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WWW ChemTools
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- Ion Formula by Mol. Weight
- Isotope Pattern Calculator
- Mass Loss Calculator
- Periodic e-Table
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WWW BioTools
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- EMBL Peptide Search - protein ID from peptide mass and sequence data
- FindMod - post-translational modifications by peptide mass
- GlycanMass - oligosaccharide mass from structure
- GlycoMod - oligosaccharide structures from mass
- Javascript Protein Digest - peptide digest masses
- Javascipt Fragment Ion Generator for peptides
- Mascot Search - peptide mass and sequence tools
- Mowse - protein identification from peptide MS data
- Protein Prospector - mass spectra interpretation tools
- PROWL - identification of proteins from MS data
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monosaccharide mass
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Average (isotope weighted) and monoisotopic masses (C-12 only) for common monosaccharides and additional groups are shown below.
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monosaccharide / group
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average mass (Da)
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monoisotopic mass (Da)
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Deoxyhexose
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146.1430
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146.0579
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HexA
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176.1259
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176.0321
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HexNAc
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203.1950
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203.0794
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Hexose
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162.1424
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162.0528
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NeuAc
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291.2579
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291.0954
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NeuGc
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307.2573
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307.0903
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Pentose
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132.1161
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132.0423
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Sulfate
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80.0642
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79.9568
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Phosphate
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79.9799
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79.9663
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Methyl
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14.0269
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14.0157
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Acetyl
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42.0373
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42.0106
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H2O (for reducing terminus)
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18.0153
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18.0106
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MS Book Suppliers
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- Academic Press
- amazon.com
- American Chemical Society
- Barnes & Noble
- Humana Press
- Royal Society of Chemistry
- Wiley Interscience
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MS Journals
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- European Mass Spectrom.
- Intl. J. of Mass Spectrom.
- J. American Society of MS
- J. Mass Spectrometry
- J. MS Society of Japan
- Mass Spectrometry Reviews
- Rapid Communications in MS
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Literature Search
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- Beilstein Abstracts
- ChemWeb
- Current Contents - ISI
- PubMed - NCBI
- PubScience - DOE
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