ABE1971-I-25UL Display Image

Anti-phospho TFEB (Ser142)

Code: ABE1971-I-25UL D2-231


Research CategoryEpigenetics & Nuclear Function

Anti-phospho TFEB (Ser142), Cat. No. ABE1971-I, is a highly specific rabbit polyclonal antibody that targets...

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Research CategoryEpigenetics & Nuclear Function

Anti-phospho TFEB (Ser142), Cat. No. ABE1971-I, is a highly specific rabbit polyclonal antibody that targets Transcription factor EB phosphorylated on Serine 142 and has been tested for use in Western Blotting.


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

General description

Transcription factor EB (UniProt: P19484; also known as Class E basic helix-loop-helix protein 35, bHLHe35) is encoded by the TFEB (also known as BHLHE35) gene (Gene ID: 7942) in human. TFEB is a basic Helix-Loop-Helix (bHLH) leucine zipper transcription factor that plays a major role in the regulation of lysosomal biogenesis. TFEB is also a main player in the transcriptional response to starvation and controls autophagy by positively regulating autophagosome formation and autophagosome-lysosome fusion. TFEB is phosphorylated by mTORC1 and ERK at Ser142, which prevents its nuclear translocation. Pharmacological inhibition of mTORC1, as well as starvation and lysosomal disruption, activates TFEB nuclear translocation. Similarly, the serine-threonine kinase RIP1/RIPK1 is shown to suppress basal autophagic flux by activating ERK, which in turn phosphorylates TFEB at Ser142 and thereby prevents TFEB-mediated transcription of gene products involved in autophagy.


KLH-conjugated linear peptide corresponding to 15 amino acids surrounding phosphoserine 142 from the N-terminal half of human Transcription factor EB, isoform 1.

Other Notes

Concentration: Please refer to lot specific datasheet.

Physical form

Purified rabbit polyclonal antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Affinity Purified


Evaluated by Western Blotting in transfected HEK293 cell lysate.

Western Blotting Analysis: A 1:500 dilution of this antibody detected phospho TFEB (Ser142) in lysate of HEK293 cells transfected with FLAG-tagged wild type TFEB.


This rabbit polyclonal antibody specifically detects Transcription factor EB phosphorylated on Serine 142 in human cells.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Target description

~65 kDa observed; 52.87 kDa calculated. Uncharacterized bands may be observed in some lysate(s).

antibody formaffinity isolated antibody
antibody product typeprimary antibodies
biological sourcerabbit
Gene Informationhuman ... TFEB(7942)
NCBI accession no.NP_001161299
packagingantibody small pack of 25 µL
purified byaffinity chromatography
Quality Level100
species reactivity (predicted by homology)mouse (based on 100% sequence homology), rat (based on 100% sequence homology), bovine (based on 100% sequence homology)
species reactivityhuman
technique(s)western blot: suitable
UniProt accession no.P19484
Unit Size
List Price
List Price: €393.00
Source:List Price
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