Induces activation of MAPK14/p38 cascade, when overexpressed (PubMed:28688764). Induces apoptosis, when overexpressed (PubMed:19969290). {ECO:0000269|PubMed:19969290, ECO:0000269|PubMed:28688764}. This is the function of Ensembl gene identifier ENSG00000164620 (RELL2, RELT like 2).