Recombinant Saccharomyces cerevisiae Mitogen-activated protein kinase FUS3(FUS3)

Code CSB-YP322895SVG
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Source Yeast
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Code CSB-EP322895SVG
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Source E.coli
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Code CSB-EP322895SVG-B
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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-BP322895SVG
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Source Baculovirus
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Code CSB-MP322895SVG
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names FUS3
Uniprot No. P16892
Alternative Names FUS3; DAC2; YBL016W; YBL03.21; YBL0303Mitogen-activated protein kinase FUS3; MAP kinase FUS3; EC
Species Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Expression Region 1-353
Protein Length full length protein
Tag Info The following tags are available.
N-terminal His-tagged
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
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.
and FAQs
Protein FAQs
Storage Condition Store at -20°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.

Target Data

Function Together with closely related KSS1, FUS3 is the final kinase in the signal transduction cascade regulating activation/repression of the mating and filamentation pathways, induced by pheromone and nitrogen/carbon limitation, respectively. Phosphorylated FUS3 activates the mating but suppresses the filamentation pathway, whereas activated KSS1 activates both pathways. Pheromone-activated FUS3 functions by inhibiting the binding of the transcriptional activator STE12 to filamentation specific genes while inducing its binding to and activity at mating specific genes. Non-activated FUS3 has a repressive effect on STE12 transcriptional activity. KSS1 can partially compensate for the lack of FUS3 but mating efficiency is reduced and the filamentation program is partially activated upon pheromone signaling. FUS3 phosphorylates STE7, STE5, FAR1, DIG1, DIG2 and STE12.
Gene References into Functions
  1. Fus3 inhibits filamentous growth during mating by degrading Tec1, a cofactor of Ste12 for the expression of filamentation genes. PMID: 15620356
  2. This analysis documents direct phosphorylation of yeast G protein signaling regulator Sst2 by Fus3, and validates the prevailing model for MAP kinase recognition using a native protein substrate in vivo and small synthetic peptides tested in vitro. PMID: 15924435
  3. Results examine the role of docking interactions in determining connectivity of the yeast MAPKs Fus3 and Kss1. PMID: 16364919
  4. Ste5 scaffold has a more active role in the mating pathway; a fragment of Ste5 allosterically activated autophosphorylation of Fus3 PMID: 16424299
  5. Fus3 induces polarized growth in G1 phase cells by down-regulating Ste5 recruitment and by inhibiting Cln/Cdc28 kinase, which prevents basal recruitment of Ste5, Cdc42-mediated asymmetry, and mating morphogenesis. PMID: 18256288
  6. Fus3-triggered Tec1 degradation modulates mating transcriptional output during the pheromone response. PMID: 18682702
  7. Peaks in Fus3 activation correlated with periodic rounds of cell morphogenesis, with each peak preceding the formation of an additional mating projection. PMID: 18976914
  8. the mitogen-activated protein kinase Fus3 mediates fast-acting negative feedback that adjusts the dose response of the downstream system response to match the dose response of receptor-ligand binding PMID: 19079053

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Subcellular Location Nucleus, Cytoplasm, Periplasm
Protein Families Protein kinase superfamily, CMGC Ser/Thr protein kinase family, MAP kinase subfamily
Database Links

KEGG: sce:YBL016W

STRING: 4932.YBL016W

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