7byd

Crystal structure of SN45 TCR in complex with lipopeptide-bound Mamu-B*05104

Method: X-RAY DIFFRACTION Dmax: 146.6 Å Quality: GOOD

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

B protein

Macaca mulatta

UniProt B2ZHY7

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 22–297 Mutation:R149E,K198E,D244E Beta-2-microglobulin × 1 (Q6V7J5) GLY-GLY-ALA-ILE × 1 SN45 T cell receptor alpha chain × 1 SN45 T cell receptor beta chain × 1 IOD IODIDE ION × 9 EDO 1,2-ETHANEDIOL × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 CA CALCIUM ION × 1 MYR MYRISTIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;0.2 M sodium iodide, 0.1 M Bis-Tris-propane pH 6.5 and 20% PEG3350 Resolution 2.80 Å R-free 0.250
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 22–297 Mutation:R149E,K198E,D244E Beta-2-microglobulin × 1 (Q6V7J5) GLY-GLY-ALA-ILE × 1 SN45 T cell receptor alpha chain × 1 SN45 T cell receptor beta chain × 1 IOD IODIDE ION × 10 EDO 1,2-ETHANEDIOL × 3 MYR MYRISTIC ACID × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;0.2 M sodium iodide, 0.1 M Bis-Tris-propane pH 6.5 and 20% PEG3350 Resolution 2.80 Å R-free 0.250

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.

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2ZHY7_MACMU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–276; UniProt 22–297 Author chain F; PDBConstruct 1–276; UniProt 22–297

Beta-2-microglobulin

Macaca mulatta

UniProt Q6V7J5

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 20–119 Not recorded B protein × 1 (B2ZHY7) GLY-GLY-ALA-ILE × 1 SN45 T cell receptor alpha chain × 1 SN45 T cell receptor beta chain × 1 IOD IODIDE ION × 9 EDO 1,2-ETHANEDIOL × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 CA CALCIUM ION × 1 MYR MYRISTIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;0.2 M sodium iodide, 0.1 M Bis-Tris-propane pH 6.5 and 20% PEG3350 Resolution 2.80 Å R-free 0.250
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain G; UniProt 20–119 Not recorded B protein × 1 (B2ZHY7) GLY-GLY-ALA-ILE × 1 SN45 T cell receptor alpha chain × 1 SN45 T cell receptor beta chain × 1 IOD IODIDE ION × 10 EDO 1,2-ETHANEDIOL × 3 MYR MYRISTIC ACID × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;0.2 M sodium iodide, 0.1 M Bis-Tris-propane pH 6.5 and 20% PEG3350 Resolution 2.80 Å R-free 0.250

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.

15 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_MACMU
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–100; UniProt 20–119 Author chain G; PDBConstruct 1–100; UniProt 20–119

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 7byd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7byd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7byd
Deposition date deposition_date2020-04-22
Structure title titleCrystal structure of SN45 TCR in complex with lipopeptide-bound Mamu-B*05104
Keywords keywordsMajor histocompatibility complex class 1, T cell receptor, lipopeptide, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier43.75
Radius of gyration Rg (electron density) rg_electron43.29
Forward intensity I(0) i0579870000.00
Molecular weight molecular_weight189450.0 kDa
Excluded volume excluded_volume232750 ų
Envelope volume envelope_volume330880 ų
Hydration-shell volume shell_volume64225 ų
Envelope diameter envelope_diameter152.7
Shell Rg shell_rg47.54
Envelope Rg envelope_rg42.62
Shape Rg shape_rg43.29
Total Rg total_rg43.47
Total atoms total_atoms13219
Residues n_residues1635
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 dmax146.6
Rg (real space) rg_real43.78
Rg uncertainty (real space) rg_real_error1.97
I(0) (real space) i0_real5.7990e+08
I(0) uncertainty (real space) i0_real_error1.2740e+07
Rg (reciprocal space) rg_reciprocal43.75
I(0) (reciprocal space) i0_reciprocal579800000.0000
Solution quality estimate total_estimate0.8764
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary52.9
Skewness Skewness skewness0.369
Kurtosis Kurtosis kurtosis-0.282
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha50870000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.862; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.809

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (12)

8. Citations (1)

9. Files and Curves (10)