Na(+)/glutamine (asparagine) cotransport by Staphylococcus lugdunensis and Corynebacterium amycolatum

Staphylococcus lugdunensis and Corynebacterium amycolatum each have a Na(+)/glutamine cotransporter that displays an ordered reaction sequence at the extracellular surface, with sodium binding (K(m) of 6.5 mM) before glutamine (K(m) of 50 microM). Asparagine is low-affinity substrate (K(m) approxima...

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Veröffentlicht in:	Journal of bacteriology 2001-02, Vol.183 (3), p.1110-1112
Hauptverfasser:	Sarker, R I, Maloney, P C
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Acid Transport System X-AG Biological Transport Carrier Proteins - metabolism Corynebacterium - metabolism Energy Metabolism Glutamate Plasma Membrane Transport Proteins Glutamates - metabolism Physiology and Metabolism Skin - microbiology Sodium - metabolism Staphylococcus - metabolism Sweat - metabolism Symporters
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Beschreibung
Zusammenfassung:	Staphylococcus lugdunensis and Corynebacterium amycolatum each have a Na(+)/glutamine cotransporter that displays an ordered reaction sequence at the extracellular surface, with sodium binding (K(m) of 6.5 mM) before glutamine (K(m) of 50 microM). Asparagine is low-affinity substrate (K(m) approximately 1 mM) for each system.
ISSN:	0021-9193 1098-5530
DOI:	10.1128/JB.183.3.1110-1112.2001