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Size2 µg
Price65 €
SourceE. coli
Purity Confirmation> 95% by SDS-PAGE
Length [aa]125
Molecular Weight28.5 kDa
N Terminal SequenceSIEEAVPA
Endotoxin Levels< 0.1 ng per ug of PDGF-AA
Biological ActivityThe biological activity was determined by the induction of proliferation in NHDF cells (Normal Human Dermal Fibroblasts).
Species ReactivityHuman
Buffer50mM acetic acid
ReconstitutionCentrifuge vial prior to opening. The lyophilized PDGF-AA should be reconstituted in water to a concentration not lower than 50 µg/ml. For long term storage we recommend to add at least 0.1% human or bovine serum albumin.
Stability and StorageThe lyophilized PDGF-AA is stable for a few weeks at room temperature, but best stored at -20°C. Reconstituted PDGF-AA is best stored at -20°C to -70°C. Avoid repeated freeze-thaw cycles.
DescriptionPDGFs are disulfide-linked dimers consisting of two 12.0-13.5 kDa polypeptide chains, designated PDGF-A and PDGF-B chains. The three naturally occurring PDGFs; PDGF-AA, PDGF-BB and PDGF-AB, are potent mitogens for a variety of cell types including smooth muscle cells, connective tissue cells, bone and cartilage cells, and some blood cells. The PDGFs are stored in platelet alpha-granules and are released upon platelet activation. The PDGFs are involved in a number of biological processes, including hyperplasia, chemotaxis, embryonic neuron development, and respiratory tubule epithelial cell development. Two distinct signaling receptors used by PDGFs have been identified and named PDGFR-alpha and PDGFR-beta. PDGFR-alpha is high-affinity receptor for each of the three PDGF forms. On the other hand, PDGFR-beta interacts with only PDGF-BB and PDGF-AB. Recombinant human PDGF-AA is a 28.5 kDa disulfide-linked homodimer of two A chains (250 total amino acids).
Uniprot IDP04085
Protein RefSeqNP_002598.5
mRNA RefSeqNM_002607.5


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