PMC:7795856 / 11380-11538 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T68","span":{"begin":0,"end":158},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Accordingly, this CEX step enabled separation of the desired N-acetylated Tα1-PAS from its non-acetylated precursor as a result of a single charge difference."}