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Common N-Linked Glycan Simplified 
Structures and Masses

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A Few Common N-Linked Structures and Subunits
These are
Useful Structures for Labeling MS and MS/MS Spectra
see our example
(try downloading the .ppt file below the table)

. complex
sialylated
fucosylated
diantennary
complex
sialylated
fucosylated
triantennary
complex
sialylated
fucosylated
tetraantennary
high mannose
(man 7)
hybrid common
core str.
subunit
sialylated
branch
subunit
branch
subunit

N-Linked 
Structures

Composition C90O65N6H146 C115O83N8H186 C140O101N10H226 C64O49N2H106 C83O62N4H136 C34O25N2H56 C25O18N2H40 C14O10N1H23
. . . . . . . . .
Mono. Mass 2350.8303 3007.0579 3663.2856 1686.5864 2180.7612 892.3172 656.2276 365.1322
Av. Mass 2352.13 3008.72 3665.30 1687.51 2181.96 892.81 656.59 365.33
 

Download a PowerPoint File to Make Your Own Structures

Download a Simple Excel Carbo Calculator

(hint: right click on the link and choose "Save Target As", always scan all downloads for viruses)

Symbol Key

Residue Symbol Residue Composition Mono Isotopic Mass Average Mass
Sialic Acid C11O8NH17 291.0954 291.26
Galactose C6O5H10 162.0528  162.14
N-Acetylglucosamine C8O5NH13 203.0794 203.19
Mannose C6O5H10 162.0528  162.14
Fucose C6O4H10 146.0579 146.14

 

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Last updated:  Monday, January 20, 2014 10:51:08 AM