Current Protein Identity：Q4U5Z6
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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 |
|---|---|---|---|---|---|---|---|
| 6KVM Crystal structure of Chicken MHC Class II for 1.9 angstrom Deposited 2019-09-04 | Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain A
24–217（194 aa）
|
Not recorded | GOL GLYCEROL × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 8.5；291 K；30% PEG 4000, 100mM Tris base/Hydrochloric acid pH 8.5, 200mM Lithium sulfate
|
Resolution 1.90 Å R-free 0.227 |
| 6T3Y Improved High Resolution Structure of MHC Class II complex Deposited 2019-10-11 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
27–207（181 aa）
|
Not recorded | GOL GLYCEROL × 3 ACT ACETATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.2 M Na Acetate
0.1 M TRIS
30 %w/v PEG 4K
|
Resolution 1.70 Å R-free 0.202 |
| 6ZWA CLIP peptide bound to chicken MHC class II molecule (BL-2) from B19 haplotype Deposited 2020-07-28 | Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
27–207（181 aa）
|
Not recorded | PEG DI(HYDROXYETHYL)ETHER × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 8.5；298 K；0.1 M TRIS pH 8.5, 20.0% w/v PEG 4000, 200mM CaCl2
|
Resolution 1.68 Å R-free 0.252 |
| 7APZ CLIP peptide bound to chicken MHC class II molecule (BL-2) from B2 haplotype with a decamer mode of binding Deposited 2020-10-20 | Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain A
27–207（181 aa）
|
Not recorded | IMD IMIDAZOLE × 4 ACE ACETYL GROUP × 20 ZN ZINC ION × 20 PEG DI(HYDROXYETHYL)ETHER × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 NI NICKEL (II) ION × 2 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.2 M Zinc Acetate (Salt)
0.1 M Imidazole pH 6.5 (Buffer)
10 %w/v PEG 8000 (Precipitant)
|
Resolution 1.97 Å R-free 0.255 |
| 7PDY A viral peptide from Marek's disease virus bound to chicken MHC-II molecule Deposited 2021-08-09 | Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
27–214（188 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GOL GLYCEROL × 3 ACT ACETATE ION × 3 PEG DI(HYDROXYETHYL)ETHER × 2 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 4.6；293 K；PEG 4000, sodium acetate
|
Resolution 2.54 Å R-free 0.252 |
| 7PDY A viral peptide from Marek's disease virus bound to chicken MHC-II molecule Deposited 2021-08-09 | Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain C
27–214（188 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 GOL GLYCEROL × 1 ACT ACETATE ION × 3 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 4.6；293 K；PEG 4000, sodium acetate
|
Resolution 2.54 Å R-free 0.252 |
| 7PDY A viral peptide from Marek's disease virus bound to chicken MHC-II molecule Deposited 2021-08-09 | Assembly 3 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain E
27–214（188 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GOL GLYCEROL × 1 ACT ACETATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 4.6；293 K；PEG 4000, sodium acetate
|
Resolution 2.54 Å R-free 0.252 |