Ready-to-use ELISA kits are available for the detection of ferritin light chain 1, an alias of the protein, ferritin light chain. The official gene symbol is FTL. The protein has a mass of 20 kDa and length of 175 residues. It is a member of the Ferritin family and may be known by other names, including: LFTD, ferritin light polypeptide-like 3, ferritin L-chain, ferritin L subunit, and epididymis secretory sperm binding protein.