Cohesin Subunit SA-1

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

**Definition:** Cohesin subunit SA-1 (1258 aa, ~144 kDa) is encoded by the human STAG1 gene. This protein plays a role in the cohesion of sister chromatids.

**Synonyms:** - Nuclear Protein Stromal Antigen 1 - SCC3 Homolog 1 - STAG1 - Stromal Antigen 1