CORD-19:0015023cc06b5362d332b3baf348d11567ca2fbb / 4158-4292 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T40","span":{"begin":0,"end":134},"obj":"Sentence"},{"id":"TextSentencer_T40","span":{"begin":0,"end":134},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"PKs 3 and 4 were removed by digestion with HindIII and AatII 123 before insertion of a synthetic DNA sequence with PK 3 and 4 deleted."}