Ready-to-use ELISA kits are available for the detection of lymphoblastomic leukemia 1, an alias of the protein, LYL1 basic helix-loop-helix family member. The official gene symbol is LYL1. The protein, with a mass of 29.9 kDa and length of 280 residues, is reported to be nuclear. It may be known by other names, including: lymphoblastic leukemia derived sequence 1, lymphoblastic leukemia associated hematopoiesis regulator 1, class A basic helix-loop-helix protein 18, and protein lyl-1.