金山科研平台，产品价格货期咨询微信：jinshanbio Molecule Information: F-Spondin/SPON1 Aliases: SPON1; VSGP Entrez Gene IDs: 10418 (Human); 233744 (Mouse); 64456 (Rat) Background: F-Spondin F-Spondin is a secreted protein expressed at high levels in the embryonic floor plate. The ECM-attached protein plays a dual role in patterning the nervous system; it promotes outgrowth of commissural axons and inhibits outgrowth of motor axons. F-Spondin contains six thrombospondin repeats which interact with the apolipoprotein E receptor.