名称：mTOR(Phospho-Ser2448)

别名：FRAP; FRAP1; FRAP2; RAFT1;

Pathway：PI3K-Akt signaling pathway

Pathway：mTOR signaling pathway

Pathway：Jak-STAT signaling pathway

Pathway：Hippo signaling pathway

Modified：Phosphorylated

Targets：Disease

描述

Kinase 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-421', which then promotes protein synthesis by phosphorylating PDCD4 and targeting it for degradation. 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'.

文献

Albanell J,et al.(2007)Clin Transl Oncol.9(8):484-93.

Huang JJ,et al.

Specification

Entrez GeneID：2475;

Swissprot：P42345

Gene Accession：Swiss-Prot: P42345NCBI Protein: NP_004949.1

WB Predicted band size：289kDa

Host/Isotype：Rabbit IgG

Antibody Type：Primary antibody

Storage：Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze/thaw cycles.

Species Reactivity：Human,Mouse,Rat

免疫原：Peptide sequence around phosphorylation site of serine 2448 (T-D-S(p)-Y-S) derived from Human mTOR.

Formulation：Purified antibody in PBS with 0.05% sodium azide.

Application

Application：WB,IHC,IF

WB：1/500-1/1000

IHC：1/50-1/100

ICC：1/100-1/200

宿主：Rabbit