SCGF-α and -β are hematopoietic growth factors that exert their activity at early stages of hematopoiesis. The SCGFs are non-glycosylated species-specific cytokines that can support growth of primitive hematopoietic cells, and, in combination with EPO or GM-CSF, promote proliferation of erythroid or myeloid progenitors, respectively. Recombinant Human SCGF-β is a 25.0 kDa polypeptide containing 227 amino acid residues.
Source: E.coli
Synonyms: Stem Cell Growth Factor-β
AA Sequence: MGHGARGAER EWEGGWGGAQ EEEREREALM LKHLQEALGL PAGRGDENPA GTVEGKEDWE MEEDQGEEEE EEATPTPSSG PSPSPTPEDI VTYILGRLAG LDAGLHQLHV RLHALDTRVV ELTQGLRQLR NAAGDTRDAV QALQEAQGRA EREHGRLEGC LKGLRLGHKC FLLSRDFEAQ PSASPHPLSP DQPNGGTLEN CVAQASDDGS WWDHDCQRRL YYVCEFPF
Purity: ≥ 98% by SDS-PAGE gel and HPLC analyses.
Biological Activity: Determined by the dose-dependent stimulation of the proliferation of TF-1 cells previously grown in media containing GM-CSF. The ED50 for this effect was observed at ≤ 7 ng/ml.
Calculated Molecular Weight: 25 kDa
Accession Number: Q9Y240
Gene ID: 6320
Endotoxin: Endotoxin level is < 0.1 ng/ug of protein (< 1 EU/ug)
Cross Reactivity Cited in References:
Human
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