PMC:7605337 / 40015-40106 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T272","span":{"begin":0,"end":91},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This residue locates at the end of L4 loop near two other important residues Q498 and T500."}