Immunoglobulin Superfamily Member 1

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

**Definition:** Immunoglobulin superfamily member 1 (1336 aa, ~149 kDa) is encoded by the human IGSF1 gene. This protein plays a role in binding to inhibins and the regulation of activin receptor signaling.

**Synonyms:** - IGSF1 - IgSF1 - Immunoglobulin-Like Domain-Containing Protein 1 - InhBP - Inhibin-Binding Protein - Pituitary Gland-Specific Factor 2 - p120