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PPT1 Antibody (C-term)

Purified Rabbit Polyclonal Antibody (Pab)

  • WB - PPT1 Antibody (C-term) AP2538b
    Western blot analysis of PPT1 Antibody (C-term) (Cat. #AP2538b) in 293 cell line lysates (35ug/lane). PPT1 (arrow) was detected using the purified Pab.
  • IHC-P - PPT1 Antibody (C-term) AP2538b
    Formalin-fixed and paraffin-embedded human lung carcinoma tissue reacted with PPT1 antibody (C-term) (Cat. #AP2538b), which was peroxidase-conjugated to the secondary antibody, followed by DAB staining. This data demonstrates the use of this antibody for immunohistochemistry; clinical relevance has not been evaluated.
  • WB - PPT1 Antibody (C-term) AP2538b
    Western blot analysis of PPT1 (arrow) using rabbit polyclonal PPT1 Antibody (A284) (Cat. #AP2538b). 293 cell lysates (2 ug/lane) either nontransfected (Lane 1) or transiently transfected (Lane 2) with the PPT1 gene.
Product Information
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
Primary Accession P50897
Other Accession Q8HXW6
Reactivity Human
Predicted Monkey
Host Rabbit
Clonality Polyclonal
Isotype Rabbit Ig
Calculated MW 34193 Da
Antigen Region 269-300 aa
Additional Information
Gene ID 5538
Other Names Palmitoyl-protein thioesterase 1, PPT-1, Palmitoyl-protein hydrolase 1, PPT1, PPT
Target/Specificity This PPT1 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 269-300 amino acids from the C-terminal region of human PPT1.
Dilution WB~~1:1000
Format Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is prepared by Saturated Ammonium Sulfate (SAS) precipitation followed by dialysis against PBS.
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsPPT1 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name PPT1
Synonyms CLN1 {ECO:0000303|PubMed:19941651}, PPT
Function Removes thioester-linked fatty acyl groups such as palmitate from modified cysteine residues in proteins or peptides during lysosomal degradation. Prefers acyl chain lengths of 14 to 18 carbons (PubMed:8816748).
Cellular Location Lysosome. Secreted {ECO:0000250|UniProtKB:P45478}
Research Areas
Citations (0)

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Palmitoyl-protein thioesterase-1 (PPT1) is a lysosomal hydrolase that removes long-chain fatty acyl groups from modified cysteine residues in proteins. Mutations in PPT1 have been found to cause the infantile form of neuronal ceroid lipofuscinosis (INCL), and an animal model has been developed.1 The deduced PPT2 protein contains 302 amino acids, including a 27-amino acid leader peptide, a sequence motif characteristic of many thioesterases and lipases, and 5 potential N-linked glycosylation sites.2 PPT2 shares 18% amino acid identity with PPT1. Northern blot analysis detected a predominant 2.0-kb PPT2 transcript in the human tissues examined, with the highest expression in skeletal muscle; variable amounts of 2.8- and 7.0-kb transcripts were also observed. Recombinant PPT2, like PPT1, possesses thioesterase activity and localizes to the lysosome. Since PPT2 could not substitute for PPT1 in correcting the metabolic defect in INCL cells and was unable to remove palmitate groups from palmitoylated proteins that are routinely used as substrates for PPT1it has been postulated that PPT2 possesses a different substrate specificity than PPT1.


Calero, G., et al., J. Biol. Chem. 278(39):37957-37964 (2003).
Hofmann, S.L., et al., Curr. Mol. Med. 2(5):423-437 (2002).
Weimer, J.M., et al., Neuromolecular Med. 1(2):111-124 (2002).
Lu, J.Y., et al., Proc. Natl. Acad. Sci. U.S.A. 93(19):10046-10050 (1996).
Crews, C.M., et al., Proc. Natl. Acad. Sci. U.S.A. 93(9):4316-4319 (1996).

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$ 325.00
$ 109.00
Cat# AP2538b
Availability: In Stock
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