Fibrinogen alpha chain (FGA) protein (UniProt ID P02671) is important for blood clot formation. FGA is needed to stop excessive bleeding after injury. Synthetic FGA sialylated glycopeptide fragment (Asp605-Val629; aa length 25). Sialyl Tn (Neu5Acα2-6GalNAcα) at position Ser609. The C-terminus is carboxylic acid.
