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Table 1 Derived glycan traits defined from directly measured glycan peaks

From: N-glycosylation patterns of plasma proteins and immunoglobulin G in chronic obstructive pulmonary disease

Derived plasma glycan trait

Description

Formula

Example of a glycan structure

LB

Proportion of mono- and biantennary structures in the total plasma N-glycome

GP1 + GP2/2 + GP3 + GP4 + GP5 + GP6 +  GP8 + GP9 + GP10 + GP11 + GP12 + GP13 + GP14 + GP15 + GP16 + GP17 + GP18 + GP20 + GP21 + GP22 + GP23

HB

Proportion of tri- and tetraantennary structures in the total plasma N-glycome

GP24 + GP25 + GP26 + GP27 + GP28 + GP29 + GP30 + GP31 + GP32 + GP33 + GP34 + GP35 + GP36 + GP37 + GP38 + GP39

G0

Proportion of agalactosylated structures in the total plasma N-glycome

GP1 + GP2/2

G1

Proportion of monogalactosylated structures in the total plasma N-glycome

GP3 + GP4 + GP5 + GP6 + GP12 + GP13

G2

Proportion of digalactosylated structures in the total plasma N-glycome

GP8 + GP9 + GP10 + GP11 + GP14 + GP15 + GP16 + GP17 + GP18 + GP20 + GP21 + GP22 + GP23

G3

Proportion of trigalactosylated structures in the total plasma N-glycome

GP24 + GP25 + GP26 + GP27 + GP28 + GP29 + GP30 + GP31 + GP32 + GP35

G4

Proportion of tetragalactosylated structures in the total plasma N-glycome

GP33 + GP34 + GP36 + GP37 + GP38 + GP39

S0

Proportion of asialylated structures in the total plasma N-glycome

GP1 + GP2/2 + GP3 + GP4 + GP5 + GP6 + GP8 + GP9 + GP10 + GP11

S1

Proportion of monosialylated structures in the total plasma N-glycome

GP12 + GP13 + GP14 + GP15 + GP16 + GP17

S2

Proportion of disialylated structures in the total plasma N-glycome

GP18 + GP20 + GP21 + GP22 + GP23 + GP24 + GP25 + GP26

S3

Proportion of trisialylated structures in the total plasma N-glycome

GP27 + GP28 + GP29 + GP30 + GP31 + GP32 + GP33 + GP34 + GP35

S4

Proportion of tetrasialylated structures in the total plasma N-glycome

GP36 + GP37 + GP38 + GP39

Bisecting

Proportion of structures containing bisecting GlcNAc in the total plasma N-glycome

GP2/2 + GP3 + GP6 + GP9 + GP11 + GP12 + GP15 + GP17 + GP21 + GP23

OligoMan

Proportion of oligomannosidic structures in the total plasma N-glycome

GP2/2 + GP7 + GP19

CoreF

Proportion of structures containing core fucose in the total plasma N-glycome

GP1 + GP2/2 + GP4 + GP5 + GP6 + GP10 + GP11 + GP13 + GP16 + GP17 + GP22 + GP23 + GP29 + GP31

AntF

Proportion of structures containing antennary fucose in the total plasma N-glycome

GP32 + GP35 + GP39

Derived IgG glycan trait

Description

Formula

Example of a glycan structure

G0

Proportion of agalactosylated structures in the total IgG N-glycome

IGP1 + IGP2 + IGP3 + IGP4 + IGP5 + IGP6

G1

Proportion of monogalactosylated structures in the total IgG N-glycome

IGP7 + IGP8 + IGP9 + IGP10 + IGP11 + IGP16

G2

Proportion of digalactosylated structures in the total IgG N-glycome

IGP12 + IGP13 + IGP14 + IGP15 + IGP17 + IGP18 + IGP19 + IGP21 + IGP22 + IGP23 + IGP24

S0

Proportion of asialylated structures in the total IgG N-glycome

IGP1 + IGP2 + IGP3 + IGP4 + IGP5 + IGP6 + IGP7 + IGP8 + IGP9 + IGP10 + IGP11 + IGP12 + IGP13 + IGP14 + IGP15

S1

Proportion of monosialylated structures in the total IgG N-glycome

IGP16 + IGP17 + IGP18 + IGP19

S2

Proportion of disialylated structures in the total IgG N-glycome

IGP21 + IGP22 + IGP23 + IGP24

Bisecting

Proportion of structures containing bisecting GlcNAc in the total IgG N-glycome

IGP3 + IGP6 + IGP10 + IGP11 + IGP13 + IGP15 + IGP19 + IGP22 + IGP24

OligoMan

Proportion of oligomannosidic structures in the total IgG N-glycome

IGP5

CoreF

Proportion of structures containing core fucose in the total IgG N-glycome

IGP1 + IGP4 + IGP6 + IGP8 + IGP9 + IGP10 + IGP11 + IGP14 + IGP15 + IGP16 + IGP18 + IGP19 + IGP23 + IGP24

  1. GlcNAc: N-acetylglucosamine