Incidental Mutation 'R1174:Idh1'
ID 99767
Institutional Source Beutler Lab
Gene Symbol Idh1
Ensembl Gene ENSMUSG00000025950
Gene Name isocitrate dehydrogenase 1 (NADP+), soluble
Synonyms IDPc, Idh-1, Id-1, E030024J03Rik
MMRRC Submission 039247-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1174 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 65197775-65225638 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 65200319 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Lysine at position 348 (N348K)
Ref Sequence ENSEMBL: ENSMUSP00000127307 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000097709] [ENSMUST00000169032]
AlphaFold O88844
Predicted Effect probably benign
Transcript: ENSMUST00000097709
AA Change: N348K

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000095316
Gene: ENSMUSG00000025950
AA Change: N348K

DomainStartEndE-ValueType
Iso_dh 9 401 1.05e-133 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000169032
AA Change: N348K

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000127307
Gene: ENSMUSG00000025950
AA Change: N348K

DomainStartEndE-ValueType
Iso_dh 9 401 1.05e-133 SMART
Meta Mutation Damage Score 0.0624 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.1%
  • 10x: 95.4%
  • 20x: 89.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Isocitrate dehydrogenases catalyze the oxidative decarboxylation of isocitrate to 2-oxoglutarate. These enzymes belong to two distinct subclasses, one of which utilizes NAD(+) as the electron acceptor and the other NADP(+). Five isocitrate dehydrogenases have been reported: three NAD(+)-dependent isocitrate dehydrogenases, which localize to the mitochondrial matrix, and two NADP(+)-dependent isocitrate dehydrogenases, one of which is mitochondrial and the other predominantly cytosolic. Each NADP(+)-dependent isozyme is a homodimer. The protein encoded by this gene is the NADP(+)-dependent isocitrate dehydrogenase found in the cytoplasm and peroxisomes. It contains the PTS-1 peroxisomal targeting signal sequence. The presence of this enzyme in peroxisomes suggests roles in the regeneration of NADPH for intraperoxisomal reductions, such as the conversion of 2, 4-dienoyl-CoAs to 3-enoyl-CoAs, as well as in peroxisomal reactions that consume 2-oxoglutarate, namely the alpha-hydroxylation of phytanic acid. The cytoplasmic enzyme serves a significant role in cytoplasmic NADPH production. Alternatively spliced transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Sep 2013]
PHENOTYPE: Electrophoretic variation has been shown in tissues of liver, kidney, spleen and muscle. Strains C57BL/6, C3H/He carry the a allele; DBA/2 carries the b allele; M.m. castaneus and M.m. molossinus carry the c allele; the d allele is found at low frequencyin M. m. molossinus in Japan. [provided by MGI curators]
Allele List at MGI

All alleles(14) : Targeted, other(3) Gene trapped(11)

Other mutations in this stock
Total: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610318N02Rik T A 16: 16,935,446 (GRCm39) H214L probably benign Het
Actn3 A G 19: 4,914,784 (GRCm39) L477P probably damaging Het
Adamts12 T C 15: 11,071,843 (GRCm39) V129A probably benign Het
Agxt2 T C 15: 10,373,837 (GRCm39) F81S probably damaging Het
Alpk1 T A 3: 127,474,459 (GRCm39) S515C probably damaging Het
Aoc1l3 C A 6: 48,967,173 (GRCm39) P707H probably damaging Het
Bivm A G 1: 44,165,942 (GRCm39) T131A probably benign Het
Borcs5 T A 6: 134,687,096 (GRCm39) N150K probably damaging Het
Cdh20 G A 1: 109,988,862 (GRCm39) V255I probably benign Het
Cox4i1 C A 8: 121,400,789 (GRCm39) N151K probably benign Het
Cpeb4 T C 11: 31,870,472 (GRCm39) L432P probably damaging Het
Dnajb11 T A 16: 22,689,423 (GRCm39) D281E probably damaging Het
Eml6 A G 11: 29,699,824 (GRCm39) S1771P possibly damaging Het
Fes A T 7: 80,027,699 (GRCm39) I815N probably damaging Het
Ghrhr T A 6: 55,365,254 (GRCm39) L416* probably null Het
Glipr1l2 C A 10: 111,919,371 (GRCm39) L31I possibly damaging Het
Gm1818 A G 12: 48,602,982 (GRCm39) noncoding transcript Het
Gpr149 A G 3: 62,511,888 (GRCm39) L37P probably damaging Het
Hdac1-ps A T 17: 78,799,507 (GRCm39) Y166F probably benign Het
Hoxa9 A G 6: 52,202,693 (GRCm39) I131T probably damaging Het
Klf6 A G 13: 5,911,711 (GRCm39) D25G probably benign Het
Laptm4a T C 12: 8,986,716 (GRCm39) V258A probably damaging Het
Lypd6b C T 2: 49,833,609 (GRCm39) A83V possibly damaging Het
Map3k19 A G 1: 127,751,617 (GRCm39) V578A probably benign Het
Mfsd13a T A 19: 46,363,125 (GRCm39) I511N probably benign Het
Mrm3 T C 11: 76,140,850 (GRCm39) V286A probably damaging Het
Muc6 C T 7: 141,234,368 (GRCm39) G708S probably damaging Het
Neurl4 T C 11: 69,794,547 (GRCm39) probably null Het
Pclo T C 5: 14,727,660 (GRCm39) probably benign Het
Pcnt A T 10: 76,228,878 (GRCm39) probably null Het
Pik3r4 G T 9: 105,540,373 (GRCm39) G754C probably damaging Het
Qtrt1 A G 9: 21,323,782 (GRCm39) T136A probably benign Het
Rgs12 T A 5: 35,123,809 (GRCm39) C531S probably benign Het
Rin1 C A 19: 5,105,231 (GRCm39) Q764K probably benign Het
Robo4 C T 9: 37,324,348 (GRCm39) R959W probably damaging Het
Rxfp2 T C 5: 149,975,021 (GRCm39) V210A probably benign Het
Serpinb9d C T 13: 33,384,608 (GRCm39) P195L probably benign Het
Sos1 A C 17: 80,753,037 (GRCm39) Y323* probably null Het
Spmip4 T A 6: 50,566,121 (GRCm39) K118M probably damaging Het
Ssxb8 T G X: 8,556,062 (GRCm39) H88P probably damaging Het
Tas2r140 T C 6: 133,031,834 (GRCm39) E308G probably benign Het
Tdo2 A T 3: 81,881,683 (GRCm39) S40R probably damaging Het
Tle4 C T 19: 14,445,626 (GRCm39) V207I probably benign Het
Txlnb A G 10: 17,718,504 (GRCm39) N445S probably benign Het
Ubap2l A T 3: 89,930,807 (GRCm39) S413T probably benign Het
Vangl2 G T 1: 171,832,353 (GRCm39) T501N probably damaging Het
Vmn2r12 A T 5: 109,240,720 (GRCm39) I131N probably benign Het
Vwa1 C T 4: 155,857,723 (GRCm39) G25D probably damaging Het
Zfp185 A T X: 72,042,929 (GRCm39) E138D possibly damaging Het
Other mutations in Idh1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00786:Idh1 APN 1 65,205,402 (GRCm39) missense probably damaging 1.00
IGL00790:Idh1 APN 1 65,205,281 (GRCm39) missense possibly damaging 0.94
IGL00979:Idh1 APN 1 65,210,308 (GRCm39) missense probably damaging 1.00
IGL01397:Idh1 APN 1 65,207,754 (GRCm39) missense possibly damaging 0.62
IGL02226:Idh1 APN 1 65,201,081 (GRCm39) missense probably damaging 1.00
IGL02933:Idh1 APN 1 65,201,072 (GRCm39) missense probably damaging 1.00
B5639:Idh1 UTSW 1 65,204,257 (GRCm39) critical splice donor site probably null
R0310:Idh1 UTSW 1 65,201,079 (GRCm39) missense probably damaging 1.00
R0865:Idh1 UTSW 1 65,200,315 (GRCm39) missense probably benign
R1172:Idh1 UTSW 1 65,200,319 (GRCm39) missense probably benign 0.00
R1173:Idh1 UTSW 1 65,200,319 (GRCm39) missense probably benign 0.00
R1535:Idh1 UTSW 1 65,207,697 (GRCm39) missense probably damaging 1.00
R1833:Idh1 UTSW 1 65,200,273 (GRCm39) missense probably benign
R2135:Idh1 UTSW 1 65,201,078 (GRCm39) missense probably damaging 1.00
R5434:Idh1 UTSW 1 65,214,495 (GRCm39) missense probably benign 0.00
R5478:Idh1 UTSW 1 65,200,997 (GRCm39) missense probably benign 0.04
R5633:Idh1 UTSW 1 65,204,295 (GRCm39) missense probably damaging 1.00
R6152:Idh1 UTSW 1 65,198,689 (GRCm39) missense probably damaging 1.00
R6249:Idh1 UTSW 1 65,205,378 (GRCm39) missense probably damaging 1.00
R6252:Idh1 UTSW 1 65,207,690 (GRCm39) missense probably benign
R7238:Idh1 UTSW 1 65,205,284 (GRCm39) missense probably damaging 1.00
R7754:Idh1 UTSW 1 65,198,649 (GRCm39) missense probably benign 0.00
R7819:Idh1 UTSW 1 65,204,277 (GRCm39) missense probably damaging 1.00
R8064:Idh1 UTSW 1 65,205,338 (GRCm39) missense probably damaging 1.00
R8078:Idh1 UTSW 1 65,200,225 (GRCm39) missense probably damaging 0.97
R8187:Idh1 UTSW 1 65,198,700 (GRCm39) missense probably damaging 0.98
R8778:Idh1 UTSW 1 65,204,347 (GRCm39) frame shift probably null
R8779:Idh1 UTSW 1 65,204,347 (GRCm39) frame shift probably null
R8791:Idh1 UTSW 1 65,204,347 (GRCm39) frame shift probably null
R8794:Idh1 UTSW 1 65,204,347 (GRCm39) frame shift probably null
R8795:Idh1 UTSW 1 65,204,347 (GRCm39) frame shift probably null
R8799:Idh1 UTSW 1 65,204,347 (GRCm39) frame shift probably null
R8802:Idh1 UTSW 1 65,204,347 (GRCm39) frame shift probably null
R8805:Idh1 UTSW 1 65,204,347 (GRCm39) frame shift probably null
R8935:Idh1 UTSW 1 65,204,378 (GRCm39) missense probably damaging 1.00
R9243:Idh1 UTSW 1 65,207,656 (GRCm39) critical splice donor site probably null
R9326:Idh1 UTSW 1 65,205,416 (GRCm39) missense probably damaging 1.00
Predicted Primers
Posted On 2014-01-15