Automated description from the Alliance of Genome Resources (Release 7.1.0)
Predicted to enable nuclear thyroid hormone receptor binding activity and transcription coactivator activity. Predicted to be involved in positive regulation of transcription initiation by RNA polymerase II and transcription by RNA polymerase II. Part of mediator complex. Is expressed in 1st branchial arch; genitourinary system; limb; and trunk somite. Orthologous to human MED4 (mediator complex subunit 4).