PubMed:809436 / 641-825 JSONTXT

{"project":"sentences","denotations":[{"id":"T7","span":{"begin":0,"end":184},"obj":"Sentence"},{"id":"T7","span":{"begin":0,"end":184},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The beta2 dimer (= protein B2) was purified by selective desorption with 1 M guanidine HCl from a dATP-Sepharose affinity column containing adsorbed native T4 ribonucleotide reductase."}