G Protein Beta Subunit Like Protein (GBL) Antibody

Subunit of both mTORC1 and mTORC2, which regulate cell growth and survival in response to nutrient and hormonal signals. mTORC1 is activated in response to growth factors or amino-acids. Amino-acid-signaling to mTORC1 is mediated by Rag GTPases, which cause amino-acid-induced relocalization of mTOR within the endomembrane system. Growth factor-stimulated mTORC1 activation involves AKT1-mediated phosphorylation of TSC1-TSC2, which leads to the activation of the RHEB GTPase that potently activates the protein kinase activity of mTORC1. Activated mTORC1 up-regulates protein synthesis by phosphorylating key regulators of mRNA translation and ribosome synthesis. mTORC1 phosphorylates EIF4EBP1 and releases it from inhibiting the elongation initiation factor 4E (eiF4E). mTORC1 phosphorylates and activates S6K1 at 'Thr-389', which then promotes protein synthesis by phosphorylating PDCD4 and targeting it for degradation. Within mTORC1, LST8 interacts directly with FRAP1 and enhances its kinase activity. In nutrient-poor conditions, stabilizes the FRAP1-RPTOR interaction and favors RPTOR-mediated inhibition of FRAP1 activity. mTORC2 is also activated by growth factors, but seems to be nutrient-insensitive. mTORC2 seems to function upstream of Rho GTPases to regulate the actin cytoskeleton, probably by activating one or more Rho-type guanine nucleotide exchange factors. mTORC2 promotes the serum-induced formation of stress-fibers or F-actin. mTORC2 plays a critical role in AKT1 'Ser-473' phosphorylation, which may facilitate the phosphorylation of the activation loop of AKT1 on 'Thr-308' by PDK1 which is a prerequisite for full activation. mTORC2 regulates the phosphorylation of SGK1 at 'Ser-422'. mTORC2 also modulates the phosphorylation of PRKCA on 'Ser-657'. This antibody is supplied as crude ascites.

Target	G Protein Beta Subunit Like Protein (GBL)
Clonality	Monoclonal
Reactivity	Mouse
Tested Applications	ELISA, WB
Host	Mouse
Recommended dilutions	WB: 1/100 - 1/8000. Optimal dilutions/concentrations should be determined by the end user.
Conjugation	Unconjugated
Immunogen	Human GBL recombinant protein.
Isotype	IgG1 Kappa
Form	Liquid
Purification	Unpurified crude ascites.
Storage	Aliquot and store at -20°C. Avoid repeated freeze/thaw cycles.
UniProt Primary AC	Q9BVC4 (UniProt, ExPASy)
UniProt Entry Name	LST8_HUMAN
String	9606.ENSP00000456405
Molecular Weight	Calculated MW: 35.9 kDa
Buffer	Ascites containing 0.09% sodium azide.
Availability	Shipped within 5-10 working days.
Note	This product is for research use only.

Research Articles on G Protein Beta Subunit Like Protein (GBL)

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