9ohx

CD1c presenting endogenous lipids

Method: X-RAY DIFFRACTION Dmax: 79.4 Å Quality: GOOD

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

Beta-2-microglobulin

Homo sapiens

UniProt P61769

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 20–119 Not recorded T-cell surface glycoprotein CD1c/T-cell surface glycoprotein CD1b chimeric protein × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 KZF 2-(cyclohexylazaniumyl)ethanesulfonate × 3 EKG (2R)-2,3-dihydroxypropyl hexadecanoate × 1 D10 DECANE × 1 D12 DODECANE × 1 R16 HEXADECANE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 9.4;293 K;100 mM CHES, 1.05 M sodium citrate, 25 mM triglycine Resolution 1.68 Å R-free 0.217

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.

1313 other PDB entries and 1998 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 3–102; 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 9ohx

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9ohx
Deposition date deposition_date2025-05-05
Structure title titleCD1c presenting endogenous lipids
Keywords keywordsCD1c, 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_guinier24.50
Radius of gyration Rg (electron density) rg_electron23.51
Forward intensity I(0) i029463700.00
Molecular weight molecular_weight43167.0 kDa
Excluded volume excluded_volume54590 ų
Envelope volume envelope_volume66545 ų
Hydration-shell volume shell_volume23904 ų
Envelope diameter envelope_diameter83.4
Shell Rg shell_rg30.11
Envelope Rg envelope_rg23.76
Shape Rg shape_rg23.50
Total Rg total_rg24.38
Total atoms total_atoms3054
Residues n_residues377
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 dmax79.4
Rg (real space) rg_real24.49
Rg uncertainty (real space) rg_real_error0.53
I(0) (real space) i0_real2.9460e+07
I(0) uncertainty (real space) i0_real_error4.5700e+05
Rg (reciprocal space) rg_reciprocal24.50
I(0) (reciprocal space) i0_reciprocal29460000.0000
Solution quality estimate total_estimate0.8958
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.7
Skewness Skewness skewness0.341
Kurtosis Kurtosis kurtosis-0.350
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3970000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.902; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.984; Smooth: 0.950

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

8. Citations (1)

9. Files and Curves (10)