9hy4

Solubly expressed miniaturized SMART H2-Db

Method: X-RAY DIFFRACTION Dmax: 94.6 Å Quality: GOOD

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

H-2 class I histocompatibility antigen, D-B alpha chain

Mus musculus

UniProt P01899

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 24–203 Chain C; UniProt 24–203 Not recorded LYS-ALA-VAL-TYR-ASN-PHE-ALA-THR-MET × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293.15 K;0.2 M sodium acetate trihydrate, 0.1 M TRIS hydrochloride pH 8.5, and 30% w/v polyethylene glycol, PEG 4,000 Resolution 2.00 Å R-free 0.281

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.

93 other PDB entries and 202 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HA11_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 76–255; UniProt 24–203 Author chain C; PDBConstruct 76–255; UniProt 24–203

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 9hy4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9hy4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9hy4
Deposition date deposition_date2025-01-09
Structure title titleSolubly expressed miniaturized SMART H2-Db
Keywords keywordsMHC, soluble expression, 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_guinier27.12
Radius of gyration Rg (electron density) rg_electron26.58
Forward intensity I(0) i056481900.00
Molecular weight molecular_weight56458.0 kDa
Excluded volume excluded_volume69687 ų
Envelope volume envelope_volume86991 ų
Hydration-shell volume shell_volume28419 ų
Envelope diameter envelope_diameter96.3
Shell Rg shell_rg32.64
Envelope Rg envelope_rg26.52
Shape Rg shape_rg26.60
Total Rg total_rg27.11
Total atoms total_atoms3987
Residues n_residues480
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 dmax94.6
Rg (real space) rg_real27.25
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real5.6480e+07
I(0) uncertainty (real space) i0_real_error8.3210e+05
Rg (reciprocal space) rg_reciprocal27.21
I(0) (reciprocal space) i0_reciprocal56480000.0000
Solution quality estimate total_estimate0.8560
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.4
Skewness Skewness skewness0.515
Kurtosis Kurtosis kurtosis-0.146
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16170000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.740; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.934; Smooth: 0.970

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)