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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：P01723 New Search
4PDB entries
4Biological assembly
4chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion 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
1P4B Three-Dimensional Structure Of a Single Chain Fv Fragment Complexed With The peptide GCN4(7P-14P). Deposited 2003-04-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain L 22–117（96 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 4000, tris/HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293KK
Resolution 2.35 Å R-free 0.300
1P4I Crystal Structure of scFv against peptide GCN4 Deposited 2003-04-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain L 22–117（96 aa）
Mutation：N36S No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.8；293 K；ammonium sulfate, sodium citrate, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.80 Å R-free 0.260
1Q0X Anti-morphine Antibody 9B1 Unliganded Form Deposited 2003-07-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain L 22–117（96 aa）
Not recorded SO4 SULFATE ION × 2 PG4 TETRAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.6；298 K；22% PEG MME 2000, 0.2M ammonium sulfate, 0.1M sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K, pH 4.60
Resolution 1.60 Å R-free 0.251
1SM3 CRYSTAL STRUCTURE OF THE TUMOR SPECIFIC ANTIBODY SM3 COMPLEX WITH ITS PEPTIDE EPITOPE Deposited 1997-12-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain L 22–234（213 aa） Fragment：FAB FRAGMENT
Not recorded CD CADMIUM ION × 8 CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 1.95 Å R-free 0.283

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.