peptide metabolic process, cellular amino acid derivative metabolic process, coenzyme metabolic process, glutathione metabolic process, glutathione biosynthetic process, sulfur metabolic process, coenzyme biosynthetic process, cellular amino acid derivative biosynthetic process, peptide biosynthetic process, sulfur compound biosynthetic process,cofactor metabolic process, cofactor biosynthetic process,
Membrane ; Single-pass type II membrane protein .
Widely expressed, but at low level, except in the airway epithelial cells. Detected in brain, heart, kidney, liver, lung, spleen, testis and trachea.