Complement Decay-Accelerating Factor

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

**Definition:** Complement decay-accelerating factor (381 aa, ~41 kDa) is encoded by the human CD55 gene. This protein plays a role in the negative regulation of the complement cascade.

**Synonyms:** - CD Antigen CD55 - CD55 - CD55 Antigen - CD55 Protein - DAF - Decay Accelerating Factor - Decay-Accelerating Factor - Decay-Accelerating Factor for Complement