Collagen Alpha-3(IV) Chain

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor

**Definition:** Collagen alpha-3(IV) chain (1670 aa, ~162 kDa) is encoded by the human COL4A3 gene. This protein plays a role in the formation of basement membranes.

**Synonyms:** - Alpha 3 Type IV Collagen Precursor - COL4A3 - COL4A3 Protein - Collagen IV (Alpha 3) - Collagen IV, Alpha-3 Polypeptide - Collagen of Basement Membrane, Alpha-3 Chain - Collagen, Type IV, Alpha 3 (Goodpasture Antigen) - Goodpasture Antigen