AP-4 Complex Subunit Sigma-1

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

**Definition:** AP-4 complex subunit sigma-1 (144 aa, ~17 kDa) is encoded by the human AP4S1 gene. This protein is involved in the regulation of coated vesicle formation and transport.

**Synonyms:** - AP-4 Adapter Complex Subunit Sigma-1 - AP-4 Adaptor Complex Subunit Sigma-1 - AP4S1 - Adaptor Related Protein Complex 4 Sigma 1 Subunit - Adaptor Related Protein Complex 4 Subunit Sigma 1 - Adaptor-Related Protein Complex 4 Subunit Sigma-1 - Sigma-1 Subunit of AP-4 - Sigma-4-Adaptin - Sigma4-Adaptin