Predicted to contribute to ubiquitin protein ligase activity. Acts upstream of or within positive regulation of T cell extravasation and positive regulation of gene expression. Part of mediator complex. Is expressed in several structures, including genitourinary system. Human ortholog(s) of this gene implicated in autosomal recessive non-syndromic intellectual disability. Orthologous to human MED23 (mediator complex subunit 23). [provided by Alliance of Genome Resources, Apr 2022]