. . "Reactome DB_ID: 2173272"^^ . . . . . "COL20A1"^^ . "3,4-Hyp Glu-Gal-Hyl-collagen alpha-1(XX) chain"^^ . "COKA1_HUMAN"^^ . "3,4-hydroxyprolyl-collagen alpha-1(XX) chain"^^ . . . . . . .