Table 1 GCK gene variants identified in patients with diabetes in the Pinggu cohort

From: A new clinical screening strategy and prevalence estimation for glucokinase variant-induced diabetes in an adult Chinese population

Regions

Codon change

Amino acid change

Prediction

rs numbera

Minor allele frequency

Referenceb

PROVEAN

SIFT

PolyPhen-2

ExAC

1000 Genomes

Exon 2

CGC>CAC

Arg43His

Deleterious

Damaging

Probably damaging

rs764232985

0.000008

NA

19

Exon 3

ACT>CCT

Thr82Pro

Deleterious

Damaging

Probably damaging

NA

NA

NA

Novel

Exon 7

GCC>TCC

Ala259Ser

Neutral

Damaging

Possibly damaging

NA

NA

NA

Novel

Exon 9

CGC>CTC

Arg377Leu

Deleterious

Damaging

Probably damaging

NA

NA

NA

3

Exon 2

GGC>AGC

Gly44Ser

Deleterious

Damaging

Probably damaging

rs267601516

NA

NA

3, 18

IVS9 + 8

T>C

-

-

-

-

rs2908274

0.3681

0.4131

35

Exon 9

GCG>GCA

Ala384Ala

-

-

-

rs769709550

0.00001

NA

 

Exon 7

AGC>AGT

Ser263Ser

-

-

-

rs757636596

0.00002

NA

 

Intron

T>A

-

-

-

-

rs13306393

0.0015

0.0024

 

Exon 7

CGC>TGC

Arg250Cys

Deleterious

Damaging

Probably damaging

NA

NA

NA

20

Exon 9

ACG>ATG

Thr354Met

Neutral

Damaging

Possibly damaging

NA

NA

NA

Novel

Exon 4

GAC>GAA

Asp135Glu

Neutral

Tolerated

Possibly damaging

NA

NA

NA

 

IVS1 + 5

A>C

-

-

-

-

rs193922251

0.00003

NA

 

Intron

T>A

-

-

-

-

rs144705480

0.00007

0.0004

 
  1. Gene accession no. (NM_000162.3).
  2. aNot applicable (NA) indicates that this variant has no rs number and a minor allele frequency in the Exome Aggregation Consortium (ExAC) and 1000 Genomes databases
  3. bReferences reporting that this variant causes GCK-DM