Platelet Membrane Glycoprotein 1b Alpha Chain

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

**Definition:** Platelet glycoprotein Ib alpha chain (652 aa, ~72 kDa) is encoded by the human GP1BA gene. This protein plays a role in von Willebrand factor binding.

**Synonyms:** - Antigen CD42b-Alpha - CD42b Antigen - CD42b-Alpha - GP-Ib Alpha - GPIb-Alpha - GPIbA - Glycoprotein Ibalpha - Platelet Membrane Glycoprotein 1b-Alpha Subunit