生物活性: Efbemalenograstim alfa (F 627) is a recombinant fusion protein. Efbemalenograstim alfa is a long acting dimeric granulocyte colony-stimulating factor (G-CSF) that contains two human G-CSF fused to a human immunoglobulin G2 (hIgG2)-Fc fragment with a peptide linker. Efbemalenograstim alfa induces the production of white blood cells.