defense response, cell adhesion, biological adhesion,
[Isoform 2]: Secreted .; Cell membrane ; Single-pass type I membrane protein .
One or several isoforms have been found in myelogenous leukemia cell line KG-1, leukemia U-937 cell line, in bone marrow cells, placenta, and peripheral blood granulocytes. Isoform GCSFR-2 is found only in leukemia U-937 cells. Isoform GCSFR-3 is highly expressed in placenta.