PMC:7795856 / 6241-6390 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T40","span":{"begin":0,"end":149},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In each case, enzymatic or chemical cleavage is necessary to liberate the mature peptide, which complicates the biopharmaceutical downstream process."}