Incidental Mutation 'R5777:Tkt'
ID 446784
Institutional Source Beutler Lab
Gene Symbol Tkt
Ensembl Gene ENSMUSG00000021957
Gene Name transketolase
Synonyms p68
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5777 (G1)
Quality Score 225
Status Not validated
Chromosome 14
Chromosomal Location 30271088-30296681 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 30280733 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Proline at position 55 (T55P)
Ref Sequence ENSEMBL: ENSMUSP00000022529 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022529] [ENSMUST00000162356]
AlphaFold P40142
Predicted Effect possibly damaging
Transcript: ENSMUST00000022529
AA Change: T55P

PolyPhen 2 Score 0.884 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000022529
Gene: ENSMUSG00000021957
AA Change: T55P

DomainStartEndE-ValueType
Pfam:Transketolase_N 14 284 1.4e-46 PFAM
Pfam:E1_dh 108 239 6.9e-11 PFAM
Transket_pyr 315 479 1.52e-42 SMART
Pfam:Transketolase_C 490 612 3.9e-35 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000160189
Predicted Effect probably benign
Transcript: ENSMUST00000162356
Predicted Effect noncoding transcript
Transcript: ENSMUST00000223633
Predicted Effect unknown
Transcript: ENSMUST00000223717
AA Change: T27P
Predicted Effect noncoding transcript
Transcript: ENSMUST00000225857
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.8%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes an enzyme that binds magnesium and thiamine pyrophosphate and catalyzes the transfer of sugar phosphates to an aldose acceptor. This enzyme is a key component of the pentose phosphate pathway during glycolysis. It is significantly expressed in the cornea and may be involved in the cellular response against oxidative stress. Haploinsufficiency of this gene leads to decreased growth and reduction of adipose tissue. [provided by RefSeq, Dec 2013]
PHENOTYPE: Homozygotes for a targeted null mutation die at or before the morula stage. Heterozygotes show reduced growth, decreased fat accumulation, microphthalmia, and reduced female fertility. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agrp T C 8: 106,294,000 (GRCm39) E41G probably benign Het
Amph A T 13: 19,230,186 (GRCm39) N45Y probably damaging Het
Atp11a T A 8: 12,882,522 (GRCm39) L470Q probably damaging Het
C130073F10Rik T A 4: 101,747,946 (GRCm39) Y76F possibly damaging Het
Casp12 A T 9: 5,354,548 (GRCm39) I306F probably benign Het
Cobll1 A T 2: 64,933,612 (GRCm39) M460K probably benign Het
Col6a4 A T 9: 105,890,895 (GRCm39) L1800I possibly damaging Het
Ctdsp1 T C 1: 74,433,227 (GRCm39) V131A probably damaging Het
Ctnna3 A G 10: 64,511,664 (GRCm39) H618R probably benign Het
Dhx38 C A 8: 110,283,534 (GRCm39) V538L possibly damaging Het
Dtwd1 A G 2: 126,001,733 (GRCm39) D151G probably damaging Het
Fbxw28 A G 9: 109,167,604 (GRCm39) L51P probably damaging Het
Gm4781 C T 10: 100,232,831 (GRCm39) noncoding transcript Het
Gm5134 C A 10: 75,840,594 (GRCm39) F479L probably benign Het
H2bc27 A G 11: 58,839,835 (GRCm39) K24E probably benign Het
Hexa T G 9: 59,468,243 (GRCm39) V290G probably damaging Het
Ifi206 C T 1: 173,308,928 (GRCm39) R356K possibly damaging Het
Kcnj12 G A 11: 60,961,277 (GRCm39) R525Q possibly damaging Het
Lrp2 A T 2: 69,285,869 (GRCm39) I3774N probably damaging Het
Msh4 C A 3: 153,569,076 (GRCm39) M832I probably benign Het
Myh10 A G 11: 68,676,685 (GRCm39) E852G probably damaging Het
Ndufaf1 A T 2: 119,490,963 (GRCm39) C32* probably null Het
Nos2 A G 11: 78,830,978 (GRCm39) E387G probably null Het
Or4f58 C T 2: 111,851,876 (GRCm39) G108R probably damaging Het
Or55b10 A G 7: 102,143,178 (GRCm39) V268A probably benign Het
Or5h27 T A 16: 59,006,266 (GRCm39) L193F unknown Het
Or7a36 A C 10: 78,820,512 (GRCm39) D296A possibly damaging Het
Or7g29 A T 9: 19,287,014 (GRCm39) H54Q probably benign Het
Or8j3c A G 2: 86,253,669 (GRCm39) V117A probably benign Het
P3h3 T C 6: 124,832,921 (GRCm39) T211A probably benign Het
Pcdh7 A G 5: 57,876,856 (GRCm39) N137S probably damaging Het
Pgf T C 12: 85,216,148 (GRCm39) T157A possibly damaging Het
Prex1 T C 2: 166,428,579 (GRCm39) D714G probably damaging Het
Scn7a T C 2: 66,522,913 (GRCm39) I930M probably damaging Het
Siglecg T C 7: 43,058,837 (GRCm39) S197P possibly damaging Het
Skint7 T A 4: 111,845,289 (GRCm39) I367N probably benign Het
Slfn5 A T 11: 82,851,830 (GRCm39) D652V probably damaging Het
Stx1b G A 7: 127,410,090 (GRCm39) Q3* probably null Het
Tex35 T C 1: 156,934,777 (GRCm39) M46V probably benign Het
Trim30c T C 7: 104,032,538 (GRCm39) R263G probably benign Het
U2af2 G A 7: 5,069,450 (GRCm39) R33Q probably benign Het
Washc4 T A 10: 83,391,469 (GRCm39) V182D probably damaging Het
Xirp2 T C 2: 67,340,348 (GRCm39) V863A possibly damaging Het
Zfp976 T G 7: 42,263,504 (GRCm39) H111P probably benign Het
Zfp982 A T 4: 147,595,321 (GRCm39) N48Y probably damaging Het
Other mutations in Tkt
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00954:Tkt APN 14 30,291,052 (GRCm39) missense probably damaging 1.00
IGL02122:Tkt APN 14 30,293,158 (GRCm39) missense possibly damaging 0.95
IGL02323:Tkt APN 14 30,292,992 (GRCm39) missense possibly damaging 0.69
IGL02326:Tkt APN 14 30,294,182 (GRCm39) missense probably damaging 0.99
IGL02554:Tkt APN 14 30,280,737 (GRCm39) missense probably damaging 1.00
IGL03145:Tkt APN 14 30,282,645 (GRCm39) splice site probably benign
R0148:Tkt UTSW 14 30,294,177 (GRCm39) missense probably damaging 1.00
R0732:Tkt UTSW 14 30,293,097 (GRCm39) splice site probably null
R1550:Tkt UTSW 14 30,287,525 (GRCm39) missense probably damaging 1.00
R2218:Tkt UTSW 14 30,289,018 (GRCm39) critical splice donor site probably null
R4464:Tkt UTSW 14 30,290,231 (GRCm39) missense possibly damaging 0.86
R4771:Tkt UTSW 14 30,288,982 (GRCm39) missense probably damaging 0.97
R4998:Tkt UTSW 14 30,287,499 (GRCm39) nonsense probably null
R5123:Tkt UTSW 14 30,287,603 (GRCm39) missense probably benign 0.11
R5240:Tkt UTSW 14 30,287,635 (GRCm39) missense probably damaging 1.00
R5283:Tkt UTSW 14 30,282,575 (GRCm39) missense probably damaging 1.00
R6051:Tkt UTSW 14 30,290,153 (GRCm39) missense probably benign 0.27
R6517:Tkt UTSW 14 30,271,280 (GRCm39) missense probably damaging 0.96
R6645:Tkt UTSW 14 30,292,168 (GRCm39) missense probably damaging 1.00
R6722:Tkt UTSW 14 30,291,041 (GRCm39) missense probably damaging 1.00
R7120:Tkt UTSW 14 30,281,779 (GRCm39) missense probably benign 0.03
R7179:Tkt UTSW 14 30,281,815 (GRCm39) missense probably damaging 1.00
R7272:Tkt UTSW 14 30,287,564 (GRCm39) missense probably damaging 1.00
R7274:Tkt UTSW 14 30,291,102 (GRCm39) splice site probably null
R7402:Tkt UTSW 14 30,280,755 (GRCm39) missense probably damaging 1.00
R7423:Tkt UTSW 14 30,292,992 (GRCm39) missense possibly damaging 0.69
R7522:Tkt UTSW 14 30,290,180 (GRCm39) missense possibly damaging 0.52
R7712:Tkt UTSW 14 30,280,763 (GRCm39) missense probably benign 0.00
R8975:Tkt UTSW 14 30,288,884 (GRCm39) intron probably benign
R9487:Tkt UTSW 14 30,281,796 (GRCm39) missense probably damaging 1.00
R9487:Tkt UTSW 14 30,281,795 (GRCm39) missense probably benign 0.33
Predicted Primers PCR Primer
(F):5'- AGGCCTTTGTGAGTCTCCTC -3'
(R):5'- ACCCGAAGAGTGGAATTGGTTC -3'

Sequencing Primer
(F):5'- CTTTGTGAGTCTCCTCAGAACAGG -3'
(R):5'- GGTTCATTACCAGACCGGCAC -3'
Posted On 2016-12-15