Recombinant Human Pancreas transcription factor 1 subunit alpha (PTF1A)

Code CSB-YP752531HU
MSDS
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Source Yeast
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Code CSB-EP752531HU
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Source E.coli
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Code CSB-EP752531HU-B
MSDS
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP752531HU
MSDS
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Source Baculovirus
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Code CSB-MP752531HU
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
PTF1A
Uniprot No.
Alternative Names
bHLH transcription factor p48; bHLHa29; Class A basic helix-loop-helix protein 29; Class II bHLH protein PTF1A; Exocrine pancreas specific transcription factor p48; p48 DNA binding subunit of transcription factor PTF1; p48 DNA-binding subunit of transcription factor PTF1; PACA; PAGEN2; Pancreas specific transcription factor 1a; Pancreas transcription factor 1 subunit alpha; Pancreas-specific transcription factor 1a; PTF 1A; PTF1 p48; PTF1-p48; Ptf1a; PTF1A_HUMAN; PTF1P48
Species
Homo sapiens (Human)
Expression Region
1-328
Target Protein Sequence
MDAVLLEHFP GGLDAFPSSY FDEDDFFTDQ SSRDPLEDGD ELLADEQAEV EFLSHQLHEY CYRDGACLLL QPAPPAAPLA LAPPSSGGLG EPDDGGGGGY CCETGAPPGG FPYSPGSPPS CLAYPCAGAA VLSPGARLRG LSGAAAAAAR RRRRVRSEAE LQQLRQAANV RERRRMQSIN DAFEGLRSHI PTLPYEKRLS KVDTLRLAIG YINFLSELVQ ADLPLRGGGA GGCGGPGGGG RLGGDSPGSQ AQKVIICHRG TRSPSPSDPD YGLPPLAGHS LSWTDEKQLK EQNIIRTAKV WTPEDPRKLN SKSSFNNIEN EPPFEFVS
Protein Length
full length protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
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 before Lyophilization
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℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and 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
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

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Target Background

Function
Transcription factor implicated in the cell fate determination in various organs. Binds to the E-box consensus sequence 5'-CANNTG-3'. Plays a role in early and late pancreas development and differentiation. Important for determining whether cells allocated to the pancreatic buds continue towards pancreatic organogenesis or revert back to duodenal fates. May be involved in the maintenance of exocrine pancreas-specific gene expression including ELA1 and amylase. Required for the formation of pancreatic acinar and ductal cells. Plays an important role in cerebellar development. Directly regulated by FOXN4 and RORC during retinal development, FOXN4-PTF1A pathway plays a central role in directing the differentiation of retinal progenitors towards horizontal and amacrine fates.
Gene References into Functions
  1. non-neural progenitor transcription factor Ptf1a alone is sufficient to directly reprogram mouse and human fibroblasts into self-renewable induced neural stem cells capable of differentiating into functional neurons, astrocytes and oligodendrocytes, and improving cognitive dysfunction of Alzheimer's disease mouse models when transplanted PMID: 30030434
  2. Study describes the wide range of gene control by PTF1A that maintains the specific characteristics of pancreatic acinar cell identity and differentiation. PTF1A controls the pancreatic acinar transcription program by direct action at a thousand genes and in collaboration with other less cell type-restricted factors to ensure acinar cell homeostasis and to suppress other cell-type-specific programs. PMID: 27697859
  3. Data show isolated Pancreatic Aplasia Due to a Hypomorphic PTF1A Mutation PMID: 27284104
  4. The results of this study suggested Ptf1a-dependent cell-fate misspecification as a novel mechanism of human brainstem pathology. PMID: 26937009
  5. PTF1A enhancer mutations have been shown to cause neonatal diabetes associated with pancreatic agenesis PMID: 26184423
  6. Loss of Ptf1a alone is sufficient to induce acinar-to-ductal metaplasia, potentiate inflammation, and induce a KRAS-permissive, pancreatic ductal adenocarcinoma-like gene expression profile. PMID: 26151762
  7. The results of the present study do not support the hypothesis that high penetrant mutations in these regions of PTF1A are involved in the development of human VATER/VACTERL association or NTDs PMID: 25775927
  8. ata indicate that E3 ubiquitin ligase thyroid hormone receptor-interacting protein 12 (TRIP12) promotes proteasomal degradation of pancreas transcription factor 1a (PTF1a)and regulates PTF1a activities. PMID: 25355311
  9. Recessive mutations in a distal PTF1A enhancer cause isolated pancreatic agenesis. PMID: 24212882
  10. ICAT is a novel Ptf1a interactor that regulates pancreatic acinar differentiation and displays altered expression. PMID: 23339455
  11. ptf1a functions as a "pancreatic determiner". PMID: 20668890
  12. P48 interacts with the RBP-L and RBP-J subunits primarily through two short conserved tryptophan-containing motifs, similar to the motif of the Notch intracellular domain (NotchIC) that interacts with RBP-J. PMID: 16354684
  13. Controls the fate, survival, differentiation, and migration of climbing fiber neurons during their development in the transgenic murine inferior olivary nucleus. PMID: 17928434
  14. A critical and selective role of p/CAF in PTF1-dependent gene activation during acinar differentiation. PMID: 18834332
  15. Here we report a new case of cerebellar agenesis and neonatal diabetes mellitus whose parents are PTF1A mutation carriers. PMID: 19650412
  16. Two separable genomic regions code for initiation and positive feedback of Ptf1a transgene expression in the developing nervous system. PMID: 19741120

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Involvement in disease
Pancreatic and cerebellar agenesis (PACA); Pancreatic agenesis 2 (PAGEN2)
Subcellular Location
Nucleus. Cytoplasm.
Tissue Specificity
Pancreas-specific (at protein level). Loss of expression is seen in ductal type pancreas cancers.
Database Links

HGNC: 23734

OMIM: 607194

KEGG: hsa:256297

STRING: 9606.ENSP00000365687

UniGene: Hs.351503

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