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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：P05364 New Search
12PDB entries
15Biological 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
1BLS CRYSTALLOGRAPHIC STRUCTURE OF A PHOSPHONATE DERIVATIVE OF THE ENTEROBACTER CLOACAE P99 CEPHALOSPORINASE: MECHANISTIC INTERPRETATION OF A BETA-LACTAMASE TRANSITION STATE ANALOG Deposited 1993-12-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–381（361 aa）
Not recorded IPP (P-IODOPHENYLACETYLAMINO)METHYLPHOSPHINIC ACID × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å
1BLS CRYSTALLOGRAPHIC STRUCTURE OF A PHOSPHONATE DERIVATIVE OF THE ENTEROBACTER CLOACAE P99 CEPHALOSPORINASE: MECHANISTIC INTERPRETATION OF A BETA-LACTAMASE TRANSITION STATE ANALOG Deposited 1993-12-17 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 21–381（361 aa）
Not recorded IPP (P-IODOPHENYLACETYLAMINO)METHYLPHOSPHINIC ACID × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å
1GCE STRUCTURE OF THE BETA-LACTAMASE OF ENTEROBACTER CLOACAE GC1 Deposited 1999-05-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–381（361 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5；298 K；VAPOR DIFFUSION, WITH 6.7 OR 8.0 MG/ML PROTEIN IN 5-7.5% PEG8000, 20-25MM POTASSIUM PHOSPHATE (MONOBASIC), OVER 12.5 OR 15% PEG8000, 50MM POTASSIUM PHOSPHATE (MONOBASIC) RESERVOIR AT ROOM TEMPERATURE., temperature 298K
Resolution 1.80 Å R-free 0.232
1RGZ Enterobacter cloacae GC1 Class C beta-Lactamase Complexed with Transition-State Analog of Cefotaxime Deposited 2003-11-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 22–384（363 aa）
Not recorded PTX {[(2E)-2-(2-AMINO-1,3-THIAZOL-4-YL)-2-(METHOXYIMINO)ETHANOYL]AMINO}METHYLPHOSPHONIC ACID × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；296 K；PEG 8000, HEPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 296K
Resolution 1.37 Å R-free 0.195
1XX2 Refinement of P99 beta-lactamase from Enterobacter cloacae Deposited 2004-11-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–381（361 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；298 K；PEG 8000, SODIUM CACODYLATE, MgCl2, NaN3, pH 6.5 - 8.5, VAPOR DIFFUSION, temperature 298K
Resolution 1.88 Å R-free 0.214
1XX2 Refinement of P99 beta-lactamase from Enterobacter cloacae Deposited 2004-11-03 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 21–381（361 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；298 K；PEG 8000, SODIUM CACODYLATE, MgCl2, NaN3, pH 6.5 - 8.5, VAPOR DIFFUSION, temperature 298K
Resolution 1.88 Å R-free 0.214
1Y54 Crystal structure of the native class C beta-lactamase from Enterobacter cloacae 908R complexed with BRL42715 Deposited 2004-12-02 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–381（361 aa）
Not recorded FDT (7R)-6-FORMYL-7-(1-METHYL-1H-1,2,3-TRIAZOL-4-YL)-4,7-DIHYDRO-1,4-THIAZEPINE-3-CARBOXYLIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；298 K；PEG 6000 30%, bicine 100mM, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.10 Å R-free 0.292
2Q9M 4-Substituted Trinems as Broad Spectrum-Lactamase Inhibitors: Structure-based Design, Synthesis and Biological Activity Deposited 2007-06-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 22–380（359 aa）
Not recorded LK7 (1R,4S,7AS)-1-(1-FORMYLPROP-1-EN-1-YL)-4-METHOXY-2,4,5,6,7,7A-HEXAHYDRO-1H-ISOINDOLE-3-CARBOXYLIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；292 K；0.05M Cacodylate, 30% PEG8000, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 2.05 Å R-free 0.245
2Q9N 4-Substituted Trinems as Broad Spectrum-Lactamase Inhibitors: Structure-based Design, Synthesis and Biological Activity Deposited 2007-06-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 22–380（359 aa）
Not recorded LK5 (1S,4R,7AR)-4-BUTOXY-1-[(1R)-1-FORMYLPROPYL]-2,4,5,6,7,7A-HEXAHYDRO-1H-ISOINDOLE-3-CARBOXYLIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.8；292 K；0.1M sodium acetate 0.2M ammonium acetate 22% PEG4000, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 2.20 Å R-free 0.315
3S4X Crystal structure of the Asn152Gly mutant of P99 beta-lactamase Deposited 2011-05-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–381（361 aa）
Mutation：I16V, A88P, N152G, A299V SO4 SULFATE ION × 7 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.15 M ammonium sulfate, 30% polyethylene glycol (PEG) 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.95 Å R-free 0.234
3S4X Crystal structure of the Asn152Gly mutant of P99 beta-lactamase Deposited 2011-05-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 21–381（361 aa）
Mutation：I16V, A88P, N152G, A299V SO4 SULFATE ION × 14 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.15 M ammonium sulfate, 30% polyethylene glycol (PEG) 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.95 Å R-free 0.234
4XUX Structure of ampC bound to RPX-7009 at 1.75 A Deposited 2015-01-26 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–381（361 aa） Fragment：UNP residues 21-381
Not recorded 4D6 Vaborbactam × 1 EDO 1,2-ETHANEDIOL × 2 PG0 2-(2-METHOXYETHOXY)ETHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；289 K；30mg/ml AmpC, 30% PEG3000, 0.1M TRIS, PH 7.0, 0.2M NACL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K
Resolution 1.75 Å R-free 0.186
5HAI P99 beta-lactamase mutant - S64G Deposited 2015-12-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–381（361 aa） Fragment：UNP residues 21-381
Mutation：S64G PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；298 K；0.1M SPG buffer (succinic acid, sodium dihydrogen phosphate, and glycine) and 25% PEG 1500
Resolution 2.74 Å R-free 0.243
5XHR Crystal structure of P99 beta-lactamase in complex with a penicillin derivative MPC-1 Deposited 2017-04-24 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–381（361 aa） Fragment：UNP residues 21-381
Not recorded PXH (2~{R},4~{S})-5,5-dimethyl-2-[(2~{S},3~{R})-3-oxidanyl-1-oxidanylidene-5-thiophen-2-yl-pentan-2-yl]-1,3-thiazolidine-4-carboxylic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；0.1M Bis-Tris pH 6.5, 25% PEG3350
Resolution 1.80 Å R-free 0.233
7TI1 Structure of AmpC bound to RPX-7063 at 2.0A Deposited 2022-01-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–381（381 aa）
Not recorded ZXQ {(3R,7S)-2-hydroxy-3-[2-(thiophen-2-yl)acetamido]-2,3,4,7-tetrahydro-1,2-oxaborepin-7-yl}acetic acid × 1 EDO 1,2-ETHANEDIOL × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；30% PEG3000, 0.1M Tris pH 7.0, 0.2M NaCl
Resolution 2.00 Å R-free 0.214

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.