Gf effector 10

For the television series, see The Real Housewives of Atlanta. PBB GE RHOA gf effector 10 s at fs. PBB GE RHOA 200736 s at fs.

GTPase protein in the Rho family. While the effects of RhoA activity are not all well known, it is primarily associated with cytoskeleton regulation, mostly actin stress fibers formation and actomyosin contractility. In humans, it is encoded by the gene RHOA. The specific gene that encodes RhoA, ARHA, is located on chromosome 3 and consists of four exons, which has also been linked as a possible risk factor for atherothrombolic stroke. Similar to other GTPases, RhoA present a Rho insert in its primary sequence in the GTPase domain. Most importantly, RhoA contains two switch region, Switch I and Switch II whose conformational states are modified following the activation or inactivation of the protein.

The primary protein sequences of members of the Rho family are mostly identical, with the N-terminal containing most of the protein coding for GTP binding and hydrolysis. The C-terminal of RhoA is modified via prenylation, anchoring the GTPase into membranes, which is essential for its role in cell growth and cytoskeleton organization. RhoA is primarily involved in these activities: actin organization, myosin contractility, cell cycle maintenance, cellular morphological polarization, cellular development and transcriptional control. RhoA is prevalent in regulating cell shape, polarity and locomotion via actin polymerization, actomyosin contractility, cell adhesion, and microtubule dynamics. RhoA is required for processes involving cell development, some of which include outgrowth, dorsal closure, bone formation, and myogenesis. Loss of RhoA function is frequently attributed to failed gastrulation and cell migration inability.

In extension, RhoA has been shown to function as an intermediary switch within the overall mechanically mediated process of stem cell commitment and differentiation. Activated RhoA also participates in regulating transcriptional control over other signal transduction pathways via various cellular factors. RhoA proteins help potentiate the transcription independent of ternary complex factors when activated while simultaneously modulating subsequent extracellular signal activity. RhoA as well as several other members of the Rho family are identified as having roles in the regulation of the cytoskeleton and cell division.

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