Growth hormone-binding protein
![](/Images/godic/202501/16/Growth_Hormone_Receptor_Ectodomain_Shedding0017.png")
![Two growth hormone-binding proteins (blue, pink) in a two-to-one ratio with growth hormone (green). Source: PDB 1HWG](/Images/godic/202501/16/GHBP_in_2-1_ratio_with_GH0017.png")
![Growth-hormone binding protein (blue) in a one-to-one ratio with modified growth hormone (green). Source: PDB 1HWH](/Images/godic/202501/16/GHBP_in_1-1_ratio_with_GH0017.png")
Growth hormone-binding protein (GHBP) is a soluble carrier protein for growth hormone (GH). The function of GHBP is still unknown. Current research suggests that the protein is associated with regulation of the GH supply in the circulatory system as well as GH receptor function.