Human Palmitoyl-Protein Thioesterase 1 (PPT1) Protein
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Description
Human Palmitoyl-Protein is a recombinant protein from Human produced in Human Cells. Recombinant Human Palmitoyl-protein thioesterase 1 is produced by our Mammalian expression system and the target gene encoding Asp28-Gly306 is expressed with a 6His tag at the C-terminus.
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Product specifications
| Category | Proteins and Peptides |
| Immunogen Target | Palmitoyl-Protein |
| Host | Human |
| Origin | Human |
| Observed MW | Molecular Weight: 32.3 kDa Sequence Fragment: Asp28-Gly306 Tag: C-terminal 6 His tag Validity: The validity for this protein is 6 months. |
| Expression | Recombinant |
| Purity | > 90% (SDS-PAGE) |
| Size 1 | 10 µg |
| Size 2 | 50 µg |
| Tested Applications | SDS-PAGE |
| Buffer | 20mM TrisHCl, 150mM NaCl, 10%Glycerol, pH7.5. |
| Availability | Shipped within 5-15 working days. |
| Storage | Aliquot and store at < -20 °C. Avoid repeated freeze/thaw cycles. |
| Dry Ice | No |
| UniProt ID | P50897 |
| Background | Protein PPT1 |
| Status | RUO |
| Note | This product is for research use only. Not for human consumption, cosmetic, therapeutic or diagnostic use. |
Descripción
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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.
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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.
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