期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1998
卷号：95
期号：15
页码：8596-8601
DOI：10.1073/pnas.95.15.8596
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：A method to identify mutations of virus proteins by using protein mass mapping is described. Comparative mass mapping was applied to a structural protein of the human rhinovirus Cys1199 [->] Tyr mutant and to genetically engineered mutants of tobacco mosaic virus. The information generated from this approach can rapidly identify the peptide or protein containing the mutation and, in cases when nucleic acid sequencing is required, significantly narrows the region of the genome that must be sequenced. High-resolution matrix-assisted laser desorption/ionization (MALDI) mass spectrometry and tandem mass spectrometry were used to identify amino acid substitutions. This method provides valuable information for those analyzing viral variants and, in some cases, offers a rapid and accurate alternative to nucleotide sequencing.
