6hcb

STRUCTURE OF GLUA2 LIGAND-BINDING DOMAIN (S1S2J-N775S) IN COMPLEX WITH GLUTAMATE AND TDPAM01 AT 1.9 A RESOLUTION.

Method: X-RAY DIFFRACTION Dmax: 79.8 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 413–527 Chain A; UniProt 653–797 Chain B; UniProt 413–527 Chain B; UniProt 653–797 Not recorded SO4 SULFATE ION × 9 GLU GLUTAMIC ACID × 2 GOL GLYCEROL × 4 CL CHLORIDE ION × 4 PEG DI(HYDROXYETHYL)ETHER × 2 D45 6,6'-(Ethane-1,2-diyl)bis(4-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide) × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;279 K;15% PEG4000, 0.1 M ammonium sulphate, 0.1 M phosphate citrate Resolution 1.90 Å R-free 0.192

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 Author chain B; PDBConstruct 3–117; UniProt 413–527 Author chain B; 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 6hcb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6hcb
Deposition date deposition_date2018-08-14
Structure title titleSTRUCTURE OF GLUA2 LIGAND-BINDING DOMAIN (S1S2J-N775S) IN COMPLEX WITH GLUTAMATE AND TDPAM01 AT 1.9 A RESOLUTION.
Keywords keywordsampa receptor, gluA2, ligand-binding domain, glua2-S1S2J-N775S, membrane protein, signaling protein, positive allosteric modulator; MEMBRANE PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.10
Radius of gyration Rg (electron density) rg_electron23.93
Forward intensity I(0) i060590800.00
Molecular weight molecular_weight60171.0 kDa
Excluded volume excluded_volume75193 ų
Envelope volume envelope_volume90527 ų
Hydration-shell volume shell_volume30523 ų
Envelope diameter envelope_diameter84.1
Shell Rg shell_rg32.10
Envelope Rg envelope_rg24.21
Shape Rg shape_rg23.88
Total Rg total_rg24.98
Total atoms total_atoms8400
Residues n_residues521
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 dmax79.8
Rg (real space) rg_real24.99
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real6.0590e+07
I(0) uncertainty (real space) i0_real_error7.6470e+05
Rg (reciprocal space) rg_reciprocal25.02
I(0) (reciprocal space) i0_reciprocal60590000.0000
Solution quality estimate total_estimate0.8985
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.4
Skewness Skewness skewness0.178
Kurtosis Kurtosis kurtosis-0.492
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13950000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.906; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.959

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd6hcba_
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_idd6hcbb1
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_idd6hcbb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id6hcbA01
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_id6hcbA02
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_id6hcbB01
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_id6hcbB02
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)