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Table 3 Expected mass spectra detected from GRLN-LP modified by glycan chains

From: Ghrelin-like peptide with fatty acid modification and O-glycosylation in the red stingray, Dasyatis akajei

No.

Peptide

Predicted glycan chains

Sum of glycan chains

Expected mass

1

GRLN-LP

  

1832.8*

2

 

HexNAc1

203.07

2035.87

3

 

HexNAc1-Hex

365.12

2197.92

4

 

HexNAc1-Hex2

527.17

2359.97

5

 

HexNAc2

406.14

2238.94

6

 

HexNAc2-Hex

568.19

2400.99

7

 

HexNAc2-Hex2

730.24

2563.04

8

 

HexNAc3

609.21

2442.01

9

 

HexNAc3-Hex

771.26

2604.06

10

 

HexNAc3-Hex2

933.31

2766.11

  1. Note: * Detected mass is GRLN-LP that was modified by octanoic acid (m/z 1808.8 [M+H]+) containing unidentifed adduct (m/z 24).
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BMC Biochemistry

ISSN: 1471-2091

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