Incidental Mutation 'R1117:Slc19a2'
ID 97382
Institutional Source Beutler Lab
Gene Symbol Slc19a2
Ensembl Gene ENSMUSG00000040918
Gene Name solute carrier family 19 (thiamine transporter), member 2
Synonyms TRMA, DDA1, THTR1
MMRRC Submission 039190-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.159) question?
Stock # R1117 (G1)
Quality Score 219
Status Not validated
Chromosome 1
Chromosomal Location 164076615-164092954 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 164091025 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 278 (I278F)
Ref Sequence ENSEMBL: ENSMUSP00000131327 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000044021] [ENSMUST00000159230] [ENSMUST00000169394]
AlphaFold Q9EQN9
Predicted Effect probably benign
Transcript: ENSMUST00000044021
AA Change: I479F

PolyPhen 2 Score 0.100 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000037561
Gene: ENSMUSG00000040918
AA Change: I479F

DomainStartEndE-ValueType
low complexity region 5 24 N/A INTRINSIC
Pfam:Folate_carrier 28 459 2.7e-180 PFAM
Pfam:MFS_1 34 441 2.6e-11 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000159230
AA Change: I441F

PolyPhen 2 Score 0.261 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000123870
Gene: ENSMUSG00000040918
AA Change: I441F

DomainStartEndE-ValueType
low complexity region 5 24 N/A INTRINSIC
Pfam:Folate_carrier 28 421 1.6e-176 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000160773
Predicted Effect possibly damaging
Transcript: ENSMUST00000169394
AA Change: I278F

PolyPhen 2 Score 0.858 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000131327
Gene: ENSMUSG00000040918
AA Change: I278F

DomainStartEndE-ValueType
low complexity region 5 24 N/A INTRINSIC
Pfam:Folate_carrier 28 70 3.7e-17 PFAM
Pfam:Folate_carrier 65 258 6.7e-85 PFAM
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.1%
  • 10x: 95.6%
  • 20x: 90.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes the thiamin transporter protein. Mutations in this gene cause thiamin-responsive megaloblastic anemia syndrome (TRMA), which is an autosomal recessive disorder characterized by diabetes mellitus, megaloblastic anemia and sensorineural deafness. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Feb 2016]
PHENOTYPE: Homozygotes for targeted null alleles exhibit a grossly normal phenotype except for reduced testis size and male infertility. On a low-thiamine diet, mutants show premature death and sensorineural deafness, while homozygotes for one targeted allele also display diabetes mellitus and megaloblastosis. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 30 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aldh1l2 G A 10: 83,344,487 (GRCm39) T353I probably benign Het
Arpc1b T C 5: 145,062,564 (GRCm39) V226A possibly damaging Het
Casz1 C A 4: 149,019,052 (GRCm39) T451K probably damaging Het
Ccr4 C T 9: 114,321,085 (GRCm39) V327M probably benign Het
Cntrl A G 2: 35,017,985 (GRCm39) E465G probably damaging Het
Cpa1 A G 6: 30,645,260 (GRCm39) D412G probably benign Het
Crispld1 T A 1: 17,819,846 (GRCm39) N281K probably benign Het
Cul3 T C 1: 80,258,641 (GRCm39) Q465R probably damaging Het
Cyp2c68 G A 19: 39,700,903 (GRCm39) T305M probably damaging Het
Elp4 T C 2: 105,672,656 (GRCm39) D143G probably benign Het
Etnppl A G 3: 130,428,212 (GRCm39) I462M probably benign Het
Fmo4 A G 1: 162,631,232 (GRCm39) V245A probably benign Het
Gm4076 A G 13: 85,275,437 (GRCm39) noncoding transcript Het
Gtf3c3 C T 1: 54,456,937 (GRCm39) A488T probably damaging Het
Kcnj15 G A 16: 95,096,484 (GRCm39) M8I probably benign Het
Klk1b22 A T 7: 43,766,283 (GRCm39) M255L probably benign Het
Mmrn1 T A 6: 60,953,309 (GRCm39) I530K possibly damaging Het
Muc21 T C 17: 35,930,920 (GRCm39) probably benign Het
Nid2 A C 14: 19,813,732 (GRCm39) probably null Het
Or10g6 T C 9: 39,934,058 (GRCm39) F123S probably damaging Het
Or10h28 C T 17: 33,487,940 (GRCm39) R81* probably null Het
Or9e1 A G 11: 58,732,641 (GRCm39) K234E possibly damaging Het
Peak1 G A 9: 56,165,702 (GRCm39) T742M probably benign Het
Sel1l3 T A 5: 53,329,949 (GRCm39) T469S probably benign Het
Sez6 A G 11: 77,865,340 (GRCm39) Y659C probably damaging Het
Slc36a3 T C 11: 55,037,006 (GRCm39) I100V possibly damaging Het
Tcerg1 A G 18: 42,707,717 (GRCm39) D1079G probably damaging Het
Trim43c T C 9: 88,727,030 (GRCm39) S286P probably benign Het
Umod T C 7: 119,076,529 (GRCm39) N79S possibly damaging Het
Wdr43 A G 17: 71,923,382 (GRCm39) T43A probably benign Het
Other mutations in Slc19a2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01464:Slc19a2 APN 1 164,088,430 (GRCm39) missense probably damaging 1.00
IGL03231:Slc19a2 APN 1 164,088,449 (GRCm39) missense probably damaging 1.00
R0324:Slc19a2 UTSW 1 164,084,344 (GRCm39) missense probably damaging 1.00
R0709:Slc19a2 UTSW 1 164,084,367 (GRCm39) missense probably damaging 1.00
R1165:Slc19a2 UTSW 1 164,091,014 (GRCm39) missense probably damaging 1.00
R1463:Slc19a2 UTSW 1 164,084,766 (GRCm39) missense probably damaging 0.98
R1833:Slc19a2 UTSW 1 164,089,753 (GRCm39) missense probably damaging 1.00
R2148:Slc19a2 UTSW 1 164,089,657 (GRCm39) missense probably damaging 1.00
R2680:Slc19a2 UTSW 1 164,076,982 (GRCm39) missense probably damaging 1.00
R4010:Slc19a2 UTSW 1 164,088,451 (GRCm39) missense probably damaging 1.00
R5850:Slc19a2 UTSW 1 164,091,025 (GRCm39) missense probably benign 0.00
R6279:Slc19a2 UTSW 1 164,084,344 (GRCm39) missense probably damaging 1.00
R6300:Slc19a2 UTSW 1 164,084,344 (GRCm39) missense probably damaging 1.00
R6907:Slc19a2 UTSW 1 164,090,323 (GRCm39) missense possibly damaging 0.79
R6917:Slc19a2 UTSW 1 164,088,578 (GRCm39) missense probably damaging 1.00
R6982:Slc19a2 UTSW 1 164,084,428 (GRCm39) missense possibly damaging 0.88
R6993:Slc19a2 UTSW 1 164,088,391 (GRCm39) missense probably benign 0.00
R7424:Slc19a2 UTSW 1 164,088,445 (GRCm39) missense probably benign 0.31
R7575:Slc19a2 UTSW 1 164,084,691 (GRCm39) missense probably damaging 1.00
R8193:Slc19a2 UTSW 1 164,084,794 (GRCm39) missense probably benign 0.13
R8831:Slc19a2 UTSW 1 164,084,443 (GRCm39) missense probably damaging 1.00
R9424:Slc19a2 UTSW 1 164,076,895 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AAAGCAGTAGTGCAGATGCTCCC -3'
(R):5'- AAAGCTTCCGGCTTCTCTTAGCAG -3'

Sequencing Primer
(F):5'- TGCAGATGCTCCCAGAATG -3'
(R):5'- CTCCAAGACTGCAAGGTGTTAG -3'
Posted On 2014-01-05