Human glucocorticoid-induced TNF-related ligand (GITRL), also known as AITRL, CD357L, or tumor necrosis factor ligand superfamily member 18 (TNFSF18). GenBank Accession No. NM_005092, a.a. 72-199 with an N-terminal His-tag, expressed in a HEK293 cell expression system. MW = 17.1 kDa. Note: this protein runs at a higher MW by SDSPAGE due to glycosylation.