{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T19:35:44Z","timestamp":1778873744672,"version":"3.51.4"},"reference-count":0,"publisher":"Portland Press Ltd.","issue":"1","content-domain":{"domain":["portlandpress.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[1981,4,1]]},"abstract":"<jats:p>The relationship between the haemagglutinin from the influenza virus A\/duck\/Ukraine\/1\/63 (Hav 7) and the human Hong Kong variants (H3) has been investigated. Amino-acid-sequence analysis shows that the Hav 7 haemagglutinin closely resembles the 1968 human H3 haemagglutinin in structure. However, the number of amino-acid-sequence differences (23) suggest that the Hong Kong haemagglutinin gene did not come directly from A\/duck\/Ukraine\/1\/63 but from a virus derived from it by antigenic drift during the period 1963-1968.<\/jats:p>","DOI":"10.1042\/bj1950337","type":"journal-article","created":{"date-parts":[[2015,8,10]],"date-time":"2015-08-10T20:27:43Z","timestamp":1439238463000},"page":"337-340","update-policy":"https:\/\/doi.org\/10.1042\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Evolution of the Hong Kong influenza A sub-type. Structural relationships between the haemagglutinin from A\/duck\/Ukraine\/1\/63 (Hav 7) and the Hong Kong (H3) haemagglutinins"],"prefix":"10.1042","volume":"195","author":[{"given":"C W","family":"Ward","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T A","family":"Dopheide","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"288","container-title":["Biochemical Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/portlandpress.com\/biochemj\/article-pdf\/195\/1\/337\/576550\/bj1950337.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/portlandpress.com\/biochemj\/article-pdf\/195\/1\/337\/576550\/bj1950337.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,11,25]],"date-time":"2021-11-25T12:12:53Z","timestamp":1637842373000},"score":1,"resource":{"primary":{"URL":"https:\/\/portlandpress.com\/biochemj\/article\/195\/1\/337\/6398\/Evolution-of-the-Hong-Kong-influenza-A-sub-type"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1981,4,1]]},"references-count":0,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1981,4,1]]}},"URL":"https:\/\/doi.org\/10.1042\/bj1950337","relation":{},"ISSN":["0264-6021"],"issn-type":[{"value":"0264-6021","type":"print"}],"subject":[],"published":{"date-parts":[[1981,4,1]]}}}