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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：P01868 New Search
16PDB entries
19Biological assembly
21chain/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
1AI1 HIV-1 V3 LOOP MIMIC Deposited 1996-11-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain H 1–100（100 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.80 Å
1CLO ANTI-CARCINOEMBRYONIC ANTIGEN MONOCLONAL ANTIBODY A5B7 Deposited 1996-05-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–101（101 aa） Fragment：ANTIGEN BINDING FRAGMENT, FAB
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.10 Å
1DBA THREE-DIMENSIONAL STRUCTURE OF AN ANTI-STEROID FAB' AND PROGESTERONE-FAB' COMPLEX Deposited 1992-11-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–100（100 aa）
Not recorded EOH ETHANOL × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.80 Å
1DBB THREE-DIMENSIONAL STRUCTURE OF AN ANTI-STEROID FAB' AND PROGESTERONE-FAB' COMPLEX Deposited 1992-11-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–100（100 aa）
Not recorded STR PROGESTERONE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.70 Å
1DBJ MOLECULAR BASIS OF CROSS-REACTIVITY AND THE LIMITS OF ANTIBODY-ANTIGEN COMPLEMENTARITY Deposited 1993-08-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–100（100 aa）
Not recorded AE2 AETIOCHOLANOLONE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.70 Å
1DBK MOLECULAR BASIS OF CROSS-REACTIVITY AND THE LIMITS OF ANTIBODY-ANTIGEN COMPLEMENTARITY Deposited 1993-08-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–100（100 aa）
Not recorded ANO 5-BETA-ANDROSTANE-3,17-DIONE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.00 Å
1DBM MOLECULAR BASIS OF CROSS-REACTIVITY AND THE LIMITS OF ANTIBODY-ANTIGEN COMPLEMENTARITY Deposited 1993-08-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–100（100 aa）
Not recorded SIH PROGESTERONE-11-ALPHA-OL-HEMISUCCINATE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.70 Å
1FBI CRYSTAL STRUCTURE OF A CROSS-REACTION COMPLEX BETWEEN FAB F9.13.7 AND GUINEA-FOWL LYSOZYME Deposited 1995-01-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain H 1–99（99 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.00 Å
1FBI CRYSTAL STRUCTURE OF A CROSS-REACTION COMPLEX BETWEEN FAB F9.13.7 AND GUINEA-FOWL LYSOZYME Deposited 1995-01-19 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain Q 1–99（99 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.00 Å
1KEL CATALYTIC ANTIBODY 28B4 FAB FRAGMENT COMPLEXED WITH HAPTEN (1-[N-4'-NITROBENZYL-N-4'-CARBOXYBUTYLAMINO] METHYLPHOSPHONIC ACID) Deposited 1996-04-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–99（99 aa） Fragment：VARIABLE REGIONS OF LIGHT AND HEAVY CHAINS
Not recorded AAH 1-[N-4'-NITROBENZYL-N-4'-CARBOXYBUTYLAMINO]METHYLPHOSPHONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 1.90 Å R-free 0.258
1KEM CATALYTIC ANTIBODY 28B4 FAB FRAGMENT Deposited 1996-04-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–99（99 aa） Fragment：VARIABLE REGIONS OF LIGHT AND HEAVY CHAINS
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.20 Å R-free 0.288
1NTL Model of mouse Crry-Ig determined by solution scattering, curve fitting and homology modelling Deposited 2003-01-30 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 98–324（227 aa） Fragment：Q64735 residues 83-401,P01868 residues 98-324
Chain B 98–324（227 aa） Fragment：Q64735 residues 83-401,P01868 residues 98-324
Not recorded No recorded non-water small molecule SOLUTION SCATTERING mmCIF provides none of the parsed conditions Resolution 30.00 Å
1OPG OPG2 FAB FRAGMENT Deposited 1995-04-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–102（102 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
1T2Q The Crystal Structure of an NNA7 Fab that recognizes an N-type blood group antigen Deposited 2004-04-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–102（102 aa）
Not recorded GOL GLYCEROL × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；PEG MME 5K, ammonium sulfate, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.83 Å R-free 0.247
1YED STRUCTURE OF A CATALYTIC ANTIBODY IGG2A FAB FRAGMENT (D2.4) Deposited 1997-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–102（102 aa）
Not recorded PNB 4-NITRO-BENZYLPHOSPHONOBUTANOYL-GLYCINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 3.10 Å R-free 0.260
1YED STRUCTURE OF A CATALYTIC ANTIBODY IGG2A FAB FRAGMENT (D2.4) Deposited 1997-04-15 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–102（102 aa）
Not recorded PNB 4-NITRO-BENZYLPHOSPHONOBUTANOYL-GLYCINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 3.10 Å R-free 0.260
2ATY Complement receptor chimaeric conjugate CR2-Ig Deposited 2005-08-26 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 98–324（227 aa）
Chain B 98–324（227 aa）
Not recorded No recorded non-water small molecule SOLUTION SCATTERING mmCIF provides none of the parsed conditions Resolution not provided
2DBL MOLECULAR BASIS OF CROSS-REACTIVITY AND THE LIMITS OF ANTIBODY-ANTIGEN COMPLEMENTARITY Deposited 1994-02-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 1–100（100 aa）
Not recorded S5H 5-ALPHA-PREGNANE-3-BETA-OL-HEMISUCCINATE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.90 Å
2DBL MOLECULAR BASIS OF CROSS-REACTIVITY AND THE LIMITS OF ANTIBODY-ANTIGEN COMPLEMENTARITY Deposited 1994-02-08 Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain H 1–100（100 aa）
Not recorded S5H 5-ALPHA-PREGNANE-3-BETA-OL-HEMISUCCINATE × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.90 Å

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.