← 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：P07363 New Search
9PDB entries
16Biological assembly
22chain/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
1A0O CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY Deposited 1997-12-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 124–257（134 aa） Fragment：CHEA 124-257
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；PROTEIN WAS CRYSTALLIZED FROM 20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER PH 5.5, 0.02 M DTT, 0.01 M MANGANESE CHLORIDE
Resolution 2.95 Å R-free 0.235
1A0O CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY Deposited 1997-12-05 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 124–257（134 aa） Fragment：CHEA 124-257
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；PROTEIN WAS CRYSTALLIZED FROM 20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER PH 5.5, 0.02 M DTT, 0.01 M MANGANESE CHLORIDE
Resolution 2.95 Å R-free 0.235
1A0O CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY Deposited 1997-12-05 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 124–257（134 aa） Fragment：CHEA 124-257
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；PROTEIN WAS CRYSTALLIZED FROM 20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER PH 5.5, 0.02 M DTT, 0.01 M MANGANESE CHLORIDE
Resolution 2.95 Å R-free 0.235
1A0O CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY Deposited 1997-12-05 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 124–257（134 aa） Fragment：CHEA 124-257
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；PROTEIN WAS CRYSTALLIZED FROM 20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER PH 5.5, 0.02 M DTT, 0.01 M MANGANESE CHLORIDE
Resolution 2.95 Å R-free 0.235
1EAY CHEY-BINDING (P2) DOMAIN OF CHEA IN COMPLEX WITH CHEY FROM ESCHERICHIA COLI Deposited 1998-04-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 156–228（73 aa） Fragment：CHEY-BINDING (P2) DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；PROTEIN WAS CRYSTALLIZED FROM .63 M NAH2PO4/1.17 M K2HPO4, 10 MM NH4CL, PH 7.0
Resolution 2.00 Å
1EAY CHEY-BINDING (P2) DOMAIN OF CHEA IN COMPLEX WITH CHEY FROM ESCHERICHIA COLI Deposited 1998-04-23 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 156–228（73 aa） Fragment：CHEY-BINDING (P2) DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；PROTEIN WAS CRYSTALLIZED FROM .63 M NAH2PO4/1.17 M K2HPO4, 10 MM NH4CL, PH 7.0
Resolution 2.00 Å
1FFG CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY AT 2.1 A RESOLUTION Deposited 2000-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 124–257（134 aa） Fragment：RSIDUES 124-257
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；297 K；20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER 0.02 M DTT, 0.01 M MANGANESE CHLORIDE, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 2.10 Å R-free 0.220
1FFG CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY AT 2.1 A RESOLUTION Deposited 2000-07-25 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 124–257（134 aa） Fragment：RSIDUES 124-257
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；297 K；20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER 0.02 M DTT, 0.01 M MANGANESE CHLORIDE, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 2.10 Å R-free 0.220
1FFS CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY FROM CRYSTALS SOAKED IN ACETYL PHOSPHATE Deposited 2000-07-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 124–257（134 aa）
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；297 K；20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER 0.02 M DTT, 0.01 M MANGANESE CHLORIDE , pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 2.40 Å R-free 0.255
1FFS CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY FROM CRYSTALS SOAKED IN ACETYL PHOSPHATE Deposited 2000-07-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 124–257（134 aa）
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；297 K；20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER 0.02 M DTT, 0.01 M MANGANESE CHLORIDE , pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 2.40 Å R-free 0.255
1FFW CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY WITH A BOUND IMIDO DIPHOSPHATE Deposited 2000-07-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–3（3 aa）
Chain B 124–257（134 aa） Fragment：RESIDUES 124-257
Not recorded MN MANGANESE (II) ION × 1 PON IMIDO DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；297 K；20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER 0.02 M DTT, 0.01 M MANGANESE CHLORIDE, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 2.70 Å R-free 0.273
1FFW CHEY-BINDING DOMAIN OF CHEA IN COMPLEX WITH CHEY WITH A BOUND IMIDO DIPHOSPHATE Deposited 2000-07-26 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–3（3 aa）
Chain D 124–257（134 aa） Fragment：RESIDUES 124-257
Not recorded MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；297 K；20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER 0.02 M DTT, 0.01 M MANGANESE CHLORIDE, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 2.70 Å R-free 0.273
1FWP CHEY-BINDING DOMAIN OF CHEA (RESIDUES 159-227), NMR, MINIMIZED AVERAGE STRUCTURE Deposited 1996-02-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 124–262（139 aa） Fragment：CHEY-BINDING DOMAIN, RESIDUES 159 - 227
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K
Resolution not provided
2LP4 Solution structure of P1-CheY/P2 complex in bacterial chemotaxis Deposited 2012-01-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–225（225 aa） Fragment：1-225
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；298 K；Ionic strength (raw mmCIF value) 0.05；Pressure ambient
NMR sample composition 200 mM [U-15N; U-2H] CheY, 3000 mM [U-2H] CheA P1, 250 mM [U-2H] CheA P2, 92% H2O/8% D2O | 92% H2O/8% D2O
Resolution not provided
6S1K E. coli Core Signaling Unit, carrying QQQQ receptor mutation Deposited 2019-06-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
Chain A 1–654（654 aa）
Chain B 1–654（654 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.38 Å
8C5V Chemotaxis core signalling unit from E protein lysed E. coli cells Deposited 2023-01-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain A 257–647（391 aa）
Chain B 257–647（391 aa）
Chain C 1–131（131 aa）
Chain D 1–131（131 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 12.00 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.