Pulmonary Surfactant-Associated Protein A1

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

**Definition:** Pulmonary surfactant-associated protein A1 (248 aa, ~26 kDa) is encoded by the human SFTPA1 gene. This protein is involved in pulmonary surfactant activity.

**Synonyms:** - 35 kDa Pulmonary Surfactant-Associated Protein - Alveolar Proteinosis Protein - Collectin 4 - Collectin-4 - PSP-A - PSPA - Pulmonary Surfactant Apoprotein PSP-A - SFTPA1 - SP-A - SP-A1 - Surfactant Protein A1