The interpretation of the mass spectrum of an ornithine-containing lipid from Thiobacillus thiooxidans
The electron impact mass spectrum of a previously identified ornithine‐containing lipid from Thiobacillus thiooxidans has been interpreted using exact mass measurements, low and high energy ionization, and defocused metastable studies. The spectrum, which did not contain a molecular ion for the inta...
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| Veröffentlicht in: | Biological Mass Spectrometry 1978-01, Vol.5 (1), p.64-71 |
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| container_title | Biological Mass Spectrometry |
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| creator | Hilker, David R. Gross, Michael L. Knocke, Herman W. Shively, Jessup M. |
| description | The electron impact mass spectrum of a previously identified ornithine‐containing lipid from Thiobacillus thiooxidans has been interpreted using exact mass measurements, low and high energy ionization, and defocused metastable studies. The spectrum, which did not contain a molecular ion for the intact lipid, was consistent with cyclization of the ornithine zwitterionic moiety with elimination of water to give 3[3′‐(11,12‐methylene‐2‐hydroxyoctadecanoxy)hexadecanylamine]‐2‐iperidone. Production of this sufficiently volatile species for mass spectral analysis was accomplished by gentle pyrolysis in the mass spectrometer source. The spectrum can be understood to arise by three primary decompositions which serve to separate the two fatty acid constitutents. The remainder of the spectrum is consistent with the expected fragmentations of these constituents. |
| doi_str_mv | 10.1002/bms.1200050112 |
| format | Article |
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The spectrum, which did not contain a molecular ion for the intact lipid, was consistent with cyclization of the ornithine zwitterionic moiety with elimination of water to give 3[3′‐(11,12‐methylene‐2‐hydroxyoctadecanoxy)hexadecanylamine]‐2‐iperidone. Production of this sufficiently volatile species for mass spectral analysis was accomplished by gentle pyrolysis in the mass spectrometer source. The spectrum can be understood to arise by three primary decompositions which serve to separate the two fatty acid constitutents. The remainder of the spectrum is consistent with the expected fragmentations of these constituents.</description><identifier>ISSN: 0306-042X</identifier><identifier>EISSN: 1096-9888</identifier><identifier>DOI: 10.1002/bms.1200050112</identifier><identifier>PMID: 342005</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Acidithiobacillus thiooxidans - analysis ; Ions ; Lipids ; Mass Spectrometry ; Ornithine ; Piperidones ; Thiobacillus - analysis</subject><ispartof>Biological Mass Spectrometry, 1978-01, Vol.5 (1), p.64-71</ispartof><rights>Copyright © 1978 Heyden & Son Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fbms.1200050112$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fbms.1200050112$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/342005$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hilker, David R.</creatorcontrib><creatorcontrib>Gross, Michael L.</creatorcontrib><creatorcontrib>Knocke, Herman W.</creatorcontrib><creatorcontrib>Shively, Jessup M.</creatorcontrib><title>The interpretation of the mass spectrum of an ornithine-containing lipid from Thiobacillus thiooxidans</title><title>Biological Mass Spectrometry</title><addtitle>Biol. Mass Spectrom</addtitle><description>The electron impact mass spectrum of a previously identified ornithine‐containing lipid from Thiobacillus thiooxidans has been interpreted using exact mass measurements, low and high energy ionization, and defocused metastable studies. The spectrum, which did not contain a molecular ion for the intact lipid, was consistent with cyclization of the ornithine zwitterionic moiety with elimination of water to give 3[3′‐(11,12‐methylene‐2‐hydroxyoctadecanoxy)hexadecanylamine]‐2‐iperidone. Production of this sufficiently volatile species for mass spectral analysis was accomplished by gentle pyrolysis in the mass spectrometer source. The spectrum can be understood to arise by three primary decompositions which serve to separate the two fatty acid constitutents. The remainder of the spectrum is consistent with the expected fragmentations of these constituents.</description><subject>Acidithiobacillus thiooxidans - analysis</subject><subject>Ions</subject><subject>Lipids</subject><subject>Mass Spectrometry</subject><subject>Ornithine</subject><subject>Piperidones</subject><subject>Thiobacillus - analysis</subject><issn>0306-042X</issn><issn>1096-9888</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1978</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFUE1P3DAQtVAL3UKvnHrIiVvo2F47ybFFFCpROOzSol4sJ7HZoYkdbEeFf1-vFsFpZt7XSI-QYwqnFIB9acd4ShkACKCU7ZEFhUaWTV3X78gCOMgSluzuA_kY4wMArynwA7LPl9kiFsSuN6ZAl0yYgkk6oXeFt0XK6KhjLOJkuhTmcQvqTAWHaYPOlJ13SaNDd18MOGFf2ODHYr1B3-oOh2GOOQS9f8Jeu3hE3ls9RPPpZR6S2-_n67PL8urm4sfZ16sSWcNZyXVlOPSsln3NoIFKLoXRUlNRUdMuW2m10KIxltlKsLw3fQvGtrKj1lpe80Nyssudgn-cTUxqxNiZYdDO-DmqmldCMrYVfn4Rzu1oejUFHHV4VrteMt3s6H84mOdXloLadq5y5-qtc_Xt5-rtyt5y58WYzNOrV4e_Slb5v_p9faEE-3X5Z3W9Uiv-H5z5hsw</recordid><startdate>197801</startdate><enddate>197801</enddate><creator>Hilker, David R.</creator><creator>Gross, Michael L.</creator><creator>Knocke, Herman W.</creator><creator>Shively, Jessup M.</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>197801</creationdate><title>The interpretation of the mass spectrum of an ornithine-containing lipid from Thiobacillus thiooxidans</title><author>Hilker, David R. ; Gross, Michael L. ; Knocke, Herman W. ; Shively, Jessup M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i2932-3a7e30d286d820907645ea6a1571eb4b6fa5a59ef2f752a5a9db0efb6c1fff383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1978</creationdate><topic>Acidithiobacillus thiooxidans - analysis</topic><topic>Ions</topic><topic>Lipids</topic><topic>Mass Spectrometry</topic><topic>Ornithine</topic><topic>Piperidones</topic><topic>Thiobacillus - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hilker, David R.</creatorcontrib><creatorcontrib>Gross, Michael L.</creatorcontrib><creatorcontrib>Knocke, Herman W.</creatorcontrib><creatorcontrib>Shively, Jessup M.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Biological Mass Spectrometry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hilker, David R.</au><au>Gross, Michael L.</au><au>Knocke, Herman W.</au><au>Shively, Jessup M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The interpretation of the mass spectrum of an ornithine-containing lipid from Thiobacillus thiooxidans</atitle><jtitle>Biological Mass Spectrometry</jtitle><addtitle>Biol. Mass Spectrom</addtitle><date>1978-01</date><risdate>1978</risdate><volume>5</volume><issue>1</issue><spage>64</spage><epage>71</epage><pages>64-71</pages><issn>0306-042X</issn><eissn>1096-9888</eissn><abstract>The electron impact mass spectrum of a previously identified ornithine‐containing lipid from Thiobacillus thiooxidans has been interpreted using exact mass measurements, low and high energy ionization, and defocused metastable studies. The spectrum, which did not contain a molecular ion for the intact lipid, was consistent with cyclization of the ornithine zwitterionic moiety with elimination of water to give 3[3′‐(11,12‐methylene‐2‐hydroxyoctadecanoxy)hexadecanylamine]‐2‐iperidone. Production of this sufficiently volatile species for mass spectral analysis was accomplished by gentle pyrolysis in the mass spectrometer source. The spectrum can be understood to arise by three primary decompositions which serve to separate the two fatty acid constitutents. The remainder of the spectrum is consistent with the expected fragmentations of these constituents.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><pmid>342005</pmid><doi>10.1002/bms.1200050112</doi><tpages>8</tpages></addata></record> |
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| ispartof | Biological Mass Spectrometry, 1978-01, Vol.5 (1), p.64-71 |
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| language | eng |
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| source | MEDLINE; Access via Wiley Online Library; Alma/SFX Local Collection |
| subjects | Acidithiobacillus thiooxidans - analysis Ions Lipids Mass Spectrometry Ornithine Piperidones Thiobacillus - analysis |
| title | The interpretation of the mass spectrum of an ornithine-containing lipid from Thiobacillus thiooxidans |
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