Activation of a cryptic gene encoding a kinase for L-xylulose opens a new pathway for the utilization of L-lyxose by Escherichia coli.

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Article

Activation of a cryptic gene encoding a kinase for L-xylulose opens a new pathway for the utilization of L-lyxose by Escherichia coli.

The Journal of biological chemistry - 25 Nov 1994

Sánchez J C, Gímenez R, Schneider A, Fessner W D, Baldomà L, Aguilar J, Badía J

Abstract excerpt

A silent gene encoding a kinase that specifically phosphorylates L-xylulose was activated and rendered constitutive in mutant cells of Escherichia coli. L-Xylulose kinase was purified to homogeneity and found to be a dimer of two subunits of 55 kDa, highly specific for L-xylulose with a Km of 0.8...

Topics

Cloning, Molecular
Escherichia coli
Gene Expression
Mutation
Pentosephosphates
Pentoses
Phosphotransferases (Alcohol Group Acceptor)
Restriction Mapping
Rhamnose
Substrate Specificity
Xylulose

Source

Open in PubMed

Identifiers

PMID: 7961955

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-7961955-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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