Definition: A gel-forming mucin that is predominantly expressed by submucosal glands of airway tissues and the SUBLINGUAL GLAND. It is one of the principal components of high molecular weight salivary mucin.
Other names Mucin 5B; Mucin 5 Subtype B, Tracheobronchial; Mucin-5 Subtype B, Tracheobronchial; High Molecular Weight Salivary Mucin MG1