Name: Recombinant Human Peroxisomal biogenesis factor 19(PEX19) (Active)
Brand: CUSABIO
SKU: CSB-EP017802HU

Product Details

Purity	Greater than 90% as determined by SDS-PAGE.
Activity	Measured by its binding ability in a functional ELISA. Immobilized ABCD1 at 5 μg/ml can bind human PEX19, the EC50 of human PEX19 protein is 22.96-33.00 μg/ml.
Target Names	PEX19
Uniprot No.	P40855
Research Area	Tags & Cell Markers
Alternative Names	33 kDa housekeeping protein; D1S2223E; HK33; Housekeeping gene 33kD; OK/SW-cl.22; PBD12A; Peroxin 19; Peroxin-19; Peroxisomal biogenesis factor 19; Peroxisomal farnesylated protein; PEX19; PEX19_HUMAN; PMP1; PMPI; PXF; PXMP1
Species	Homo sapiens (Human)
Source	E.coli
Expression Region	2-296aa
Target Protein Sequence	AAAEEGCSVGAEADRELEELLESALDDFDKAKPSPAPPSTTTAPDASGPQKRSPGDTAKDALFASQEKFFQELFDSELASQATAEFEKAMKELAEEEPHLVEQFQKLSEAAGRVGSDMTSQQEFTSCLKETLSGLAKNATDLQNSSMSEEELTKAMEGLGMDEGDGEGNILPIMQSIMQNLLSKDVLYPSLKEITEKYPEWLQSHRESLPPEQFEKYQEQHSVMCKICEQFEAETPTDSETTQKARFEMVLDLMQQLQDLGHPPKELAGEMPPGLNFDLDALNLSGPPGASGEQC
Mol. Weight	59.3kDa
Protein Length	Full Length of Mature Protein
Tag Info	N-terminal GST-tagged
Form	Liquid or Lyophilized powder Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer	If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Note: If you have any special requirement for the glycerol content, please remark when you place the order. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution	We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs	Protein FAQs
Storage Condition	Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life	The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time	3-7 business days
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA	Please contact us to get it.

Target Background

Function	Necessary for early peroxisomal biogenesis. Acts both as a cytosolic chaperone and as an import receptor for peroxisomal membrane proteins (PMPs). Binds and stabilizes newly synthesized PMPs in the cytoplasm by interacting with their hydrophobic membrane-spanning domains, and targets them to the peroxisome membrane by binding to the integral membrane protein PEX3. Excludes CDKN2A from the nucleus and prevents its interaction with MDM2, which results in active degradation of TP53.
Gene References into Functions	Thus, PEX19 and PEX3 peroxisome biogenesis factors provide an alternative posttranslational route for membrane insertion of the reticulon homology domain-containing proteins, implying that endoplasmic reticulum membrane shaping and peroxisome biogenesis may be coordinated. PMID: 29396426 The results demonstrate an allosteric mechanism for the modulation of PEX19 function by farnesylation. PMID: 28281558 that newly synthesized UBXD8 is post-translationally inserted into discrete ER subdomains by a mechanism requiring cytosolic PEX19 and membrane-integrated PEX3, proteins hitherto exclusively implicated in peroxisome biogenesis PMID: 27295553 suggest a novel regulatory mechanism for peroxisome biogenesis through the interaction between Pex19p and PLA/AT-3 PMID: 26018079 Thus within the cell, PEX3 is stabilized by PEX19 preventing PEX3 aggregation. PMID: 25062251 PEX19 formed a complex with the peroxisomal tail anchored protein PEX26 in the cytosol and translocated it directly to peroxisomes by a TRC40-independent class I pathway. PMID: 23460677 PEX3-PEX19 interaction is crucial for de novo formation of peroxisomes in peroxisome-deficient cells. PMID: 22624858 The Pex19p peptide contains a characteristic motif, consisting of the leucine triad (Leu18, Leu21, Leu22), and Phe29, which are critical for the Pex3p binding and peroxisome biogenesis. PMID: 21102411 The crystal structure of the cytosolic domain of PEX3 in complex with a PEX19-derived peptide. PEX3 adopts a novel fold that is best described as a large helical bundle. PMID: 20554521 data indicate a divided N-terminal and C-terminal structural arrangement in Pex19p, which is reminiscent of a similar division in the Pex5p receptor, to allow separation of cargo-targeting signal recognition and additional functions. PMID: 20531392 a considerable functional diversity of the proteins encoded by two PEX19 splice variants and thereby provide first experimental evidence for specific biological functions of the different predicted domains of the PEX19 protein. PMID: 11883941 PEX19 binds and stabilizes newly synthesized PMPs in the cytosol, binds to multiple PMP targeting signals (mPTSs), interacts with the hydrophobic domains of PMP targeting signals, and is essential for PMP targeting and import. PMID: 14709540 Interaction of PEX3 and PEX19 visualized by fluorescence resonance energy transfer (FRET). PMID: 14713233 Pex19p has a role in assembly of PTS-receptor docking complexes PMID: 14715663 Results suggest that PEX3 plays a selective, essential, and direct role in class I peroxisomal membrane protein import as a docking factor for PEX19. PMID: 15007061 human Pex19p domain architecture and activity PMID: 15252024 analysis of the PEX19-binding site of human adrenoleukodystrophy protein PMID: 15781447 Pex19p translocates the membrane peroxins from the cytosol to peroxisomes in an ATP- and Pex3p-dependent manner and then shuttles back to the cytosol PMID: 16280322 Pex19p binds to PMP70 co-translationally and keeps PMP70 in a proper conformation for the localization to peroxisome. PMID: 16344115 Nonfarnesylated and farnesylated human Pex19p display a similar affinity towards a select set of peroxisomal membrane proteins. PMID: 16791427 Data suggest that Pex19p probably functions as a chaperone for membrane proteins and transports them to peroxisomes by anchoring to Pex3p using residues 12-73 and 40-131. PMID: 16895967 either one or two tryptophan residues of Pex3p (Trp-104 and Trp-224) are directly involved in binding to Pex19p. PMID: 18174172 targeting of hFis1 to peroxisomes and mitochondria are independent events and support a direct, Pex19p-dependent targeting of peroxisomal tail-anchored proteins. PMID: 18782765 N-terminal domain of Pex14, Pex14(N), adopts a three-helical fold. Pex5 and Pex19 ligand helices bind competitively to the same surface in Pex14(N) albeit with opposite directionality. PMID: 19197237 ALDRP interacts with PEX19 splice variants PEX19-delta-E2 and PEX19-delta-E8. PMID: 11883941 LDRP (ABCD2) interacts with both farnesylated wild-type and farnesylation-deficient mutant PEX19. This interaction is mediated by amino acids 1-218 of ALDRP. PMID: 10777694 MP70 (ABCD3) interacts with both farnesylated wild-type and farnesylation-deficient mutant PEX19. PMID: 10777694 MP70 interacts with PEX19 splice variants PEX19-delta-E2 and PEX19p-delta-E8. PMID: 11883941 Show More Hide All
Involvement in disease	Peroxisome biogenesis disorder complementation group 14 (PBD-CG14); Peroxisome biogenesis disorder 12A (PBD12A)
Subcellular Location	Cytoplasm. Peroxisome membrane; Lipid-anchor; Cytoplasmic side.
Protein Families	Peroxin-19 family
Tissue Specificity	Ubiquitously expressed. Isoform 1 is strongly predominant in all tissues except in utero where isoform 2 is the main form.
Database Links	HGNC: 9713 OMIM: 600279 KEGG: hsa:5824 STRING: 9606.ENSP00000357051 UniGene: Hs.517232

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Code	CSB-EP017802HU
Size	US$1726 How to order?
Image	(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel. Activity Measured by its binding ability in a functional ELISA. Immobilized ABCD1 at 5 μg/ml can bind human PEX19, the EC₅₀ of human PEX19 is 22.96-33.00 μg/ml.
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Recombinant Human Peroxisomal biogenesis factor 19(PEX19) (Active)

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Target Background

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