assertion retraction graph subject predicate object datatype annotation 1 0 graph ONTIE:0002801 OBI:9991118 Collagen alpha-1(II) chain xsd:string 1 0 graph ONTIE:0002405 OBI:9991118 Collagen alpha-1(II) chain xsd:string 1 0 graph ONTIE:0002403 OBI:9991118 Collagen alpha-1(II) chain xsd:string 1 0 graph ONTIE:0002470 OBI:9991118 Collagen alpha-1(II) chain xsd:string