{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T02:40:47Z","timestamp":1773283247507,"version":"3.50.1"},"reference-count":10,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2003,4,23]],"date-time":"2003-04-23T00:00:00Z","timestamp":1051056000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["European Journal of Biochemistry"],"published-print":{"date-parts":[[2003,5]]},"abstract":"<jats:p> <jats:italic>Streptococcus mitis<\/jats:italic> strain SK598, which represents a subgroup of biovar 1, possesses a unique variant of the C\u2010polysaccharide found in the cell wall of all strains of <jats:italic>Streptococcus pneumoniae<\/jats:italic> and in some strains of <jats:italic>S.\u2003mitis<\/jats:italic>. This new variant lacks the choline methyl groups in contrast to the previously characterized forms of C\u2010polysaccharide, which all contain one or two choline residues per repeat. The following structure of the repeating unit of the SK598 polysaccharide was established:<\/jats:p><jats:p> <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/FEBS_3569_fu1.gif\" xlink:title=\"inline image\"\/> <\/jats:p><jats:p>where AAT is 2\u2010acetamido\u20104\u2010amino\u20102,4,6\u2010trideoxy\u2010<jats:sc>d<\/jats:sc>\u2010galactose.<\/jats:p><jats:p>This structure is identical to the double choline\u2010substituted form of C\u2010polysaccharide, except that it is substituted with ethanolamine instead of choline. This extends the number of recognized C\u2010polysaccharide variants to four.<\/jats:p>","DOI":"10.1046\/j.1432-1033.2003.03569.x","type":"journal-article","created":{"date-parts":[[2003,5,6]],"date-time":"2003-05-06T15:29:46Z","timestamp":1052234986000},"page":"2157-2162","source":"Crossref","is-referenced-by-count":18,"title":["A unique variant of streptococcal group O\u2010antigen (C\u2010polysaccharide) that lacks phosphocholine"],"prefix":"10.1111","volume":"270","author":[{"given":"Niklas","family":"Bergstr\u00f6m","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Per\u2010Erik","family":"Jansson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mogens","family":"Kilian","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Uffe B.","family":"Skov S\u00f8rensen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2003,4,23]]},"reference":[{"key":"e_1_2_12_2_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1432-1327.2000.01821.x-i2"},{"key":"e_1_2_12_3_2","doi-asserted-by":"publisher","DOI":"10.1099\/00207713-39-4-471"},{"key":"e_1_2_12_4_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1432-1327.1999.00835.x"},{"key":"e_1_2_12_5_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00268a061"},{"key":"e_1_2_12_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0008-6215(00)80881-2"},{"key":"e_1_2_12_7_2","doi-asserted-by":"publisher","DOI":"10.1021\/bi00561a026"},{"key":"e_1_2_12_8_2","doi-asserted-by":"publisher","DOI":"10.1139\/v93-086"},{"key":"e_1_2_12_9_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1432-1033.1993.tb18102.x"},{"key":"e_1_2_12_10_2","doi-asserted-by":"publisher","DOI":"10.1128\/JB.180.8.2093-2101.1998"},{"key":"e_1_2_12_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0923-2508(00)00174-1"}],"container-title":["European Journal of Biochemistry"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1046%2Fj.1432-1033.2003.03569.x","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/febs.onlinelibrary.wiley.com\/doi\/pdf\/10.1046\/j.1432-1033.2003.03569.x","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,16]],"date-time":"2023-10-16T17:52:10Z","timestamp":1697478730000},"score":1,"resource":{"primary":{"URL":"https:\/\/febs.onlinelibrary.wiley.com\/doi\/10.1046\/j.1432-1033.2003.03569.x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2003,4,23]]},"references-count":10,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2003,5]]}},"alternative-id":["10.1046\/j.1432-1033.2003.03569.x"],"URL":"https:\/\/doi.org\/10.1046\/j.1432-1033.2003.03569.x","archive":["Portico"],"relation":{},"ISSN":["0014-2956","1432-1033"],"issn-type":[{"value":"0014-2956","type":"print"},{"value":"1432-1033","type":"electronic"}],"subject":[],"published":{"date-parts":[[2003,4,23]]}}}