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Invitrogen™ LARP1 Polyclonal Antibody

Rabbit Polyclonal Antibody

Supplier:  Invitrogen™ PA535912

Catalog No. PIPA535912


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Description

Description

Recommended positive controls: IMR32, SK-N-AS. Predicted reactivity: Mouse (98%), Xenopus laevis (85%). Store product as a concentrated solution. Centrifuge briefly prior to opening the vial.

RNA-binding protein that regulates the translation of specific target mRNA species downstream of the mTORC1 complex, in function of growth signals and nutrient availability (PubMed:20430826, PubMed:23711370, PubMed:24532714, PubMed:25940091, PubMed:28650797, PubMed:28673543, PubMed:29244122). Interacts on the one hand with the 3' poly-A tails that are present in all mRNA molecules, and on the other hand with the 7-methylguanosine cap structure of mRNAs containing a 5' terminal oligopyrimidine (5'TOP) motif, which is present in mRNAs encoding ribosomal proteins and several components of the translation machinery (PubMed:23711370, PubMed:25940091, PubMed:28650797, PubMed:29244122, PubMed:26206669, PubMed:28379136). The interaction with the 5' end of mRNAs containing a 5'TOP motif leads to translational repression by preventing the binding of EIF4G1 (PubMed:25940091, PubMed:28650797, PubMed:29244122, PubMed:28379136). When mTORC1 is activated, LARP1 is phosphorylated and dissociates from the 5' untranslated region (UTR) of mRNA (PubMed:25940091, PubMed:28650797). Does not prevent binding of EIF4G1 to mRNAs that lack a 5'TOP motif (PubMed:28379136). Interacts with the free 40S ribosome subunit and with ribosomes, both monosomes and polysomes (PubMed:20430826, PubMed:24532714, PubMed:25940091, PubMed:28673543). Under normal nutrient availability, interacts primarily with the 3' untranslated region (UTR) of mRNAs encoding ribosomal proteins and increases protein synthesis (PubMed:23711370, PubMed:28650797). Associates with actively translating ribosomes and stimulates translation of mRNAs containing a 5'TOP motif, thereby regulating protein synthesis, and as a consequence, cell growth and proliferation (PubMed:20430826, PubMed:24532714). Stabilizes mRNAs species with a 5'TOP motif, which is required to prevent apoptosis (PubMed:20430826, PubMed:23711370, PubMed:25940091, PubMed:28673543). [UniProt].
TRUSTED_SUSTAINABILITY
Specifications

Specifications

LARP1
Polyclonal
Unconjugated
Larp1
0031/08; 0225/29; 1810024J12Rik; 3110040D16Rik; BcDNA:LD02611; CG14065; CG14066; CG42551; CG42551-PA; CG42551-PB; CG42551-PD; CG42551-PE; CG42551-PF; CG42551-PG; CG42551-PH; dlarp; Dmel\CG42551; Dmel_CG42551; drosophila La related protein; KIAA0731; l(3)S003108; l(3)S022529; La related protein; La ribonucleoprotein domain family member 1; La ribonucleoprotein domain family, member 1; La-related protein; la-related protein 1; Larp; Larp1; larp-PA; larp-PB; larp-PD; larp-PE; larp-PF; larp-PG; larp-PH; lethal (3) S003108; lethal (3) S022529; meteor; mKIAA0731; RGD1306683
Rabbit
Antigen affinity chromatography
RUO
23367
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.
Liquid
Western Blot, Immunocytochemistry
1 mg/mL
PBS with 20% glycerol and 0.01% thimerosal; pH 7
Q6PKG0
Larp1
Recombinant fragment corresponding to a region within amino acids 661 and 1019 of LARP1.
100 μL
Primary
Human
Antibody
IgG
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