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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：P22763 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 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
1A0B HISTIDINE-CONTAINING PHOSPHOTRANSFER DOMAIN OF ARCB FROM ESCHERICHIA COLI Deposited 1997-11-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 652–776（125 aa） Fragment：C-TERMINAL HPT DOMAIN
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.1；PROTEIN WAS CRYSTALLIZED FROM 12.5% PEGMME 550, 5 MM ZNSO4, 50 MM ACETIC ACID/SODIUM ACETATE BUFFER, PH 4.1
Resolution 2.06 Å R-free 0.271
1BDJ COMPLEX STRUCTURE OF HPT DOMAIN AND CHEY Deposited 1998-05-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 652–776（125 aa） Fragment：HPT DOMAIN, THE HISTIDINE-CONTAINING PHOSPHOTRANSFER DOMAIN
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 2.68 Å R-free 0.250
1FR0 SOLUTION STRUCTURE OF THE HISTIDINE-CONTAINING PHOSPHOTRANSFER DOMAIN OF ANAEROBIC SENSOR KINASE ARCB FROM ESCHERICHIA COLI. Deposited 2000-09-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 654–778（125 aa） Fragment：THE HISTIDINE-CONTAINING PHOSPHOTRANSFER (HPT) DOMAIN
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；310 K；Ionic strength (raw mmCIF value) 100mM；Pressure ambient
NMR sample composition 1.5mM HPtArcB, 50mM KH2PO4-K2HPO4 (pH6.5 at 37deg), 50mM KCl, and 1mM dithiothreitol (DTT) in 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1.5mM HPtArcB, 50mM KH2PO4-K2HPO4 (pH6.5 at 37deg), 50mM KCl, and 1mM dithiothreitol (DTT) in 99.8% D2O | 99.8% D2O
Resolution not provided
2A0B HISTIDINE-CONTAINING PHOSPHOTRANSFER DOMAIN OF ARCB FROM ESCHERICHIA COLI Deposited 1998-04-02 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 652–776（125 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.1；PROTEIN WAS CRYSTALLIZED FROM 12.5% PEGMME 550, 5 MM ZNSO4, 50 MM ACETIC ACID/SODIUM ACETATE BUFFER, PH 4.1
Resolution 1.57 Å R-free 0.245

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.