Human Wnt-3a

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Size25 µg
Price150 €
SourceE. coli
Purity Confirmation> 90% by SDS-PAGE & Coomassie stain
Length [aa]343
Molecular Weight38.6 kDa
N Terminal SequenceUnder work!
Species ReactivityHuman
ReconstitutionHumanWnt3ashould be reconstituted in 50 mM acetic acidto a concentration of 0.1 mg/ml. This solution can be diluted in water or other buffer solutions or stored at -20°C.
Stability and StorageThe lyophilized human Wnt3a, though stable at room temperature, is best stored desiccated below 0°C. Reconstituted human Wnt3a should be stored in working aliquots at -20°C.
DescriptionWnt-3a is one of about 19 vertebrate members of the Wingless-type MMTV integration site (Wnt) family of highly conserved, cysteine-rich secreted glycoproteins important for normal developmental processes. Wnts bind to receptors of the Frizzled family in conjunction with a coreceptor of the low-density lipoprotein receptor-related protein family (LRP-5 or -6), or the Ryk atypical receptor tyrosine kinase. During development, Wnt-3a is a morphogen that is thought to coordinate somitogenesis and mesoderm boundary determination. When Wnt-3a is deleted, mice fail to develop a hippocampus, and show defects in anterior-posterior patterning, somite development and tailbud formation. Wnt-3a has also been implicated in chondrocyte differentiation. Like other Wnts, Wnt-3a is modified by palmitate addition (at Cys 77) following glycosylation, which increases its hydrophobicity, secretion and activity. A second site at Ser 209 modified by palmitoleic acid also contributes. Human Wnt-3a shares 96% amino acid (aa) identity with mouse, bovine and canine Wnt-3a, and 89%, 86% and 84% aa identity with chicken, Xenopus and zebrafish Wnt-3a, respectively. It also shares 87% aa identity with Wnt-3. Human Wnt-3a is a 44 kDa secreted hydrophobic glycoprotein containing a conserved pattern of 24 cysteine residues.
Uniprot IDP56704
Protein RefSeqNP_149122
mRNA RefSeqNM_033131

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