GID complex subunit 4 homolog (GID4, also known as C17orf39) is a gene that encodes a protein that is thought to be a subunit of the Mediator complex, a coactivator of RNA polymerase II. Missense mutations, synonymous mutations, nonsense mutations, and frameshift insertions are observed in cancers such as endometrial cancer, colon cancer, and skin cancer.

Modified: January 7, 2016

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