{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,23]],"date-time":"2026-02-23T01:05:07Z","timestamp":1771808707035,"version":"3.50.1"},"reference-count":54,"publisher":"American Society for Microbiology","issue":"2","license":[{"start":{"date-parts":[[2011,1,15]],"date-time":"2011-01-15T00:00:00Z","timestamp":1295049600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2011,1,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Nisin A is a pentacyclic peptide antibiotic produced by\n            <jats:italic>Lactococcus lactis<\/jats:italic>\n            . The leader peptide of prenisin keeps nisin inactive and has a role in inducing NisB- and NisC-catalyzed modifications of the propeptide and NisT-mediated export. The highly specific NisP cleaves off the leader peptide from fully modified and exported prenisin. We present here a detailed mutagenesis analysis of the nisin leader peptide. For alternative cleavage, we successfully introduced a putative NisP autocleavage site and sites for thrombin, enterokinase, Glu-C, and factor Xa in the C-terminal part of the leader peptide. Replacing residue F-18 with Trp or Thr strongly reduced production. On the other hand, D-19A, F-18H, F-18M, L-16D, L-16K, and L-16A enhanced production. Substitutions within and outside the FNLD box enhanced or reduced the transport efficiency. None of the above substitutions nor even an internal 6His tag from positions \u221213 to \u22128 had any effect on the capacity of the leader peptide to induce NisB and NisC modifications. Therefore, these data demonstrate a large mutational freedom. However, simultaneous replacement of the FNLD amino acids by four alanines strongly reduced export and even led to a complete loss of the capacity to induce modifications. Reducing the leader peptide to MSTKDFNLDLR led to 3- or 4-fold dehydration. Taken together, the FNLD box is crucial for inducing posttranslational modifications.\n          <\/jats:p>","DOI":"10.1128\/aem.01503-10","type":"journal-article","created":{"date-parts":[[2010,11,20]],"date-time":"2010-11-20T03:44:11Z","timestamp":1290224651000},"page":"604-611","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":89,"title":["Requirements of the Engineered Leader Peptide of Nisin for Inducing Modification, Export, and Cleavage"],"prefix":"10.1128","volume":"77","author":[{"given":"Annechien","family":"Plat","sequence":"first","affiliation":[{"name":"BiOMaDe Technology Foundation, Nijenborgh 4, 9747 AG Groningen, Netherlands"}]},{"given":"Leon D.","family":"Kluskens","sequence":"additional","affiliation":[{"name":"BiOMaDe Technology Foundation, Nijenborgh 4, 9747 AG Groningen, Netherlands"}]},{"given":"Anneke","family":"Kuipers","sequence":"additional","affiliation":[{"name":"BiOMaDe Technology Foundation, Nijenborgh 4, 9747 AG Groningen, Netherlands"}]},{"given":"Rick","family":"Rink","sequence":"additional","affiliation":[{"name":"BiOMaDe Technology Foundation, Nijenborgh 4, 9747 AG Groningen, Netherlands"}]},{"given":"Gert N.","family":"Moll","sequence":"additional","affiliation":[{"name":"BiOMaDe Technology Foundation, Nijenborgh 4, 9747 AG Groningen, Netherlands"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.chembiol.2006.08.015"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr030105v"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1574-6968.2001.tb10511.x"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1128\/AEM.01862-07"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.peptides.2010.02.015"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1021\/bi800278n"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2672.1999.00937.x"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1128\/jb.176.23.7335-7344.1994"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00747a073"},{"key":"e_1_3_3_11_2","first-page":"810","volume":"354","year":"1973","unstructured":"Gross, E., H. 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