Fusion protein amino acids 37-113 (LRRNT domain and first LRR repeat) of mouse Lgi1 (also known as Leucine-rich glioma-inactivated protein 1, Epitempin-1, EPT and UNQ775/PRO1569, accession number Q9JIA1) Rat: 100% identity (77/77 amino acids identical) Human: 98% identity (76/77 amino acids identical) ~50% identity with Lgi2, Lgi3 and Lgi4