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Literature summary for 3.5.2.6 extracted from
- Purification and properties of a constitutive beta-lactamase from Pseudomonas aeruginosa strain Dalgleish (1975), Biochim. Biophys. Acta, 377, 431-443.
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.001 | - |
benzylpenicillin | - |
Pseudomonas aeruginosa |  |
| 0.002 | - |
carbenicillin | - |
Pseudomonas aeruginosa | |
| 0.003 | - |
phenoxymethylpenicillin | - |
Pseudomonas aeruginosa | |
| 0.05 | - |
2,2-dimethyl-6beta-({[5-methyl-3-(2-chlorophenyl)isoxazol-4-yl]carbonyl}amino)penam-3alpha-carboxylic acid | - |
Pseudomonas aeruginosa | |
| 0.4 | - |
cephalexin | - |
Pseudomonas aeruginosa | |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| periplasm | - |
Pseudomonas aeruginosa | - |
- |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 32000 | - |
gel filtration | Pseudomonas aeruginosa |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Pseudomonas aeruginosa | - |
- |
- |
| Pseudomonas aeruginosa Dalgleish | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partially purified | Pseudomonas aeruginosa |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 264 | - |
- |
Pseudomonas aeruginosa |
Storage Stability
| Storage Stability | Organism |
|---|---|
| crude extract, HCl buffer, 0.05 M triethanolamine, 4 days, 50% loss of activity | Pseudomonas aeruginosa |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ampicillin + H2O | - |
Pseudomonas aeruginosa | (2R,4S)-2-[(R)-[[(2R)-2-amino-2-phenylacetyl]amino](carboxy)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| ampicillin + H2O | - |
Pseudomonas aeruginosa Dalgleish | (2R,4S)-2-[(R)-[[(2R)-2-amino-2-phenylacetyl]amino](carboxy)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| benzylpenicillin + H2O | - |
Pseudomonas aeruginosa | (2R,4S)-2-[(R)-carboxy(2-phenylacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| benzylpenicillin + H2O | - |
Pseudomonas aeruginosa Dalgleish | (2R,4S)-2-[(R)-carboxy(2-phenylacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| carbenicillin + H2O | - |
Pseudomonas aeruginosa | (2R,4S)-2-{(R)-carboxy[2-carboxy(phenyl)acetamido]methyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| cephalexin + H2O | - |
Pseudomonas aeruginosa | (2R)-2-[(R)-[[(2R)-2-amino-2-phenylacetyl]amino](carboxy)methyl]-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid | - |
? | |
| cephalexin + H2O | - |
Pseudomonas aeruginosa Dalgleish | (2R)-2-[(R)-[[(2R)-2-amino-2-phenylacetyl]amino](carboxy)methyl]-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid | - |
? | |
| cephaloridine + H2O | - |
Pseudomonas aeruginosa | (2R)-2-[(R)-carboxy[(thiophen-2-ylacetyl)amino]methyl]-5-(pyridinium-1-ylmethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate | - |
? | |
| cephaloridine + H2O | - |
Pseudomonas aeruginosa Dalgleish | (2R)-2-[(R)-carboxy[(thiophen-2-ylacetyl)amino]methyl]-5-(pyridinium-1-ylmethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate | - |
? | |
| cephalosporin C + H2O | poor substrate | Pseudomonas aeruginosa | N6-[(R)-{(2R)-5-[(acetyloxy)methyl]-4-carboxy-3,6-dihydro-2H-1,3-thiazin-2-yl}(carboxy)methyl]-6-oxo-D-lysine | - |
? | |
| cephalothin + H2O | poor substrate | Pseudomonas aeruginosa | (2R)-5-[(acetyloxy)methyl]-2-[(R)-carboxy[(thiophen-2-ylacetyl)amino]methyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid | - |
? | |
| cephalothin + H2O | poor substrate | Pseudomonas aeruginosa Dalgleish | (2R)-5-[(acetyloxy)methyl]-2-[(R)-carboxy[(thiophen-2-ylacetyl)amino]methyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid | - |
? | |
| cloxacillin + H2O | poor substrate | Pseudomonas aeruginosa | (2R,4S)-2-[(R)-carboxy{[3-(2-chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino}methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| methicillin + H2O | poor substrate | Pseudomonas aeruginosa | (2R,4S)-2-[(R)-carboxy(2,6-dimethoxybenzamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| oxacillin + H2O | - |
Pseudomonas aeruginosa | (2R,4S)-2-{(R)-carboxy[(5-methyl-3-phenyl-1,2-oxazole-4-carbonyl)amino]methyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| penicillin N + H2O | - |
Pseudomonas aeruginosa | N6-{(R)-carboxy[(2R,4S)-4-carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl]methyl}-6-oxo-D-lysine | - |
? | |
| phenoxyethylpenicillin + H2O | - |
Pseudomonas aeruginosa | (2R,4S)-2-[(R)-carboxy(3-phenoxypropanamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| phenoxymethylpenicillin + H2O | - |
Pseudomonas aeruginosa | (2R,4S)-2-[(R)-carboxy(2-phenoxyacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
| phenoxypropylpenicillin + H2O | - |
Pseudomonas aeruginosa | (2R,4S)-2-[carboxy(4-phenoxybutanamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8 | - |
- |
Pseudomonas aeruginosa |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 5 | 9 | - |
Pseudomonas aeruginosa |
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