Involvement of FtsE ATPase and FtsX Extracellular Loops 1 and 2 in FtsEX-PcsB Complex Function in Cell Division of Streptococcus pneumoniae D39
نویسندگان
چکیده
منابع مشابه
Involvement of FtsE ATPase and FtsX Extracellular Loops 1 and 2 in FtsEX-PcsB Complex Function in Cell Division of Streptococcus pneumoniae D39
UNLABELLED The FtsEX protein complex has recently been proposed to play a major role in coordinating peptidoglycan (PG) remodeling by hydrolases with the division of bacterial cells. According to this model, cytoplasmic FtsE ATPase interacts with the FtsZ divisome and FtsX integral membrane protein and powers allosteric activation of an extracellular hydrolase interacting with FtsX. In the majo...
متن کاملBiochemical characterization of essential cell division proteins FtsX and FtsE that mediate peptidoglycan hydrolysis by PcsB in Streptococcus pneumoniae
The FtsEX:PcsB complex forms a molecular machine that carries out peptidoglycan (PG) hydrolysis during normal cell division of the major respiratory pathogenic bacterium, Streptococcus pneumoniae (pneumococcus). FtsX is an integral membrane protein and FtsE is a cytoplasmic ATPase that together structurally resemble ABC transporters. Instead of transport, FtsEX transduces signals from the cell ...
متن کاملEssential PcsB putative peptidoglycan hydrolase interacts with the essential FtsXSpn cell division protein in Streptococcus pneumoniae D39.
The connection between peptidoglycan remodeling and cell division is poorly understood in ellipsoid-shaped ovococcus bacteria, such as the human respiratory pathogen Streptococcus pneumoniae. In S. pneumoniae, peptidoglycan homeostasis and stress are regulated by the WalRK (VicRK) two-component regulatory system, which positively regulates expression of the essential PcsB cysteine- and histidin...
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ژورنال
عنوان ژورنال: mBio
سال: 2013
ISSN: 2161-2129,2150-7511
DOI: 10.1128/mbio.00431-13