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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P01888 New Search
11PDB entries
17Biological assembly
17chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

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
1BMG CRYSTAL STRUCTURE OF BOVINE BETA2-MICROGLOBULIN Deposited 1995-07-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–118（98 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.50 Å R-free 0.290
2XFX cattle MHC class I N01301 presenting an 11mer from Theileria parva Deposited 2010-05-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 20–118（99 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；20% PEG 8000, 50MM POTASSIUM PHOSPHATE, PH 7.0
Resolution 1.90 Å R-free 0.238
3L9R Crystal structure of bovine CD1b3 with endogenously bound ligands Deposited 2010-01-05 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 21–118（98 aa） Fragment：UNP residues 21-118
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 L9R (2S)-3-(octadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；100 mM Na cacodylate pH 6.5, 2 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.30 Å R-free 0.248
3L9R Crystal structure of bovine CD1b3 with endogenously bound ligands Deposited 2010-01-05 Assembly 2 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 21–118（98 aa） Fragment：UNP residues 21-118
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GOL GLYCEROL × 3 L9Q (1S)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(octadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；100 mM Na cacodylate pH 6.5, 2 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.30 Å R-free 0.248
3L9R Crystal structure of bovine CD1b3 with endogenously bound ligands Deposited 2010-01-05 Assembly 3 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 21–118（98 aa） Fragment：UNP residues 21-118
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 L9R (2S)-3-(octadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；100 mM Na cacodylate pH 6.5, 2 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.30 Å R-free 0.248
3L9R Crystal structure of bovine CD1b3 with endogenously bound ligands Deposited 2010-01-05 Assembly 4 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 21–118（98 aa） Fragment：UNP residues 21-118
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GOL GLYCEROL × 4 L9Q (1S)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(octadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；100 mM Na cacodylate pH 6.5, 2 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.30 Å R-free 0.248
3PWV An immmunodominant CTL epitope from rinderpest virus presented by cattle MHC class I molecule N*01801 (BoLA-A11) Deposited 2010-12-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 21–118（98 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；291 K；pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.70 Å R-free 0.232
3PWV An immmunodominant CTL epitope from rinderpest virus presented by cattle MHC class I molecule N*01801 (BoLA-A11) Deposited 2010-12-09 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain E 21–118（98 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；291 K；pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.70 Å R-free 0.232
4F7C Crystal structure of bovine CD1d with bound C12-di-sulfatide Deposited 2012-05-15 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 21–118（98 aa） Fragment：UNP residues 21-118
Not recorded 0SG N-{(2S,3R,4E)-1-[(3,6-di-O-sulfo-beta-D-galactopyranosyl)oxy]-3-hydroxyoctadec-4-en-2-yl}dodecanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；20% PEG3350, 200 mM sodium formate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.86 Å R-free 0.291
4F7C Crystal structure of bovine CD1d with bound C12-di-sulfatide Deposited 2012-05-15 Assembly 2 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 21–118（98 aa） Fragment：UNP residues 21-118
Not recorded 0SG N-{(2S,3R,4E)-1-[(3,6-di-O-sulfo-beta-D-galactopyranosyl)oxy]-3-hydroxyoctadec-4-en-2-yl}dodecanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；20% PEG3350, 200 mM sodium formate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.86 Å R-free 0.291
4F7E Crystal structure of bovine CD1d with bound C16:0-alpha-galactosyl ceramide Deposited 2012-05-15 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 21–118（98 aa） Fragment：UNP residues 21-118
Not recorded 0SH N-[(2S,3S,4R)-1-(alpha-D-galactopyranosyloxy)-3,4-dihydroxyoctadecan-2-yl]hexadecanamide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；20% PEG4000, 200 mM potassium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.40 Å R-free 0.276
4IIQ Crystal structure of a human MAIT TCR in complex with bovine MR1 Deposited 2012-12-20 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 21–118（98 aa） Fragment：UNP C1ITJ8 residues 19-295, UNP P01888 residues 21-118
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1 M Hepes, 1.5 M Ammonium Sulfate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 2.86 Å R-free 0.271
4L8S Crystal structure of a human Valpha7.2/Vbeta13.3 MAIT TCR in complex with bovine MR1 Deposited 2013-06-17 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 21–118（98 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1 M Hepes, 1.7 M Ammonium Sulfate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291.0K
Resolution 2.90 Å R-free 0.278
4L9L Crystal structure of a human Valpha7.2/Vbeta13.2 MAIT TCR in complex with bovine MR1 Deposited 2013-06-18 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 21–118（98 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1 M Hepes, 1.6 M Ammonium Sulfate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291.0K
Resolution 3.40 Å R-free 0.312
4L9L Crystal structure of a human Valpha7.2/Vbeta13.2 MAIT TCR in complex with bovine MR1 Deposited 2013-06-18 Assembly 2 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 21–118（98 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1 M Hepes, 1.6 M Ammonium Sulfate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291.0K
Resolution 3.40 Å R-free 0.312
4LCC Crystal structure of a human MAIT TCR in complex with a bacterial antigen bound to humanized bovine MR1 Deposited 2013-06-21 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 21–118（98 aa） Fragment：P01888 residues 21-118, C1ITJ8 residues 19-295
Mutation：A185M, R260Q, Q264L 1XL 1-deoxy-1-[6-(hydroxymethyl)-2,4-dioxo-3,4-dihydropteridin-8(2H)-yl]-D-arabinitol × 1 SO4 SULFATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1 M Hepes, 1.5 M Ammonium Sulfate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291.0K
Resolution 3.26 Å R-free 0.312
7RNO Model of the Ac-6-FP/hpMR1/bB2m/TAPBPR complex from integrated docking, NMR and restrained MD Deposited 2021-07-29 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 21–118（98 aa）
Not recorded 30W N-(6-formyl-4-oxo-3,4-dihydropteridin-2-yl)acetamide × 1 SOLUTION NMR
NMR measurement conditions pH 7.2；298.15 K；Ionic strength (raw mmCIF value) 50；Pressure 1.01325
NMR sample composition 100 uM hpMR1 (human platform MR1), 100 uM [U-100% 12C; U-100% 15N; Ala CB, Ile CD1, Leu CD1/CD2, Val CG1/CG2] bovine beta 2 microglobulin, 300 uM TAPBPR, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.