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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：P00484 New Search
7PDB entries
13Biological assembly
15chain/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
1CIA REPLACEMENT OF CATALYTIC HISTIDINE-195 OF CHLORAMPHENICOL ACETYLTRANSFERASE: EVIDENCE FOR A GENERAL BASE ROLE FOR GLUTAMATE Deposited 1993-07-19 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 6 BME BETA-MERCAPTOETHANOL × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.50 Å
1CIA REPLACEMENT OF CATALYTIC HISTIDINE-195 OF CHLORAMPHENICOL ACETYLTRANSFERASE: EVIDENCE FOR A GENERAL BASE ROLE FOR GLUTAMATE Deposited 1993-07-19 Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 12 BME BETA-MERCAPTOETHANOL × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.50 Å
1CLA EVIDENCE FOR TRANSITION-STATE STABILIZATION BY SERINE-148 IN THE CATALYTIC MECHANISM OF CHLORAMPHENICOL ACETYLTRANSFERASE Deposited 1989-10-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 6 CLM CHLORAMPHENICOL × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.34 Å
1CLA EVIDENCE FOR TRANSITION-STATE STABILIZATION BY SERINE-148 IN THE CATALYTIC MECHANISM OF CHLORAMPHENICOL ACETYLTRANSFERASE Deposited 1989-10-16 Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 12 CLM CHLORAMPHENICOL × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.34 Å
1QCA QUADRUPLE MUTANT Q92C, N146F, Y168F, I172V TYPE III CAT COMPLEXED WITH FUSIDIC ACID. CRYSTALS GROWN AT PH 6.3. X-RAY DATA COLLECTED AT ROOM TEMPERATURE Deposited 1995-08-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–213（213 aa）
Mutation：Q92C, N146F, Y168F, I172V CO COBALT (II) ION × 6 FUA FUSIDIC ACID × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.3；pH 6.3
Resolution 2.20 Å
1QCA QUADRUPLE MUTANT Q92C, N146F, Y168F, I172V TYPE III CAT COMPLEXED WITH FUSIDIC ACID. CRYSTALS GROWN AT PH 6.3. X-RAY DATA COLLECTED AT ROOM TEMPERATURE Deposited 1995-08-03 Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–213（213 aa）
Mutation：Q92C, N146F, Y168F, I172V CO COBALT (II) ION × 12 FUA FUSIDIC ACID × 6 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.3；pH 6.3
Resolution 2.20 Å
2CLA CRYSTAL STRUCTURE OF THE ASP-199-ASN MUTANT OF CHLORAMPHENICOL ACETYLTRANSFERASE TO 2.35 ANGSTROMS RESOLUTION. STRUCTURAL CONSEQUENCES OF DISRUPTION OF A BURIED SALT-BRIDGE Deposited 1990-04-05 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.35 Å
2CLA CRYSTAL STRUCTURE OF THE ASP-199-ASN MUTANT OF CHLORAMPHENICOL ACETYLTRANSFERASE TO 2.35 ANGSTROMS RESOLUTION. STRUCTURAL CONSEQUENCES OF DISRUPTION OF A BURIED SALT-BRIDGE Deposited 1990-04-05 Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 12 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.35 Å
3CLA REFINED CRYSTAL STRUCTURE OF TYPE III CHLORAMPHENICOL ACETYLTRANSFERASE AT 1.75 ANGSTROMS RESOLUTION Deposited 1990-07-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 6 CLM CHLORAMPHENICOL × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.75 Å
3CLA REFINED CRYSTAL STRUCTURE OF TYPE III CHLORAMPHENICOL ACETYLTRANSFERASE AT 1.75 ANGSTROMS RESOLUTION Deposited 1990-07-09 Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 12 CLM CHLORAMPHENICOL × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.75 Å
4CLA ALTERNATIVE BINDING MODES FOR CHLORAMPHENICOL AND 1-SUBSTITUTED CHLORAMPHENICOL ANALOGUES REVEALED BY SITE-DIRECTED MUTAGENESIS AND X-RAY CRYSTALLOGRAPHY OF CHLORAMPHENICOL ACETYLTRANSFERASE Deposited 1990-10-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 6 CLM CHLORAMPHENICOL × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
4CLA ALTERNATIVE BINDING MODES FOR CHLORAMPHENICOL AND 1-SUBSTITUTED CHLORAMPHENICOL ANALOGUES REVEALED BY SITE-DIRECTED MUTAGENESIS AND X-RAY CRYSTALLOGRAPHY OF CHLORAMPHENICOL ACETYLTRANSFERASE Deposited 1990-10-23 Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–213（213 aa）
Not recorded CO COBALT (II) ION × 12 CLM CHLORAMPHENICOL × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
6X7Q Chloramphenicol acetyltransferase type III in complex with chloramphenicol and acetyl-oxa(dethia)-CoA Deposited 2020-05-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–213（212 aa）
Chain B 2–213（212 aa）
Chain C 2–213（212 aa）
Not recorded UTA acetyl-oxa(dethia)-CoA × 3 ZN ZINC ION × 2 PG4 TETRAETHYLENE GLYCOL × 1 CLM CHLORAMPHENICOL × 3 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；298 K；100 mM magnesium chloride, 100 mM sodium citrate:citric acid, pH 5.5, 46% PEG400
Resolution 1.68 Å R-free 0.201

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.