Incidental Mutation 'R3709:Idh3a'
Institutional Source Beutler Lab
Gene Symbol Idh3a
Ensembl Gene ENSMUSG00000032279
Gene Nameisocitrate dehydrogenase 3 (NAD+) alpha
MMRRC Submission 040702-MU
Accession Numbers
Is this an essential gene? Probably essential (E-score: 0.953) question?
Stock #R3709 (G1)
Quality Score225
Status Validated
Chromosomal Location54586334-54604661 bp(+) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) T to C at 54586526 bp
Amino Acid Change Serine to Proline at position 4 (S4P)
Ref Sequence ENSEMBL: ENSMUSP00000149036 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000167866] [ENSMUST00000215273] [ENSMUST00000217484]
Predicted Effect probably benign
Transcript: ENSMUST00000167866
AA Change: S4P

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000127526
Gene: ENSMUSG00000032279
AA Change: S4P

Iso_dh 33 358 1.37e-169 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000213729
Predicted Effect possibly damaging
Transcript: ENSMUST00000215273
AA Change: S4P

PolyPhen 2 Score 0.827 (Sensitivity: 0.84; Specificity: 0.93)
Predicted Effect probably benign
Transcript: ENSMUST00000217484
AA Change: S22P

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
Meta Mutation Damage Score 0.1795 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 93.9%
Validation Efficiency 98% (50/51)
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. NAD(+)-dependent isocitrate dehydrogenases catalyze the allosterically regulated rate-limiting step of the tricarboxylic acid cycle. Each isozyme is a heterotetramer that is composed of two alpha subunits, one beta subunit, and one gamma subunit. The protein encoded by this gene is the alpha subunit of one isozyme of NAD(+)-dependent isocitrate dehydrogenase. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for an ENU-induced mutation exhibit progressive retinal degeneration and decreased visual acuity. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9930111J21Rik2 T G 11: 49,019,653 D651A probably damaging Het
Abcb1a A G 5: 8,738,738 N1039S probably benign Het
Abcc2 G T 19: 43,798,446 V169F possibly damaging Het
Adcy8 T C 15: 64,725,535 probably benign Het
Aida C A 1: 183,304,675 probably null Het
Armc8 A G 9: 99,520,497 I333T probably damaging Het
B4galt3 C A 1: 171,274,043 H196N probably damaging Het
Ccdc92b C A 11: 74,638,107 R146S probably damaging Het
Cdc42bpa A G 1: 180,065,063 D264G probably damaging Het
Cenpf A G 1: 189,648,812 S2804P possibly damaging Het
Cic A G 7: 25,286,981 D1276G probably damaging Het
Cldn19 T C 4: 119,256,897 S79P possibly damaging Het
Ctdp1 G A 18: 80,450,213 Q356* probably null Het
Cyp2c69 A G 19: 39,851,223 probably benign Het
D3Ertd254e T A 3: 36,159,576 C20S possibly damaging Het
Dhrs3 T C 4: 144,893,711 probably null Het
Fhod3 T A 18: 25,090,758 W1054R probably damaging Het
Gfral G A 9: 76,193,443 R238* probably null Het
Gm10322 C A 10: 59,616,119 D19E possibly damaging Het
Gprc6a CAAA CA 10: 51,615,680 probably null Het
Il15ra G T 2: 11,730,647 probably null Het
Ipo8 A T 6: 148,806,344 probably null Het
Iqgap1 G A 7: 80,717,087 T1595I possibly damaging Het
Kalrn C T 16: 34,392,030 probably null Het
Klrb1a T C 6: 128,618,503 D96G probably benign Het
Lrp1b C T 2: 40,697,442 V165M unknown Het
Lrp4 A C 2: 91,490,466 T975P possibly damaging Het
Lsm14a T A 7: 34,353,779 I283F probably damaging Het
Mael T C 1: 166,238,566 D34G probably damaging Het
Map2 C T 1: 66,415,856 Q1302* probably null Het
Mctp1 T C 13: 76,824,880 probably null Het
Mlxip T C 5: 123,447,474 V642A probably benign Het
Myh9 T C 15: 77,773,347 E1066G possibly damaging Het
Naa35 T A 13: 59,618,032 probably benign Het
Nacc1 T A 8: 84,677,199 I16F probably damaging Het
Ncapd3 T A 9: 27,052,349 N499K probably benign Het
Olfr479 A G 7: 108,055,797 M272V possibly damaging Het
Osbpl10 C A 9: 115,207,587 P253Q probably benign Het
Ptpn21 G T 12: 98,688,541 S722R probably benign Het
Rab44 C T 17: 29,139,869 P344S probably benign Het
Rbms2 C T 10: 128,143,443 R139Q probably damaging Het
Sh3bp2 T C 5: 34,551,658 Y32H probably damaging Het
Slc6a15 A G 10: 103,393,414 I105V probably benign Het
Thumpd3 A G 6: 113,055,691 D130G possibly damaging Het
Trib1 A G 15: 59,654,361 Y260C probably damaging Het
Tsks G T 7: 44,951,885 R208L possibly damaging Het
Ttn G T 2: 76,747,241 S22690* probably null Het
Ttyh2 T G 11: 114,719,132 S510A possibly damaging Het
Was G T X: 8,086,688 S271R probably benign Het
Zfp472 T A 17: 32,977,711 Y253* probably null Het
Other mutations in Idh3a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01534:Idh3a APN 9 54601222 splice site probably benign
IGL02547:Idh3a APN 9 54592395 missense probably benign 0.00
IGL02593:Idh3a APN 9 54596193 splice site probably benign
IGL03408:Idh3a APN 9 54596922 missense probably benign 0.00
ANU23:Idh3a UTSW 9 54586545 critical splice donor site probably null
R2496:Idh3a UTSW 9 54603349 missense probably benign 0.20
R3877:Idh3a UTSW 9 54592395 missense probably benign 0.00
R4962:Idh3a UTSW 9 54596041 missense possibly damaging 0.86
R6054:Idh3a UTSW 9 54586545 critical splice donor site probably benign
R7246:Idh3a UTSW 9 54592472 missense probably damaging 1.00
R7426:Idh3a UTSW 9 54601208 missense probably benign
R7450:Idh3a UTSW 9 54596083 missense probably damaging 1.00
R7678:Idh3a UTSW 9 54595169 missense probably damaging 1.00
R8491:Idh3a UTSW 9 54599679 critical splice donor site probably null
Z1177:Idh3a UTSW 9 54596149 missense probably damaging 0.99
Predicted Primers PCR Primer

Sequencing Primer
Posted On2015-01-23