. . "Reactome DB_ID: 2173259"^^ . . . . . "COL28A1"^^ . "COSA1_HUMAN"^^ . "3,4-hydroxyprolyl-collagen alpha-1(XXVIII) chain"^^ . "3,4-Hyp Glu-Gal-Hyl-collagen alpha-1(XXVIII) chain"^^ . . . . . . . . .