A subtype present in the N-terminal region of the amyloid precursor protein is a member of the heparin-binding class of GFLDs and may itself have growth factor function, particularly in promoting neuronal development.
There is a specific subtype found in the N-terminal region of the amyloid precursor protein that belongs to the heparin-binding class of growth factor-like molecules and may have growth-promoting effects, particularly in facilitating neural growth and development.