0 3 0 http://purl.obolibrary.org/obo/VariO_0363 effect on RNA G-quadruplex 'effect on RNA G-quadruplex' SubClassOf 'variation to RNA secondary structure' http://purl.obolibrary.org/obo/VariO_0343 synonymous variation 'synonymous variation' SubClassOf 'variation attribute' http://purl.obolibrary.org/obo/VariO_0017 nonsynonymous variation 'nonsynonymous variation' SubClassOf 'variation attribute'