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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：P0A6I0 New Search
8PDB entries
12Biological assembly
12chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification 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
1CKE CMP KINASE FROM ESCHERICHIA COLI FREE ENZYME STRUCTURE Deposited 1998-09-24 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–227（227 aa）
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.4；pH 7.4
Resolution 1.75 Å R-free 0.259
1KDO CYTIDINE MONOPHOSPHATE KINASE FROM E. COLI IN COMPLEX WITH CYTIDINE MONOPHOSPHATE Deposited 2001-11-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–227（227 aa）
Not recorded SO4 SULFATE ION × 3 C5P CYTIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Ammonium Sulphate, TRIS-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 1.90 Å R-free 0.248
1KDO CYTIDINE MONOPHOSPHATE KINASE FROM E. COLI IN COMPLEX WITH CYTIDINE MONOPHOSPHATE Deposited 2001-11-13 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–227（227 aa）
Not recorded SO4 SULFATE ION × 2 C5P CYTIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Ammonium Sulphate, TRIS-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 1.90 Å R-free 0.248
1KDP CYTIDINE MONOPHOSPHATE KINASE FROM E. COLI IN COMPLEX WITH 2'-DEOXY-CYTIDINE MONOPHOSPHATE Deposited 2001-11-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–227（227 aa）
Not recorded SO4 SULFATE ION × 1 DCM 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Ammonium Sulphate, TRIS-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 2.30 Å R-free 0.255
1KDP CYTIDINE MONOPHOSPHATE KINASE FROM E. COLI IN COMPLEX WITH 2'-DEOXY-CYTIDINE MONOPHOSPHATE Deposited 2001-11-13 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–227（227 aa）
Not recorded SO4 SULFATE ION × 1 DCM 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Ammonium Sulphate, TRIS-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 2.30 Å R-free 0.255
1KDR CYTIDINE MONOPHOSPHATE KINASE FROM E.COLI IN COMPLEX WITH ARA-CYTIDINE MONOPHOSPHATE Deposited 2001-11-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–227（227 aa）
Not recorded SO4 SULFATE ION × 1 CAR CYTOSINE ARABINOSE-5'-PHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Ammonium Sulphate, TRIS-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 2.25 Å R-free 0.254
1KDR CYTIDINE MONOPHOSPHATE KINASE FROM E.COLI IN COMPLEX WITH ARA-CYTIDINE MONOPHOSPHATE Deposited 2001-11-13 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–227（227 aa）
Not recorded SO4 SULFATE ION × 2 CAR CYTOSINE ARABINOSE-5'-PHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Ammonium Sulphate, TRIS-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 2.25 Å R-free 0.254
1KDT CYTIDINE MONOPHOSPHATE KINASE FROM E.COLI IN COMPLEX WITH 2',3'-DIDEOXY-CYTIDINE MONOPHOSPHATE Deposited 2001-11-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–227（227 aa）
Not recorded SO4 SULFATE ION × 2 DOC 2',3'-DIDEOXYCYTIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Ammonium Sulphate, TRIS-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 1.95 Å R-free 0.253
1KDT CYTIDINE MONOPHOSPHATE KINASE FROM E.COLI IN COMPLEX WITH 2',3'-DIDEOXY-CYTIDINE MONOPHOSPHATE Deposited 2001-11-13 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–227（227 aa）
Not recorded SO4 SULFATE ION × 1 DOC 2',3'-DIDEOXYCYTIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Ammonium Sulphate, TRIS-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 1.95 Å R-free 0.253
2CMK CYTIDINE MONOPHOSPHATE KINASE IN COMPLEX WITH CYTIDINE-DI-PHOSPHATE Deposited 1998-09-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–227（227 aa） Fragment：DOMAIN
Not recorded SO4 SULFATE ION × 2 CDP CYTIDINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.4；pH 7.4
Resolution 2.00 Å R-free 0.220
2FEM Mutant R188M of the Cytidine Monophosphate Kinase From E. Coli Deposited 2005-12-16 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–227（227 aa）
Mutation：R188M No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；Tris-HCL 50 mM pH 7.4, ammonium sulfate 1.3 M, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.90 Å R-free 0.242
2FEO Mutant R188M of The Cytidine Monophosphate Kinase from E. coli complexed with dCMP Deposited 2005-12-16 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–227（227 aa）
Mutation：R188M SO4 SULFATE ION × 1 DC 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；dCMP 200 mM, Tris-HCL 50 mM pH 7.4, ammonium sulfate 1.7 M, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.80 Å R-free 0.339

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.