{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T10:03:38Z","timestamp":1772791418051,"version":"3.50.1"},"reference-count":48,"publisher":"Elsevier BV","issue":"32","license":[{"start":{"date-parts":[[1993,11,1]],"date-time":"1993-11-01T00:00:00Z","timestamp":752112000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[1993,11,1]],"date-time":"1993-11-01T00:00:00Z","timestamp":752112000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2020,9,28]],"date-time":"2020-09-28T00:00:00Z","timestamp":1601251200000},"content-version":"vor","delay-in-days":9828,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["jbc.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of Biological Chemistry"],"published-print":{"date-parts":[[1993,11]]},"DOI":"10.1016\/s0021-9258(20)80551-1","type":"journal-article","created":{"date-parts":[[2021,1,7]],"date-time":"2021-01-07T06:54:24Z","timestamp":1610002464000},"page":"24481-24490","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":212,"title":["Escherichia coli topoisomerase IV. Purification, characterization, subunit structure, and subunit interactions."],"prefix":"10.1016","volume":"268","author":[{"given":"H","family":"Peng","sequence":"first","affiliation":[]},{"given":"K.J.","family":"Marians","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/S0021-9258(20)80551-1_bib1","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1016\/0092-8674(82)90402-0","volume":"31","author":"Pruss","year":"1982","journal-title":"Cell"},{"key":"10.1016\/S0021-9258(20)80551-1_bib2","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/0092-8674(82)90403-2","volume":"31","author":"DiNardo","year":"1982","journal-title":"Cell"},{"key":"10.1016\/S0021-9258(20)80551-1_bib3","doi-asserted-by":"crossref","first-page":"1173","DOI":"10.1128\/jb.162.3.1173-1179.1985","volume":"162","author":"Raji","year":"1985","journal-title":"J. Bacteriol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib4","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1016\/0092-8674(90)90172-B","volume":"63","author":"Kato","year":"1990","journal-title":"Cell"},{"key":"10.1016\/S0021-9258(20)80551-1_bib5","doi-asserted-by":"crossref","first-page":"25676","DOI":"10.1016\/S0021-9258(18)35660-6","volume":"267","author":"Kato","year":"1992","journal-title":"J. Biol. Chem."},{"key":"10.1016\/S0021-9258(20)80551-1_bib6","doi-asserted-by":"crossref","first-page":"13366","DOI":"10.1016\/S0021-9258(18)37713-5","volume":"263","author":"DiGate","year":"1988","journal-title":"J. Biol. Chem."},{"key":"10.1016\/S0021-9258(20)80551-1_bib7","doi-asserted-by":"crossref","first-page":"4542","DOI":"10.1128\/jb.170.10.4542-4547.1988","volume":"170","author":"Saporito","year":"1988","journal-title":"J. Bacterial"},{"key":"10.1016\/S0021-9258(20)80551-1_bib8","doi-asserted-by":"crossref","first-page":"5168","DOI":"10.1128\/jb.174.15.5168-5170.1992","volume":"174","author":"Schofield","year":"1992","journal-title":"J. Bacteriol"},{"key":"10.1016\/S0021-9258(20)80551-1_bib9","doi-asserted-by":"crossref","first-page":"20532","DOI":"10.1016\/S0021-9258(19)36714-6","volume":"267","author":"DiGate","year":"1992","journal-title":"J. Biol. Chem."},{"key":"10.1016\/S0021-9258(20)80551-1_bib10","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1128\/jb.142.1.153-161.1980","volume":"142","author":"Fairweather","year":"1980","journal-title":"J. Bacteriol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib11","doi-asserted-by":"crossref","first-page":"301","DOI":"10.1007\/BF00267443","volume":"177","author":"Filutowicz","year":"1980","journal-title":"Mol. & Gen. Genet."},{"key":"10.1016\/S0021-9258(20)80551-1_bib12","doi-asserted-by":"crossref","first-page":"282","DOI":"10.1007\/BF00334827","volume":"191","author":"Filutowicz","year":"1982","journal-title":"Mol. & Gen. Genet."},{"key":"10.1016\/S0021-9258(20)80551-1_bib13","doi-asserted-by":"crossref","first-page":"424","DOI":"10.1128\/jb.140.2.424-435.1979","volume":"140","author":"Kreuzer","year":"1979","journal-title":"J. Bacteriol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib14","doi-asserted-by":"crossref","first-page":"1081","DOI":"10.1016\/0092-8674(84)90058-8","volume":"36","author":"Steck","year":"1984","journal-title":"Cell"},{"key":"10.1016\/S0021-9258(20)80551-1_bib15","doi-asserted-by":"crossref","first-page":"178","DOI":"10.1007\/BF00330959","volume":"217","author":"Kato","year":"1989","journal-title":"Mol. & Gen. Genet."},{"key":"10.1016\/S0021-9258(20)80551-1_bib16","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1111\/j.1365-2958.1987.tb00529.x","volume":"1","author":"Hussain","year":"1987","journal-title":"Mol. Microbiol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib17","doi-asserted-by":"crossref","first-page":"259","DOI":"10.1111\/j.1365-2958.1987.tb01932.x","volume":"1","author":"Hussain","year":"1987","journal-title":"Mol. Microbiol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib18","doi-asserted-by":"crossref","first-page":"3967","DOI":"10.1128\/jb.170.9.3967-3977.1988","volume":"170","author":"Kato","year":"1988","journal-title":"J. Bacteriol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib19","doi-asserted-by":"crossref","first-page":"5416","DOI":"10.1128\/jb.172.9.5416-5424.1990","volume":"172","author":"Schmid","year":"1990","journal-title":"J. Bacteriol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib20","first-page":"687","volume":"3","author":"Luttinger","year":"1991","journal-title":"New Biol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib21","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1016\/0092-8674(92)90356-H","volume":"71","author":"Adams","year":"1992","journal-title":"Cell"},{"key":"10.1016\/S0021-9258(20)80551-1_bib22","doi-asserted-by":"crossref","first-page":"495","DOI":"10.1016\/0092-8674(87)90503-4","volume":"50","author":"Kohara","year":"1987","journal-title":"Cell"},{"key":"10.1016\/S0021-9258(20)80551-1_bib23","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1016\/0076-6879(90)85008-C","volume":"185","author":"Studier","year":"1990","journal-title":"Methods Enzymol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib24","doi-asserted-by":"crossref","first-page":"459","DOI":"10.1016\/0092-8674(88)90032-3","volume":"55","author":"Hill","year":"1988","journal-title":"Cell"},{"key":"10.1016\/S0021-9258(20)80551-1_bib25","doi-asserted-by":"crossref","first-page":"1805","DOI":"10.1093\/nar\/21.8.1805","volume":"21","author":"Springer","year":"1993","journal-title":"Nucleic Acids Res."},{"key":"10.1016\/S0021-9258(20)80551-1_bib26","doi-asserted-by":"crossref","first-page":"680","DOI":"10.1038\/227680a0","volume":"227","author":"Laemmli","year":"1970","journal-title":"Nature"},{"key":"10.1016\/S0021-9258(20)80551-1_bib27","doi-asserted-by":"crossref","first-page":"4772","DOI":"10.1073\/pnas.74.11.4772","volume":"74","author":"Gellert","year":"1977","journal-title":"Proc. Natl. Acad. Sci. U. S. A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib28","doi-asserted-by":"crossref","first-page":"4767","DOI":"10.1073\/pnas.74.11.4767","volume":"74","author":"Sugino","year":"1977","journal-title":"Proc. Natl. Acad. Sci. U. S. A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib29","doi-asserted-by":"crossref","first-page":"4474","DOI":"10.1073\/pnas.73.12.4474","volume":"73","author":"Gellert","year":"1976","journal-title":"Proc. Natl. Acad. Sci. U. S. A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib30","first-page":"4767","volume":"74","author":"Shen","year":"1985","journal-title":"Proc. Natl. Acad. Sci. U. S. A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib31","doi-asserted-by":"crossref","first-page":"4838","DOI":"10.1073\/pnas.75.10.4838","volume":"75","author":"Sugino","year":"1978","journal-title":"Proc. Natl. Acad. Sci. U. S. A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib32","doi-asserted-by":"crossref","first-page":"1773","DOI":"10.1073\/pnas.75.4.1773","volume":"75","author":"Higgins","year":"1978","journal-title":"Proc. Natl. Acad. Sci. U. S. A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib33","doi-asserted-by":"crossref","first-page":"2883","DOI":"10.1073\/pnas.78.5.2883","volume":"78","author":"Been","year":"1981","journal-title":"Proc. Natl. Acad. Sci. U.S.A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib34","doi-asserted-by":"crossref","first-page":"346","DOI":"10.1016\/0926-6585(66)90333-5","volume":"112","author":"Siegel","year":"1966","journal-title":"Biochim. Biophys. Acta"},{"key":"10.1016\/S0021-9258(20)80551-1_bib35","series-title":"Proteins, Amino Acids and Peptides","author":"Cohn","year":"1943"},{"key":"10.1016\/S0021-9258(20)80551-1_bib36","doi-asserted-by":"crossref","first-page":"5229","DOI":"10.1021\/bi00564a012","volume":"19","author":"Klevan","year":"1980","journal-title":"Biochemistry"},{"key":"10.1016\/S0021-9258(20)80551-1_bib37","doi-asserted-by":"crossref","first-page":"3589","DOI":"10.1093\/nar\/9.15.3589","volume":"9","author":"Staudenbauer","year":"1981","journal-title":"Nucleic Acids Res."},{"key":"10.1016\/S0021-9258(20)80551-1_bib38","doi-asserted-by":"crossref","first-page":"14472","DOI":"10.1016\/S0021-9258(17)42623-8","volume":"259","author":"Maxwell","year":"1984","journal-title":"J. Biol. Chem."},{"key":"10.1016\/S0021-9258(20)80551-1_bib39","doi-asserted-by":"crossref","first-page":"10362","DOI":"10.1016\/S0021-9258(18)61121-4","volume":"262","author":"Marians","year":"1987","journal-title":"J. Biol. Chem."},{"key":"10.1016\/S0021-9258(20)80551-1_bib40","doi-asserted-by":"crossref","first-page":"6389","DOI":"10.1093\/nar\/12.16.6389","volume":"12","author":"Adachi","year":"1984","journal-title":"Nucleic Acids Res."},{"key":"10.1016\/S0021-9258(20)80551-1_bib41","doi-asserted-by":"crossref","first-page":"6110","DOI":"10.1073\/pnas.76.12.6110","volume":"76","author":"Brown","year":"1979","journal-title":"Proc. Natl. Acad. Sci. U. S. A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib42","doi-asserted-by":"crossref","first-page":"6289","DOI":"10.1073\/pnas.76.12.6289","volume":"76","author":"Gellert","year":"1979","journal-title":"Proc. Natl. Acad. Sci. V. S. A."},{"key":"10.1016\/S0021-9258(20)80551-1_bib43","doi-asserted-by":"crossref","first-page":"3769","DOI":"10.1021\/bi00662a020","volume":"15","author":"Ryan","year":"1976","journal-title":"Biochemistry"},{"key":"10.1016\/S0021-9258(20)80551-1_bib44","doi-asserted-by":"crossref","first-page":"1068","DOI":"10.1128\/jb.89.4.1068-1074.1965","volume":"89","author":"Goss","year":"1965","journal-title":"J. Bacteriol."},{"key":"10.1016\/S0021-9258(20)80551-1_bib45","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1111\/j.1432-1033.1976.tb10183.x","volume":"62","author":"Staudenbauer","year":"1976","journal-title":"Eur. J. Biochem."},{"key":"10.1016\/S0021-9258(20)80551-1_bib46","doi-asserted-by":"crossref","first-page":"409","DOI":"10.1093\/jac\/30.4.409","volume":"30","author":"Maxwell","year":"1992","journal-title":"J. Antimicrob. Chemother."},{"key":"10.1016\/S0021-9258(20)80551-1_bib47","series-title":"Escherichia coli and Salmonella typhimurium","first-page":"1595","author":"Helmstetter","year":"1987"},{"key":"10.1016\/S0021-9258(20)80551-1_bib48","author":"Peng","year":"1993","journal-title":"Proc. Natl. Acad. Sci. U. S. A."}],"container-title":["Journal of Biological Chemistry"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0021925820805511?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0021925820805511?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,18]],"date-time":"2025-09-18T23:51:04Z","timestamp":1758239464000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0021925820805511"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1993,11]]},"references-count":48,"journal-issue":{"issue":"32","published-print":{"date-parts":[[1993,11]]}},"alternative-id":["S0021925820805511"],"URL":"https:\/\/doi.org\/10.1016\/s0021-9258(20)80551-1","relation":{},"ISSN":["0021-9258"],"issn-type":[{"value":"0021-9258","type":"print"}],"subject":[],"published":{"date-parts":[[1993,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Escherichia coli topoisomerase IV. Purification, characterization, subunit structure, and subunit interactions.","name":"articletitle","label":"Article Title"},{"value":"Journal of Biological Chemistry","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/S0021-9258(20)80551-1","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 1993 ASBMB. Currently published by Elsevier Inc; originally published by American Society for Biochemistry and Molecular Biology.","name":"copyright","label":"Copyright"}]}}