htpX:Quickview

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Quickview   Gene   Gene Product(s)   Expression   Evolution   On One Page    
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Standard Name
Gene Synonym(s)
Product Desc.
Product Synonyms(s)
Knock-Out Phenotype
Regulation/Expression
Regulation/Activity
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Notes

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Overexpression of truncated HtpX promotes degradation of incomplete proteins in puromycin-treated cells. HtpX collaborates with FtsH to eliminate abnormal membrane proteins: an hflX ftsH double mutant is temperature-sensitive for growth. Inactivation of putative protease active site residues abolishes ability to cross-complement defects in the FtsH protease. Start codon verified by toeprint analysis (Kornitzer, 1991). HtpX has a cytosolic active site. HtpX in vivo cleavage of SecY is seen when both are overproduced. Cpx regulon. RpoH regulon. Synthetic lethal with hflB(ftsH) in fabZ(SfhC) background. HtpX has two TM helices. htpX, yggG, yfgC and ycaL are paralogs.[1]



References

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  1. ↑ EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.