8g18

Heterodimer of the GluN1b-GluN2B NMDA receptor amino-terminal domains bound to allosteric inhibitor 93-108

Method: X-RAY DIFFRACTION Dmax: 131.9 Å Quality: GOOD

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

Glutamate receptor ionotropic, NMDA 1

Xenopus laevis

UniProt A0A1L8F5J9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 23–185 Chain A; UniProt 190–386 Not recorded Glutamate receptor ionotropic, NMDA 2B × 1 (Q00960) ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 NA SODIUM ION × 1 YGW N-(4-{3-[4-(3,4-difluorophenyl)piperazin-1-yl]-2-oxopropoxy}phenyl)methanesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;sodium formate, HEPES, sodium chloride, Tris Resolution 2.85 Å R-free 0.246
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 23–185 Chain C; UniProt 190–386 Not recorded Glutamate receptor ionotropic, NMDA 2B × 1 (Q00960) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 NA SODIUM ION × 1 YGW N-(4-{3-[4-(3,4-difluorophenyl)piperazin-1-yl]-2-oxopropoxy}phenyl)methanesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;sodium formate, HEPES, sodium chloride, Tris Resolution 2.85 Å R-free 0.246

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.

8 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NMDZ1_XENLA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–163; UniProt 23–185 Author chain A; PDBConstruct 189–385; UniProt 190–386 Author chain C; PDBConstruct 1–163; UniProt 23–185 Author chain C; PDBConstruct 189–385; UniProt 190–386

Glutamate receptor ionotropic, NMDA 2B

Rattus norvegicus

UniProt Q00960

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 32–394 Not recorded Glutamate receptor ionotropic, NMDA 1 × 1 (A0A1L8F5J9) ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 NA SODIUM ION × 1 YGW N-(4-{3-[4-(3,4-difluorophenyl)piperazin-1-yl]-2-oxopropoxy}phenyl)methanesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;sodium formate, HEPES, sodium chloride, Tris Resolution 2.85 Å R-free 0.246
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 32–394 Not recorded Glutamate receptor ionotropic, NMDA 1 × 1 (A0A1L8F5J9) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 NA SODIUM ION × 1 YGW N-(4-{3-[4-(3,4-difluorophenyl)piperazin-1-yl]-2-oxopropoxy}phenyl)methanesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;sodium formate, HEPES, sodium chloride, Tris Resolution 2.85 Å R-free 0.246

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.

59 other PDB entries and 72 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NMDE2_RAT
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–363; UniProt 32–394 Author chain D; PDBConstruct 1–363; UniProt 32–394

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 8g18

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8g18
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8g18
Deposition date deposition_date2023-02-01
Structure title titleHeterodimer of the GluN1b-GluN2B NMDA receptor amino-terminal domains bound to allosteric inhibitor 93-108
Keywords keywordsNMDAR, amino-terminal domain, allosteric inhibitor, MEMBRANE PROTEIN, MEMBRANE PROTEIN-INHIBITOR complex; MEMBRANE PROTEIN/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier41.26
Radius of gyration Rg (electron density) rg_electron41.13
Forward intensity I(0) i0370807000.00
Molecular weight molecular_weight160520.0 kDa
Excluded volume excluded_volume201820 ų
Envelope volume envelope_volume266420 ų
Hydration-shell volume shell_volume54619 ų
Envelope diameter envelope_diameter137.3
Shell Rg shell_rg46.03
Envelope Rg envelope_rg40.28
Shape Rg shape_rg41.15
Total Rg total_rg41.30
Total atoms total_atoms11306
Residues n_residues1443
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 dmax131.9
Rg (real space) rg_real41.26
Rg uncertainty (real space) rg_real_error1.15
I(0) (real space) i0_real3.7080e+08
I(0) uncertainty (real space) i0_real_error6.7930e+06
Rg (reciprocal space) rg_reciprocal41.26
I(0) (reciprocal space) i0_reciprocal370800000.0000
Solution quality estimate total_estimate0.8970
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary45.1
Skewness Skewness skewness0.263
Kurtosis Kurtosis kurtosis-0.681
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha44720000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.925; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.889

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)