Granulocyte-macrophage colony-stimulating factor
| Granulocyte-macrophage colony-stimulating factor | |||||||||
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| three-dimensional structure of recombinant human granulocyte-macrophage colony-stimulating factor (rhGM_CSF) | |||||||||
| Identifiers | |||||||||
| Symbol | GM_CSF | ||||||||
| Pfam | PF01109 | ||||||||
| Pfam clan | CL0053 | ||||||||
| InterPro | IPR000773 | ||||||||
| PROSITE | PDOC00584 | ||||||||
| SCOP2 | 2gmf / SCOPe / SUPFAM | ||||||||
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| Clinical data | |
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| CAS Number | |
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| ChemSpider | 
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| Chemical and physical data | |
| Formula | C639H1006N168O196S8 | 
| Molar mass | 14434.54 g·mol−1 | 
| (what is this?) (verify) | |
Granulocyte-macrophage colony-stimulating factor (GM-CSF), also known as colony-stimulating factor 2 (CSF2), is a monomeric glycoprotein secreted by macrophages, T cells, mast cells, natural killer cells, endothelial cells and fibroblasts that functions as a cytokine. The pharmaceutical analogs of naturally occurring GM-CSF are called sargramostim and molgramostim.
Unlike granulocyte colony-stimulating factor, which specifically promotes neutrophil proliferation and maturation, GM-CSF affects more cell types, especially macrophages and eosinophils.