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Abstract

Prokaryotic diacylglycerol kinase (DAGK) and undecaprenol kinase (UDPK) are the lone members of a family of multispan membrane enzymes that are very small, lack relationships to any other family of proteins—including water soluble kinases—and exhibit an unusual structure and active site architecture. DAGK plays an important role in recycling diacylglycerol produced as a by-product of biosynthesis of molecules located in the periplasmic space. UDPK seems to play an analogous role in gram-positive bacteria, where its importance is evident because UDPK is essential for biofilm formation by the oral pathogen . DAGK has also long served as a model system for studies of membrane protein biocatalysis, folding, stability, and structure. This review explores our current understanding of the microbial physiology, enzymology, structural biology, and folding of the prokaryotic DAGK family, which is based on over 40 years of studies.

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/content/journals/10.1146/annurev-biophys-050511-102330
2012-06-09
2024-06-24
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  • Article Type: Review Article
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