CORD-19:b75e7f3f923023185daed6f29e5beca4eddfc109 / 9280-9619 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T56","span":{"begin":0,"end":339},"obj":"Sentence"},{"id":"T83915","span":{"begin":0,"end":339},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The retention of cleaved GP1 with purified GP2 suggests that viral GP remained in the prefusion conformation during the purification process since GP1 and GP2 interact with each other through unstable noncovalent interactions, and irreversible conformation changes during the membrane fusion process lead to their disassociation (20, 25) ."}