{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T15:49:05Z","timestamp":1762271345952},"reference-count":6,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[1964,3,1]],"date-time":"1964-03-01T00:00:00Z","timestamp":-184204800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Molecular Biology"],"published-print":{"date-parts":[[1964,3]]},"DOI":"10.1016\/s0022-2836(64)80206-0","type":"journal-article","created":{"date-parts":[[2009,5,14]],"date-time":"2009-05-14T08:36:00Z","timestamp":1242290160000},"page":"427-430","source":"Crossref","is-referenced-by-count":97,"title":["A deletion analysis of the lac operator region in Escherichia coli"],"prefix":"10.1016","volume":"8","author":[{"given":"Jonathan R.","family":"Beckwith","sequence":"first","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/S0022-2836(64)80206-0_bib1","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1016\/S0022-2836(63)80016-9","volume":"7","author":"Ames","year":"1963","journal-title":"J. Mol. Biol."},{"key":"10.1016\/S0022-2836(64)80206-0_bib2","doi-asserted-by":"crossref","first-page":"162","DOI":"10.1016\/0926-6550(63)90026-4","volume":"76","author":"Beckwith","year":"1963","journal-title":"Biochim. biophys. Acta"},{"key":"10.1016\/S0022-2836(64)80206-0_bib3","series-title":"Structure and Function of the Genetic Material","author":"Beckwith","year":"1964"},{"key":"10.1016\/S0022-2836(64)80206-0_bib4","doi-asserted-by":"crossref","first-page":"299","DOI":"10.1016\/0042-6822(61)90362-2","volume":"15","author":"Franklin","year":"1961","journal-title":"Virology"},{"key":"10.1016\/S0022-2836(64)80206-0_bib5","first-page":"193","volume":"26","author":"Jacob","year":"1961"},{"key":"10.1016\/S0022-2836(64)80206-0_bib6","series-title":"Sexuality and the Genetics of Bacteria","author":"Jacob","year":"1961"}],"container-title":["Journal of Molecular Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022283664802060?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022283664802060?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2018,12,19]],"date-time":"2018-12-19T23:55:39Z","timestamp":1545263739000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022283664802060"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1964,3]]},"references-count":6,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1964,3]]}},"alternative-id":["S0022283664802060"],"URL":"https:\/\/doi.org\/10.1016\/s0022-2836(64)80206-0","relation":{},"ISSN":["0022-2836"],"issn-type":[{"value":"0022-2836","type":"print"}],"subject":[],"published":{"date-parts":[[1964,3]]}}}