Values CatLog read from this paper
Novel chimeric beta-lactamase CTX-M-64, a hybrid of CTX-M-15-like and CTX-M-14 beta-lactamases, found in a Shigella sonnei strain resistant to various oxyimino-cephalosporins, including ceftazidime
PMID 18955524doi:10.1128/aac.00227-08Open in Browse
The paper itself is not on this site: read it at the publisher. This page lists only the values CatLog read from it.
CatLog read 5 records (15 values) from this paper: CTX-M-64 beta-lactamase from Shigella sonnei.
Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units. Values are in CatLog's units; each record opens in Browse with the line the paper prints and the checks.
| Enzyme | Organism | Substrate | kcat (s⁻¹) | Km (mM) | kcat/Km (mM⁻¹ s⁻¹) | Conditions | Open record |
|---|---|---|---|---|---|---|---|
| CTX-M-64 beta-lactamase | Shigella sonnei | ampicillin | 36.9 | 0.0195 | 1.9 × 10³ | pH 7, 37 °C | Open record: CTX-M-64 beta-lactamase, ampicillin |
| CTX-M-64 beta-lactamase | Shigella sonnei | cefepime | 67.7 | 0.505 | 130 | pH 7, 37 °C | Open record: CTX-M-64 beta-lactamase, cefepime |
| CTX-M-64 beta-lactamase | Shigella sonnei | cefotaxime | 197 | 0.103 | 1.9 × 10³ | pH 7, 37 °C | Open record: CTX-M-64 beta-lactamase, cefotaxime |
| CTX-M-64 beta-lactamase | Shigella sonnei | cephalothin | 185 | 0.0379 | 4.9 × 10³ | pH 7, 37 °C | Open record: CTX-M-64 beta-lactamase, cephalothin |
| CTX-M-64 beta-lactamase | Shigella sonnei | nitrocefin | 252 | 0.0148 | 1.7 × 10⁴ | pH 7, 37 °C | Open record: CTX-M-64 beta-lactamase, nitrocefin |