Current Protein Identity：Q4A1U8
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 3D2U Structure of UL18, a Peptide-Binding Viral MHC Mimic, Bound to a Host Inhibitory Receptor Deposited 2008-05-08 | Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain A
21–301（281 aa）
Fragment：sequence database residues 21-301
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 MAN alpha-D-mannopyranose × 1 BMA beta-D-mannopyranose × 1 FUC alpha-L-fucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.5；298 K；0.4 M Mg(NO3)2, and 16~22% (w/v) PEG 33500, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
|
Resolution 2.21 Å R-free 0.259 |
| 3D2U Structure of UL18, a Peptide-Binding Viral MHC Mimic, Bound to a Host Inhibitory Receptor Deposited 2008-05-08 | Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain E
21–301（281 aa）
Fragment：sequence database residues 21-301
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.5；298 K；0.4 M Mg(NO3)2, and 16~22% (w/v) PEG 33500, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
|
Resolution 2.21 Å R-free 0.259 |