Incidental Mutation 'R5123:Tkt'
ID 393415
Institutional Source Beutler Lab
Gene Symbol Tkt
Ensembl Gene ENSMUSG00000021957
Gene Name transketolase
Synonyms p68
MMRRC Submission 042711-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5123 (G1)
Quality Score 225
Status Validated
Chromosome 14
Chromosomal Location 30271088-30296681 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 30287603 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 199 (V199A)
Ref Sequence ENSEMBL: ENSMUSP00000022529 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022529]
AlphaFold P40142
Predicted Effect probably benign
Transcript: ENSMUST00000022529
AA Change: V199A

PolyPhen 2 Score 0.108 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000022529
Gene: ENSMUSG00000021957
AA Change: V199A

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 noncoding transcript
Transcript: ENSMUST00000160406
Predicted Effect noncoding transcript
Transcript: ENSMUST00000223633
Predicted Effect probably benign
Transcript: ENSMUST00000223717
Predicted Effect noncoding transcript
Transcript: ENSMUST00000225039
Predicted Effect noncoding transcript
Transcript: ENSMUST00000225857
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.6%
  • 20x: 93.5%
Validation Efficiency 98% (53/54)
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
Abca3 G A 17: 24,603,434 (GRCm39) G542D possibly damaging Het
Adh6b A G 3: 138,063,450 (GRCm39) Y343C probably damaging Het
Adsl T A 15: 80,836,495 (GRCm39) probably null Het
Apob T A 12: 8,057,630 (GRCm39) probably null Het
Atp6ap1l T A 13: 91,047,017 (GRCm39) probably benign Het
Cacnb3 A G 15: 98,537,750 (GRCm39) D74G probably damaging Het
Cfap251 A G 5: 123,411,696 (GRCm39) probably benign Het
Clca3a2 T A 3: 144,512,104 (GRCm39) D544V probably damaging Het
Col3a1 G A 1: 45,372,756 (GRCm39) probably benign Het
D7Ertd443e A G 7: 133,951,397 (GRCm39) probably null Het
Dscam T C 16: 96,573,637 (GRCm39) D775G probably damaging Het
Eif2b3 T A 4: 116,879,408 (GRCm39) M16K probably damaging Het
Eml5 T C 12: 98,840,771 (GRCm39) Y281C probably damaging Het
Epha2 T A 4: 141,036,176 (GRCm39) L204Q possibly damaging Het
Filip1l A C 16: 57,391,025 (GRCm39) I538L possibly damaging Het
Gcnt2 T A 13: 41,071,831 (GRCm39) V158D probably damaging Het
Gnaq A G 19: 16,309,449 (GRCm39) N162S probably benign Het
Haus5 A T 7: 30,353,651 (GRCm39) N575K probably benign Het
Hjurp A T 1: 88,202,772 (GRCm39) Y71N possibly damaging Het
Igsf5 A G 16: 96,174,279 (GRCm39) D103G probably damaging Het
Myo10 A G 15: 25,726,569 (GRCm39) D297G possibly damaging Het
Net1 C T 13: 3,936,623 (GRCm39) R314H probably damaging Het
Or4b1c C A 2: 90,126,512 (GRCm39) R231L probably benign Het
Or4k51 T A 2: 111,584,897 (GRCm39) V101D probably damaging Het
Pcsk4 C A 10: 80,157,979 (GRCm39) Q586H probably null Het
Pramel11 A T 4: 143,623,706 (GRCm39) M156K probably benign Het
Prss1 A G 6: 41,440,131 (GRCm39) D156G possibly damaging Het
Rnf133 A T 6: 23,649,259 (GRCm39) N266K probably damaging Het
Setd2 G T 9: 110,446,595 (GRCm39) A2482S possibly damaging Het
Sgo2a A T 1: 58,055,726 (GRCm39) S637C probably damaging Het
Slc2a5 C A 4: 150,224,262 (GRCm39) S290* probably null Het
Spata6 T G 4: 111,625,992 (GRCm39) H120Q possibly damaging Het
Stk11 G A 10: 79,963,775 (GRCm39) V194I probably damaging Het
Traf3 G A 12: 111,209,952 (GRCm39) V183M possibly damaging Het
Trappc11 T C 8: 47,966,437 (GRCm39) Y483C probably damaging Het
Trappc9 T C 15: 72,785,215 (GRCm39) probably benign Het
Trim59 T C 3: 68,945,067 (GRCm39) H91R probably benign Het
Ttc21a A G 9: 119,781,278 (GRCm39) S484G probably benign Het
Usp13 A T 3: 32,969,947 (GRCm39) H691L probably benign Het
Vmn1r238 T C 18: 3,123,243 (GRCm39) Y57C probably benign Het
Vmn2r111 T A 17: 22,790,124 (GRCm39) Q294L possibly damaging Het
Vmn2r17 A G 5: 109,575,774 (GRCm39) D215G possibly damaging Het
Zfp280b A G 10: 75,875,183 (GRCm39) D354G probably benign Het
Zfp607a A G 7: 27,578,523 (GRCm39) H531R probably damaging Het
Zfp74 A T 7: 29,634,158 (GRCm39) C517S 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
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
R5777:Tkt UTSW 14 30,280,733 (GRCm39) missense possibly damaging 0.88
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'- CTTTTGTTCACAGCTACCGAG -3'
(R):5'- ACATCAGGTCTCTAGGGGAG -3'

Sequencing Primer
(F):5'- ACAGCTACCGAGTCTATTGCATG -3'
(R):5'- TCTCTAGGGGAGGAAGCCTGTC -3'
Posted On 2016-06-15