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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：P03042 New Search
4PDB entries
4Biological assembly
16chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1XWR Crystal structure of the coliphage lambda transcription activator protein CII Deposited 2004-11-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–97（97 aa）
Chain B 1–97（97 aa）
Chain C 1–97（97 aa）
Chain D 1–97（97 aa）
Not recorded IPA ISOPROPYL ALCOHOL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.2；298 K；PEG 3350, isopropanol, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 2.56 Å R-free 0.286
1ZPQ STRUCTURE OF BACTERIOPHAGE LAMBDA CII protein Deposited 2005-05-17 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–97（97 aa）
Chain B 1–97（97 aa）
Chain C 1–97（97 aa）
Chain D 1–97（97 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.80 Å R-free 0.286
1ZS4 Structure of bacteriophage lambda cII protein in complex with DNA Deposited 2005-05-23 Assembly 1 Protein–DNA Homooligomer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 4–82（79 aa）
Chain B 4–82（79 aa）
Chain C 4–82（79 aa）
Chain D 4–82（79 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 4.8；295 K；PEG 550 MME, SODIUM ACETATE, pH 4.8, VAPOR DIFFUSION, temperature 295K
Resolution 1.70 Å R-free 0.228
8IGR Cryo-EM structure of CII-dependent transcription activation complex Deposited 2023-02-21 Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: dodecameric（12） Consistent with all polymers
Chain A 1–97（97 aa）
Chain B 1–97（97 aa）
Chain C 1–97（97 aa）
Chain D 1–97（97 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 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.