Predicted to enable thyroid hormone receptor binding activity and transcription coactivator activity. Predicted to contribute to ubiquitin protein ligase activity. Acts upstream of or within stem cell population maintenance. Part of mediator complex. Is expressed in several structures, including branchial arch; central nervous system; limb; limb bud; and trunk somite. Orthologous to human MED30 (mediator complex subunit 30). [provided by Alliance of Genome Resources, Apr 2022]