Sequencing of Argentinated Peptides by Means of Electrospray Tandem Mass Spectrometry
A strategy for semiautomatic sequencing of argentinated (silver-containing) oligopeptides has been developed. Sequencing is based on a search algorithm that identifies a triplet peak relationship in a product ion spectrum of the [M + Ag]+ ion of an oligopeptide. The ions that constitute a triplet ar...
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| Veröffentlicht in: | Analytical chemistry (Washington) 1999-07, Vol.71 (13), p.2364-2372 |
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| container_title | Analytical chemistry (Washington) |
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| creator | Chu, Ivan K Guo, Xu Lau, Tai-Chu Siu, K. W. Michael |
| description | A strategy for semiautomatic sequencing of argentinated (silver-containing) oligopeptides has been developed. Sequencing is based on a search algorithm that identifies a triplet peak relationship in a product ion spectrum of the [M + Ag]+ ion of an oligopeptide. The ions that constitute a triplet are [b n + OH + Ag]+, [b n − H + Ag]+, and [a n − H + Ag]+, which are separated by 18 and 28 m/z units, respectively. The difference in the m/z values of adjacent triplets identifies the residue that is “cleaved”. Observation of the [y n + H + Ag]+ ion containing the cleaved residue confirms the assignment. Sequencing of argentinated tryptic peptides may prove useful for automated proteome analysis via the sequence tag method. |
| doi_str_mv | 10.1021/ac981351n |
| format | Article |
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W. Michael</creator><creatorcontrib>Chu, Ivan K ; Guo, Xu ; Lau, Tai-Chu ; Siu, K. W. Michael</creatorcontrib><description>A strategy for semiautomatic sequencing of argentinated (silver-containing) oligopeptides has been developed. Sequencing is based on a search algorithm that identifies a triplet peak relationship in a product ion spectrum of the [M + Ag]+ ion of an oligopeptide. The ions that constitute a triplet are [b n + OH + Ag]+, [b n − H + Ag]+, and [a n − H + Ag]+, which are separated by 18 and 28 m/z units, respectively. The difference in the m/z values of adjacent triplets identifies the residue that is “cleaved”. Observation of the [y n + H + Ag]+ ion containing the cleaved residue confirms the assignment. Sequencing of argentinated tryptic peptides may prove useful for automated proteome analysis via the sequence tag method.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac981351n</identifier><identifier>PMID: 10405604</identifier><identifier>CODEN: ANCHAM</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Amino Acid Sequence ; Animals ; Biological and medical sciences ; Cattle ; Chemistry ; Diverse techniques ; Fundamental and applied biological sciences. 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W. Michael</creatorcontrib><title>Sequencing of Argentinated Peptides by Means of Electrospray Tandem Mass Spectrometry</title><title>Analytical chemistry (Washington)</title><addtitle>Anal. Chem</addtitle><description>A strategy for semiautomatic sequencing of argentinated (silver-containing) oligopeptides has been developed. Sequencing is based on a search algorithm that identifies a triplet peak relationship in a product ion spectrum of the [M + Ag]+ ion of an oligopeptide. The ions that constitute a triplet are [b n + OH + Ag]+, [b n − H + Ag]+, and [a n − H + Ag]+, which are separated by 18 and 28 m/z units, respectively. The difference in the m/z values of adjacent triplets identifies the residue that is “cleaved”. Observation of the [y n + H + Ag]+ ion containing the cleaved residue confirms the assignment. Sequencing of argentinated tryptic peptides may prove useful for automated proteome analysis via the sequence tag method.</description><subject>Amino Acid Sequence</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cattle</subject><subject>Chemistry</subject><subject>Diverse techniques</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hydrolysis</subject><subject>Mass Spectrometry</subject><subject>Molecular and cellular biology</subject><subject>Molecular Sequence Data</subject><subject>Oligopeptides - analysis</subject><subject>Oligopeptides - chemistry</subject><subject>Peptides</subject><subject>Scientific imaging</subject><subject>Silver - chemistry</subject><subject>Trypsin</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpl0MFu1DAQBmALgehSOPACKEKAxCEwdmI7OZa2UKRWVNrt2Zo44yolcVI7K7Fvj5esWgQnH-bTeP6fsdccPnEQ_DPauuKF5P4JW3EpIFdVJZ6yFQAUudAAR-xFjHcAnANXz9kRhxKkgnLFbtZ0vyVvO3-bjS47Cbfk587jTG12TdPctRSzZpddEfq4F-c92TmMcQq4yzboWxqyK4wxW09_BgPNYfeSPXPYR3p1eI_ZzdfzzelFfvnj2_fTk8sc0_9z3kjRluiw0I7XQmPpika1tqR0qG5AWeKCKslr58pGtEpXqEA5KVJejY0ojtmHZe8UxhQjzmbooqW-R0_jNhpVVzUUSib49h94N26DT7cZwXWloKj32z4uyKZ8MZAzU-gGDDvDweyLNg9FJ_vmsHDbDNT-JZdmE3h3ABgt9i5gKjk-ukrxUteJ5Qvr4ky_HsYYfhqlCy3N5nptQFxUX-BMmrPk3y8ebXzM8P99vwHZ2J8Y</recordid><startdate>19990701</startdate><enddate>19990701</enddate><creator>Chu, Ivan K</creator><creator>Guo, Xu</creator><creator>Lau, Tai-Chu</creator><creator>Siu, K. 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Psychology</topic><topic>Hydrolysis</topic><topic>Mass Spectrometry</topic><topic>Molecular and cellular biology</topic><topic>Molecular Sequence Data</topic><topic>Oligopeptides - analysis</topic><topic>Oligopeptides - chemistry</topic><topic>Peptides</topic><topic>Scientific imaging</topic><topic>Silver - chemistry</topic><topic>Trypsin</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chu, Ivan K</creatorcontrib><creatorcontrib>Guo, Xu</creatorcontrib><creatorcontrib>Lau, Tai-Chu</creatorcontrib><creatorcontrib>Siu, K. W. 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W. Michael</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sequencing of Argentinated Peptides by Means of Electrospray Tandem Mass Spectrometry</atitle><jtitle>Analytical chemistry (Washington)</jtitle><addtitle>Anal. Chem</addtitle><date>1999-07-01</date><risdate>1999</risdate><volume>71</volume><issue>13</issue><spage>2364</spage><epage>2372</epage><pages>2364-2372</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><coden>ANCHAM</coden><abstract>A strategy for semiautomatic sequencing of argentinated (silver-containing) oligopeptides has been developed. Sequencing is based on a search algorithm that identifies a triplet peak relationship in a product ion spectrum of the [M + Ag]+ ion of an oligopeptide. The ions that constitute a triplet are [b n + OH + Ag]+, [b n − H + Ag]+, and [a n − H + Ag]+, which are separated by 18 and 28 m/z units, respectively. The difference in the m/z values of adjacent triplets identifies the residue that is “cleaved”. 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| subjects | Amino Acid Sequence Animals Biological and medical sciences Cattle Chemistry Diverse techniques Fundamental and applied biological sciences. Psychology Hydrolysis Mass Spectrometry Molecular and cellular biology Molecular Sequence Data Oligopeptides - analysis Oligopeptides - chemistry Peptides Scientific imaging Silver - chemistry Trypsin |
| title | Sequencing of Argentinated Peptides by Means of Electrospray Tandem Mass Spectrometry |
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