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EC Number
Natural Substrates
Commentary (Nat. Sub.)
GDP + H2O
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GTP + H2O
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GTP + H2O
cotranslational protein targeting to the plasma membrane, the Ffh-4.5S RNA ribonucleoprotein complex and the FtsY protein, respectively, form a unique complex in which both Ffh and FtsY act as GTPase activating proteins for one another, resulting in a mutual stimulation of GTP hydrolysis by both proteins, 4.5S RNA modulates the conformation of the Ffh-FtsY complex and may regulate its GTPase activity during the SRP functional cycle
GTP + H2O
Ffh mediates SRP-dependent, cotranslational protein targeting to the plasma membrane, Ffh and FtsY, the latter being the GTPase subunit of the bacterial SRP receptor, act as GTPase activating proteins for one another, resulting in reciprocal stimulation of GTP hydrolysis
more
FlhF is dispensable for protein targeting and for growth and viability, it plays a minor role in cell motility, the flhF gene is located within the che/fla operon
more
light-harvesting chlorophyll a/b binding proteins are posttranslationally targeted to the thylakoid membrane by cpSRP, a heterodimer formed by cpSRP54 and cpSRP43
GTP + H2O
protein targeting by the SRP pathway, Ffh and FtsY, the GTPase subunit of the SRP receptor, reciprocally regulate each other’s GTPase activity, they interact only in a primed conformation which requires interdomain communication
GTP + H2O
protein targeting to the plasma membrane
GTP + H2O
protein targeting to the plasma membrane, signal recognition particle cycle, SRP and its receptor stimulate each other’s GTPase activity, GTP hydrolysis ensures unidirectional targeting of cargo through a translocation pore in the membrane
more
Rpl25p plays a critical role in the recruitment of signal recognition particle to the ribosome
Results 1 - 10 of 15 > >>