Complement C1r Subcomponent

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

**Definition:** Complement C1r subcomponent (705 aa, ~80 kDa) is encoded by the human C1R gene. This protein is involved in the proteolytic activation of complement C1s subcomponent.

**Synonyms:** - C1R - Complement C1r - Complement Component 1 Subcomponent R - EC 3.4.21.41