ELISA kits for the study of the target, ECL are available in ready-to-use formats. The protein is also known as C-C motif chemokine ligand 21 or CCL21. It is a 134-residue protein with a secreted localization. Other alias names for this target include: 6Ckine, chemokine (C-C motif) ligand 21, beta chemokine exodus-2, Efficient Chemoattractant for Lymphocytes, and C-C motif chemokine 21, and ECL.