PMC:7556165 / 39431-39621 JSONTXT

{"project":"LitCovid-sample-PD-GO-BP-0","denotations":[{"id":"T92","span":{"begin":108,"end":122},"obj":"http://purl.obolibrary.org/obo/GO_0020012"},{"id":"T93","span":{"begin":108,"end":122},"obj":"http://purl.obolibrary.org/obo/GO_0051805"}],"text":"ng-up (“open”) position for receptor binding and a lying-down (“closed”) configuration, the latter allowing immune evasion (Figure 6; Song et al., 2018; Wrapp et al., 2020). Yet only one of "}

{"project":"LitCovid-sample-GO-BP","denotations":[{"id":"T95","span":{"begin":108,"end":122},"obj":"http://purl.obolibrary.org/obo/GO_0042783"}],"text":"ng-up (“open”) position for receptor binding and a lying-down (“closed”) configuration, the latter allowing immune evasion (Figure 6; Song et al., 2018; Wrapp et al., 2020). Yet only one of "}