. . "Reactome DB_ID: 2173175"^^ . . . . . "COL28A1"^^ . "4-Hyp 5-Gal-Hyl-collagen alpha-1(XXVIII) chain"^^ . "4-hydroxyprolyl-collagen alpha-1(XXVIII) chain"^^ . "COSA1_HUMAN"^^ . . . . . .