{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,4,12]],"date-time":"2025-04-12T04:07:16Z","timestamp":1744430836827,"version":"3.40.4"},"reference-count":7,"publisher":"Springer Science and Business Media LLC","issue":"5194","license":[{"start":{"date-parts":[[1969,5,17]],"date-time":"1969-05-17T00:00:00Z","timestamp":-19785600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[1969,5,17]],"date-time":"1969-05-17T00:00:00Z","timestamp":-19785600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nature"],"published-print":{"date-parts":[[1969,5,17]]},"DOI":"10.1038\/222668a0","type":"journal-article","created":{"date-parts":[[2006,7,6]],"date-time":"2006-07-06T12:13:18Z","timestamp":1152187998000},"page":"668-668","source":"Crossref","is-referenced-by-count":15,"title":["\u03b5-N-Methyl Lysine: an Additional Amino-acid in Human Plasma"],"prefix":"10.1038","volume":"222","author":[{"given":"T. L.","family":"PERRY","sequence":"first","affiliation":[]},{"given":"S.","family":"DIAMOND","sequence":"additional","affiliation":[]},{"given":"S.","family":"HANSEN","sequence":"additional","affiliation":[]}],"member":"297","reference":[{"key":"BF222668a0_CR1","doi-asserted-by":"publisher","first-page":"460","DOI":"10.1016\/0021-9673(68)85074-5","volume":"38","author":"TL Perry","year":"1968","unstructured":"Perry, T. L., Stedman, D., and Hansen, S., J. Chromatog., 38, 460 (1968).","journal-title":"J. Chromatog."},{"key":"BF222668a0_CR2","doi-asserted-by":"crossref","first-page":"208","DOI":"10.1016\/S0021-9258(18)81387-4","volume":"237","author":"Y Kakimoto","year":"1962","unstructured":"Kakimoto, Y., and Armstrong, M. D., J. Biol. Chem., 237, 208 (1962).","journal-title":"J. Biol. Chem."},{"key":"BF222668a0_CR3","doi-asserted-by":"publisher","first-page":"2203","DOI":"10.1002\/hlca.19480310742","volume":"31","author":"PA Plattner","year":"1948","unstructured":"Plattner, P. A., and Nager, U., Helv. Chim. Acta, 31, 2203 (1948).","journal-title":"Helv. Chim. Acta"},{"key":"BF222668a0_CR4","doi-asserted-by":"publisher","first-page":"51","DOI":"10.1016\/0009-8981(67)90244-6","volume":"18","author":"TL Perry","year":"1967","unstructured":"Perry, T. L., Hansen, S., Tischler, B., and Bunting, R., Clin. Chim. Acta, 18, 51 (1967).","journal-title":"Clin. Chim. Acta"},{"key":"BF222668a0_CR5","doi-asserted-by":"publisher","first-page":"56","DOI":"10.1038\/184056b0","volume":"184","author":"RP Ambler","year":"1959","unstructured":"Ambler, R. P., and Rees, M. W., Nature, 184, 56 (1959).","journal-title":"Nature"},{"key":"BF222668a0_CR6","doi-asserted-by":"publisher","first-page":"10","DOI":"10.1021\/bi00889a003","volume":"3","author":"K Murray","year":"1964","unstructured":"Murray, K., Biochemistry, 3, 10 (1964).","journal-title":"Biochemistry"},{"key":"BF222668a0_CR7","doi-asserted-by":"publisher","first-page":"1190","DOI":"10.1021\/ac60139a006","volume":"30","author":"DH Spackman","year":"1958","unstructured":"Spackman, D. H., Stein, W. H., and Moore, S., Anal. Chem., 30, 1190 (1958).","journal-title":"Anal. Chem."}],"container-title":["Nature"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.nature.com\/articles\/222668a0","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.nature.com\/articles\/222668a0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.nature.com\/articles\/222668a0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,11]],"date-time":"2025-04-11T09:25:16Z","timestamp":1744363516000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.nature.com\/articles\/222668a0"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1969,5,17]]},"references-count":7,"journal-issue":{"issue":"5194","published-print":{"date-parts":[[1969,5,17]]}},"alternative-id":["BF222668a0"],"URL":"https:\/\/doi.org\/10.1038\/222668a0","relation":{},"ISSN":["0028-0836","1476-4687"],"issn-type":[{"type":"print","value":"0028-0836"},{"type":"electronic","value":"1476-4687"}],"subject":[],"published":{"date-parts":[[1969,5,17]]}}}