Values CatLog read from this paper
Crystal structure of Escherichia coli xanthine phosphoribosyltransferase
PMID 9100006doi:10.1021/bi962640dOpen in Browse
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CatLog read 4 records (12 values) from this paper: xanthine phosphoribosyltransferase (XPRT) from Escherichia coli.
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 |
|---|---|---|---|---|---|---|---|
| xanthine phosphoribosyltransferase (XPRT) | Escherichia coli | 5-phospho-alpha-D-ribosyl 1-pyrophosphate | 112 | 0.139 | 8.1 × 10³ | pH 8.5, 25 °C | Open record: xanthine phosphoribosyltransferase (XPRT), 5-phospho-alpha-D-ribosyl 1-pyrophosphate |
| xanthine phosphoribosyltransferase (XPRT) | Escherichia coli | guanine | 112 | 0.0043 | 2.6 × 10⁴ | pH 8.5, 25 °C | Open record: xanthine phosphoribosyltransferase (XPRT), guanine |
| xanthine phosphoribosyltransferase (XPRT) | Escherichia coli | hypoxanthine | 54.8 | 0.0908 | 600 | pH 8.5, 25 °C | Open record: xanthine phosphoribosyltransferase (XPRT), hypoxanthine |
| xanthine phosphoribosyltransferase (XPRT) | Escherichia coli | xanthine | 150.1 | 0.0305 | 4.9 × 10³ | pH 8.5, 25 °C | Open record: xanthine phosphoribosyltransferase (XPRT), xanthine |