8-6.3, 0.1 M NaCl, 5%-6% PEG3350 Resolution 3.58 Å R-free 0.297

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 1–814; UniProt 25–845 Author chain B; PDBConstruct 1–814; UniProt 25–845 Author chain C; PDBConstruct 1–814; UniProt 25–845 Author chain D; PDBConstruct 1–814; UniProt 25–845

Con-ikot-ikot

Conus striatus

UniProt P0CB20

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain E; UniProt 38–123 Chain F; UniProt 38–123 Not recorded Glutamate receptor 2 × 4 (P19491) KAI 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FWF N,N'-[biphenyl-4,4'-diyldi(2R)propane-2,1-diyl]dipropane-2-sulfonamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;0.1 M MES pH 5.8-6.3, 0.1 M NaCl, 5%-6% PEG3350 Resolution 3.58 Å R-free 0.297

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 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CONII_CONST
Isoform
PDB entities 2
Chains and sequence ranges Author chain E; PDBConstruct 5–90; UniProt 38–123 Author chain F; PDBConstruct 5–90; UniProt 38–123

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 4u5d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4u5d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4u5d
Deposition date deposition_date2014-07-25
Structure title titleCrystal structure of GluA2, con-ikot-ikot snail toxin, partial agonist KA and postitive modulator (R,R)-2b complex
Keywords keywordsAMPA receptor, Transport protein-toxin complex; Transport protein/toxin
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier56.00
Radius of gyration Rg (electron density) rg_electron56.86
Forward intensity I(0) i01552880000.00
Molecular weight molecular_weight336800.0 kDa
Excluded volume excluded_volume423740 ų
Envelope volume envelope_volume636860 ų
Hydration-shell volume shell_volume94936 ų
Envelope diameter envelope_diameter196.3
Shell Rg shell_rg57.25
Envelope Rg envelope_rg56.21
Shape Rg shape_rg56.92
Total Rg total_rg56.65
Total atoms total_atoms23720
Residues n_residues3132
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 dmax194.3
Rg (real space) rg_real56.06
Rg uncertainty (real space) rg_real_error1.83
I(0) (real space) i0_real1.5530e+09
I(0) uncertainty (real space) i0_real_error3.1440e+07
Rg (reciprocal space) rg_reciprocal55.93
I(0) (reciprocal space) i0_reciprocal1553000000.0000
Solution quality estimate total_estimate0.8655
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary69.4
Skewness Skewness skewness0.351
Kurtosis Kurtosis kurtosis-0.306
Angular range angular_range— – 0.1400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha126600000.0000
Real-space data points n_real_points29
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.845; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.716

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id4u5dE00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily1800
Domain ID domain_id4u5dF00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily1800

8. Citations (1)

9. Files and Curves (10)