PMC:7795856 / 672-820 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":15,"end":130},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"at high yield. ESI-MS analysis of the purified fusion protein indicated the expected composition without any signs of proteolysis. SEC analysis reve"}