Incidental Mutation 'R6089:Tdo2'
ID 484639
Institutional Source Beutler Lab
Gene Symbol Tdo2
Ensembl Gene ENSMUSG00000028011
Gene Name tryptophan 2,3-dioxygenase
Synonyms chky, TO, TDO
MMRRC Submission 044246-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.148) question?
Stock # R6089 (G1)
Quality Score 225.009
Status Not validated
Chromosome 3
Chromosomal Location 81957090-81976202 bp(-) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) T to C at 81962728 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 279 (Y279C)
Ref Sequence ENSEMBL: ENSMUSP00000141237 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029645] [ENSMUST00000193879]
AlphaFold P48776
Predicted Effect probably damaging
Transcript: ENSMUST00000029645
AA Change: Y298C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000029645
Gene: ENSMUSG00000028011
AA Change: Y298C

DomainStartEndE-ValueType
Pfam:Trp_dioxygenase 26 372 8e-177 PFAM
low complexity region 393 406 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000137974
Predicted Effect noncoding transcript
Transcript: ENSMUST00000151089
Predicted Effect probably damaging
Transcript: ENSMUST00000193879
AA Change: Y279C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000141237
Gene: ENSMUSG00000028011
AA Change: Y279C

DomainStartEndE-ValueType
Pfam:Trp_dioxygenase 7 353 1.4e-174 PFAM
low complexity region 374 387 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.8%
  • 20x: 93.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a heme enzyme that plays a critical role in tryptophan metabolism by catalyzing the first and rate-limiting step of the kynurenine pathway. Increased activity of the encoded protein and subsequent kynurenine production may also play a role in cancer through the suppression of antitumor immune responses, and single nucleotide polymorphisms in this gene may be associated with autism. [provided by RefSeq, Feb 2012]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit increased plasma and brain levels of tryptophan, increased serotonin levels in the brain, decreased anxiety-related behavior, increased neuronal precursor proliferation and accelerated neurogenesis in the granule cell layer of the olfactory bulb. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9030624J02Rik T G 7: 118,746,435 S59A possibly damaging Het
A830010M20Rik C T 5: 107,507,029 A386V probably damaging Het
Actr3 A G 1: 125,407,395 V95A probably damaging Het
Ankrd40 A T 11: 94,333,925 K53N probably damaging Het
Ash1l C T 3: 89,053,143 Q2338* probably null Het
Astn2 A G 4: 65,794,573 F610S probably damaging Het
Baz2a TCTCCTC TCTC 10: 128,114,642 probably benign Het
Calm4 A T 13: 3,837,874 probably benign Het
Card10 T C 15: 78,802,414 T68A probably benign Het
Cars2 A G 8: 11,530,301 M245T probably damaging Het
Cat C A 2: 103,472,951 L160F probably null Het
Cers5 G T 15: 99,741,002 T144K probably benign Het
Cyp3a13 T A 5: 137,909,953 L211F probably benign Het
Defb4 A T 8: 19,201,305 R63* probably null Het
Dnah14 G T 1: 181,750,154 W3012L probably damaging Het
Dusp18 A G 11: 3,897,555 T182A probably benign Het
Dzip1l C A 9: 99,642,684 T286K possibly damaging Het
Eif2ak3 A T 6: 70,896,934 T944S possibly damaging Het
Fbn1 A T 2: 125,321,225 I2119N possibly damaging Het
Gabbr2 A G 4: 46,846,448 S154P probably damaging Het
Gm15440 A T 13: 51,691,401 H107Q unknown Het
Grm2 G A 9: 106,653,891 P133L probably damaging Het
Gsdme A G 6: 50,251,305 V61A probably damaging Het
Gtpbp1 A G 15: 79,706,997 T23A probably benign Het
Helz A T 11: 107,595,137 probably null Het
Herc1 A C 9: 66,445,532 H2100P probably damaging Het
Hjurp GT GTT 1: 88,266,524 probably null Het
Ifngr1 T C 10: 19,606,300 S213P probably benign Het
Itgb7 T C 15: 102,217,286 D636G probably benign Het
Mre11a G A 9: 14,819,464 D491N probably benign Het
Muc16 A G 9: 18,643,252 L3915P unknown Het
Myh1 T A 11: 67,202,167 probably null Het
Myh1 T G 11: 67,220,787 probably null Het
Myh7b C T 2: 155,622,489 T608M probably damaging Het
Myof T C 19: 37,967,060 K23E probably benign Het
Nacad A G 11: 6,601,331 V620A probably benign Het
Pbrm1 T C 14: 31,087,585 Y1121H probably damaging Het
Pcdha9 T C 18: 36,998,498 F207L probably benign Het
Pcdhb10 T C 18: 37,413,626 V585A possibly damaging Het
Pigg A T 5: 108,341,922 M798L probably benign Het
Poc5 G T 13: 96,396,671 M102I probably damaging Het
Ppp2r3a T A 9: 101,211,636 Q496L probably benign Het
Ptprf A G 4: 118,211,084 Y1752H probably damaging Het
Ptpru G C 4: 131,772,630 S1244R possibly damaging Het
Rnf213 A G 11: 119,416,559 K682E probably benign Het
Rtp3 T C 9: 110,986,973 D170G probably benign Het
Sall4 T C 2: 168,755,486 D478G possibly damaging Het
Scai A T 2: 39,083,554 Y58* probably null Het
Simc1 G A 13: 54,528,490 V1007M probably benign Het
Tcf20 G T 15: 82,853,208 D1347E probably benign Het
Trdn C T 10: 33,464,575 P602S probably benign Het
Txndc5 A T 13: 38,523,416 M1K probably null Het
Ubr2 A C 17: 46,982,292 M356R possibly damaging Het
Uqcrc2 A T 7: 120,654,009 D332V probably damaging Het
Usp48 T C 4: 137,605,818 F108L probably damaging Het
Vill A G 9: 119,057,799 N4S probably benign Het
Vmn1r11 T C 6: 57,137,660 V103A possibly damaging Het
Vmn2r98 A G 17: 19,066,074 D278G probably benign Het
Wfdc15a A T 2: 164,199,666 L79* probably null Het
Xxylt1 C T 16: 31,080,981 V119M probably damaging Het
Zfp26 G T 9: 20,437,693 A525D probably damaging Het
Zgrf1 G A 3: 127,595,993 G396D probably damaging Het
Zkscan16 A G 4: 58,948,889 D148G possibly damaging Het
Zscan26 G T 13: 21,448,329 S77R probably damaging Het
Other mutations in Tdo2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02127:Tdo2 APN 3 81958925 missense probably damaging 0.99
IGL02129:Tdo2 APN 3 81958925 missense probably damaging 0.99
IGL02271:Tdo2 APN 3 81963917 splice site probably benign
IGL02686:Tdo2 APN 3 81968155 missense probably benign 0.00
IGL02802:Tdo2 APN 3 81975697 intron probably benign
IGL03171:Tdo2 APN 3 81967029 missense probably benign
IGL03285:Tdo2 APN 3 81958789 splice site probably null
R0052:Tdo2 UTSW 3 81967025 missense probably benign 0.37
R0052:Tdo2 UTSW 3 81967025 missense probably benign 0.37
R0335:Tdo2 UTSW 3 81964000 missense probably benign
R0720:Tdo2 UTSW 3 81962758 missense probably damaging 1.00
R1174:Tdo2 UTSW 3 81974376 missense probably damaging 1.00
R1175:Tdo2 UTSW 3 81974376 missense probably damaging 1.00
R1222:Tdo2 UTSW 3 81961468 splice site probably null
R1418:Tdo2 UTSW 3 81961468 splice site probably null
R1868:Tdo2 UTSW 3 81960546 missense probably benign 0.04
R1918:Tdo2 UTSW 3 81958940 missense probably damaging 1.00
R2031:Tdo2 UTSW 3 81969505 missense probably damaging 1.00
R2513:Tdo2 UTSW 3 81969505 missense possibly damaging 0.91
R3615:Tdo2 UTSW 3 81975428 missense possibly damaging 0.68
R3616:Tdo2 UTSW 3 81975428 missense possibly damaging 0.68
R3872:Tdo2 UTSW 3 81968086 missense probably benign 0.08
R5260:Tdo2 UTSW 3 81975323 critical splice donor site probably null
R5547:Tdo2 UTSW 3 81958940 missense probably damaging 1.00
R6029:Tdo2 UTSW 3 81961440 missense probably damaging 1.00
R6163:Tdo2 UTSW 3 81975403 missense possibly damaging 0.49
R6379:Tdo2 UTSW 3 81958795 unclassified probably benign
R7060:Tdo2 UTSW 3 81969559 missense probably damaging 1.00
R7544:Tdo2 UTSW 3 81971635 critical splice donor site probably null
R7585:Tdo2 UTSW 3 81962758 missense probably damaging 1.00
R7724:Tdo2 UTSW 3 81968083 critical splice donor site probably null
R8942:Tdo2 UTSW 3 81969544 missense probably benign 0.22
R9276:Tdo2 UTSW 3 81969578 missense probably benign
R9612:Tdo2 UTSW 3 81971694 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GACACGCAATGCTCTCAATAAG -3'
(R):5'- TGTGAACTCCAGATCAGGGC -3'

Sequencing Primer
(F):5'- GTCTGTACATGTGTATAAACAGCCC -3'
(R):5'- TCAGGGCTAAAACTCCTTGG -3'
Posted On 2017-08-16