← Back to search

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：P20871 New Search
5PDB entries
8Biological assembly
12chain/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
1CE4 CONFORMATIONAL MODEL FOR THE CONSENSUS V3 LOOP OF THE ENVELOPE PROTEIN GP120 OF HIV-1 Deposited 1999-03-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 294–328（35 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 2.5；290 K；Pressure 1
NMR sample composition 10% D2O/70% WATER/20% D3-TRIFLUOROETHANOL
Resolution not provided
2ESX The structure of the V3 region within gp120 of JR-FL HIV-1 strain (minimized average structure) Deposited 2005-10-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 301–319（19 aa） Fragment：V3 of GP120
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5；305 K；Ionic strength (raw mmCIF value) 10mM acetic acid
NMR sample composition 0.4mM V3JR-FL-447-52D complex U-15N | 5% D2O, 95% H2O
NMR sample composition 0.4mM V3JR-FL-447-52D complex U-15N-13C | 5% D2O, 95% H2O
NMR sample composition 0.4mM V3JR-FL-447-52D complex U-15N-13C | 100% D2O
Resolution not provided
2ESZ The structure of the V3 region within gp120 of JR-FL HIV-1 strain (ensemble) Deposited 2005-10-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 301–319（19 aa） Fragment：V3 of GP120
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5；305 K；Ionic strength (raw mmCIF value) 10mM acetic acid
NMR sample composition 0.4mM V3JR-FL-447-52D complex U-15N | 5% D2O, 95% H2O
NMR sample composition 0.4mM V3JR-FL-447-52D complex U-15N-13C | 5% D2O, 95% H2O
NMR sample composition 0.4mM V3JR-FL-447-52D complex U-15N-13C | 100% D2O
Resolution not provided
4R2G Crystal Structure of PGT124 Fab bound to HIV-1 JRCSF gp120 core and to CD4 Deposited 2014-08-11 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain E 197–300（104 aa）
Chain E 317–484（168 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 CL CHLORIDE ION × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；2.4M ammonium sulphate, 0.1M Tris, 13% glycerol, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.28 Å R-free 0.263
4R2G Crystal Structure of PGT124 Fab bound to HIV-1 JRCSF gp120 core and to CD4 Deposited 2014-08-11 Assembly 2 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain O 197–300（104 aa）
Chain O 317–484（168 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 CL CHLORIDE ION × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；2.4M ammonium sulphate, 0.1M Tris, 13% glycerol, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.28 Å R-free 0.263
4R2G Crystal Structure of PGT124 Fab bound to HIV-1 JRCSF gp120 core and to CD4 Deposited 2014-08-11 Assembly 3 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain K 197–300（104 aa）
Chain K 317–484（168 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 CL CHLORIDE ION × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；2.4M ammonium sulphate, 0.1M Tris, 13% glycerol, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.28 Å R-free 0.263
4R2G Crystal Structure of PGT124 Fab bound to HIV-1 JRCSF gp120 core and to CD4 Deposited 2014-08-11 Assembly 4 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 197–300（104 aa）
Chain A 317–484（168 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 CL CHLORIDE ION × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；2.4M ammonium sulphate, 0.1M Tris, 13% glycerol, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.28 Å R-free 0.263
9MMJ Crystal Structure of 19b Fab bound to the third variable (V3) loop peptide from the HIV-1 JR-FL envelope (Env) glycoprotein Deposited 2024-12-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 291–333（43 aa）
Not recorded ACT ACETATE ION × 1 GOL GLYCEROL × 2 SO4 SULFATE ION × 2 NA SODIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；0.18 M Ammonium sulfate, 0.09 M Sodium acetate trihydrate pH 4.6, 27% w/v Polyethylene glycol monomethyl ether 2,000, 10% v/v Glycerol
Resolution 1.78 Å R-free 0.199

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.