6hch

STRUCTURE OF GLUA2 LIGAND-BINDING DOMAIN (S1S2J-L504Y-N775S) IN COMPLEX WITH GLUTAMATE AND TDPAM01 AT 1.6 A RESOLUTION.

Method: X-RAY DIFFRACTION Dmax: 104.4 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 653–797 Chain B; UniProt 413–527 Chain B; UniProt 653–797 Not recorded GLU GLUTAMIC ACID × 2 ZN ZINC ION × 15 D45 6,6'-(Ethane-1,2-diyl)bis(4-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide) × 1 ACT ACETATE ION × 5 GOL GLYCEROL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;279 K;15% PEG4000, 0.1 M zinc acetate, 0.1 M sodium acetate Resolution 1.60 Å R-free 0.178
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 413–527 Chain C; UniProt 653–797 Not recorded GLU GLUTAMIC ACID × 2 ZN ZINC ION × 16 D45 6,6'-(Ethane-1,2-diyl)bis(4-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide) × 2 ACT ACETATE ION × 6 GOL GLYCEROL × 2 CL CHLORIDE ION × 4 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;279 K;15% PEG4000, 0.1 M zinc acetate, 0.1 M sodium acetate Resolution 1.60 Å R-free 0.178

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 481 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 Author chain C; PDBConstruct 3–117; UniProt 413–527 Author chain C; 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 6hch

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6hch
Deposition date deposition_date2018-08-15
Structure title titleSTRUCTURE OF GLUA2 LIGAND-BINDING DOMAIN (S1S2J-L504Y-N775S) IN COMPLEX WITH GLUTAMATE AND TDPAM01 AT 1.6 A RESOLUTION.
Keywords keywords;ampa receptor, gluA2, ligand-binding domain, glua2-S1S2J-L504Y-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_guinier31.61
Radius of gyration Rg (electron density) rg_electron30.91
Forward intensity I(0) i0135071000.00
Molecular weight molecular_weight91072.0 kDa
Excluded volume excluded_volume113380 ų
Envelope volume envelope_volume145600 ų
Hydration-shell volume shell_volume39566 ų
Envelope diameter envelope_diameter108.7
Shell Rg shell_rg37.44
Envelope Rg envelope_rg30.92
Shape Rg shape_rg30.84
Total Rg total_rg31.72
Total atoms total_atoms12605
Residues n_residues788
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 dmax104.4
Rg (real space) rg_real31.62
Rg uncertainty (real space) rg_real_error0.69
I(0) (real space) i0_real1.3510e+08
I(0) uncertainty (real space) i0_real_error2.1440e+06
Rg (reciprocal space) rg_reciprocal31.62
I(0) (reciprocal space) i0_reciprocal135100000.0000
Solution quality estimate total_estimate0.6995
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary35.5
Skewness Skewness skewness0.357
Kurtosis Kurtosis kurtosis-0.368
Angular range angular_range— – 0.2500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha32490000.0000
Real-space data points n_real_points51
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.878; Stabil: 1.000; Sysdev: 0.169; Positv: 1.000; Valcen: 0.997; Smooth: 0.952

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd6hcha1
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_idd6hcha2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd6hchb1
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_idd6hchb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd6hchc1
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_idd6hchc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (6 domains)

Domain ID domain_id6hchA01
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_id6hchA02
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_id6hchB01
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_id6hchB02
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_id6hchC01
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_id6hchC02
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)