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. 2013 Aug 28;288(43):31080–31092. doi: 10.1074/jbc.M113.469189

TABLE 3.

Structure-function analysis of hGLUT2

Loop, loop between transmembrane domains; WT, wild-type hGLUT2; NA, nonapplicable; ND, not determined.

Mutation Found in human Amino acid location Domain function Plasma membrane expression Transport activity Receptor activity
G20D FBS TM1 Unknown No NA ND
G20S TM1 Unknown Yes High High with or without glucose
P68L SNP Loop 1 Unknown Yes As WT ND
T110I SNP TM2 Unknown Yes As WT ND
S242R FBS Loop 6 PESPR signature No None ND
F295Y Loop 6 Signaling Yes Close to WT High without glucose
L368P TM9 Sugar tunnel Yes Low High without glucose
P417L FBS TM10 Sugar tunnel Yes None ND
W444R FBS TM11 Sugar-binding site Yes None ND