Mediator of DNA Damage Checkpoint Protein 1

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Mediator of DNA damage checkpoint protein 1 (2089 aa, ~227 kDa) is encoded by the human MDC1 gene. This protein plays a role in checkpoint mediated cell cycle arrest.

**Synonyms:** - Homolog to Drosophila Photoreceptor Protein Calphotin - MDC1 - Mediator of DNA Damage Checkpoint 1 - Nuclear Factor with BRCT Domains 1