PMC:7755033 / 61985-62018
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T569","span":{"begin":30,"end":32},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"90, Asn142, Leu141, Phe140 \n2. "}