Incidental Mutation 'ANU23:Idh3a'
ID 262640
Institutional Source Beutler Lab
Gene Symbol Idh3a
Ensembl Gene ENSMUSG00000032279
Gene Name isocitrate dehydrogenase 3 (NAD+) alpha
Synonyms 1500012E04Rik
Accession Numbers
Essential gene? Probably essential (E-score: 0.969) question?
Stock # ANU23
Quality Score 211
Status Not validated
Chromosome 9
Chromosomal Location 54493795-54511946 bp(+) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) T to A at 54493829 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000150296 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000167866] [ENSMUST00000215273] [ENSMUST00000217484]
AlphaFold Q9D6R2
Predicted Effect probably null
Transcript: ENSMUST00000167866
SMART Domains Protein: ENSMUSP00000127526
Gene: ENSMUSG00000032279

DomainStartEndE-ValueType
Iso_dh 33 358 1.37e-169 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000213729
Predicted Effect probably benign
Transcript: ENSMUST00000215273
Predicted Effect probably null
Transcript: ENSMUST00000217484
Coding Region Coverage
  • 1x: 98.7%
  • 3x: 98.2%
  • 10x: 96.6%
  • 20x: 93.8%
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. 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: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abhd12b G A 12: 70,215,822 (GRCm39) G88S probably damaging Het
Acot10 A G 15: 20,666,051 (GRCm39) F230S probably benign Het
Akap12 G T 10: 4,303,273 (GRCm39) A28S probably benign Het
Anks1 C A 17: 28,205,227 (GRCm39) T262K probably damaging Het
Arfgap3 A G 15: 83,197,710 (GRCm39) Y349H possibly damaging Het
Cacna1g G A 11: 94,357,054 (GRCm39) probably benign Het
Camsap2 T A 1: 136,225,528 (GRCm39) E199D probably benign Het
Ccdc13 A T 9: 121,656,429 (GRCm39) M128K probably benign Het
Ccdc38 T C 10: 93,405,797 (GRCm39) probably null Het
Cep95 G A 11: 106,704,641 (GRCm39) V499I probably benign Het
Cpne6 G C 14: 55,749,459 (GRCm39) M6I probably benign Het
Cpne6 A T 14: 55,752,706 (GRCm39) I299F probably damaging Het
Cse1l T A 2: 166,769,428 (GRCm39) Y278* probably null Het
Dip2c A G 13: 9,625,179 (GRCm39) N558D possibly damaging Het
Edar A T 10: 58,464,460 (GRCm39) C60S probably damaging Het
Fat2 T C 11: 55,201,698 (GRCm39) N459D probably benign Het
Fbxw8 C T 5: 118,251,785 (GRCm39) V243M possibly damaging Het
Fem1b G A 9: 62,704,810 (GRCm39) A150V possibly damaging Het
Gm5422 A T 10: 31,125,432 (GRCm39) noncoding transcript Het
Gpatch3 CAGGAGGAGGAGGAGGAG CAGGAGGAGGAGGAG 4: 133,305,613 (GRCm39) probably benign Het
Grin2c T C 11: 115,147,020 (GRCm39) T392A probably benign Het
Itpk1 T C 12: 102,572,362 (GRCm39) E117G probably damaging Het
Kif12 G T 4: 63,084,121 (GRCm39) P627Q probably damaging Het
Krtap15-1 T A 16: 88,626,255 (GRCm39) F88L probably benign Het
Mcm7 C T 5: 138,168,653 (GRCm39) V13I probably benign Het
Mlh1 T C 9: 111,081,980 (GRCm39) N248D possibly damaging Het
Or2i1 T C 17: 37,507,833 (GRCm39) N342S probably benign Het
Or4k15 A G 14: 50,364,039 (GRCm39) N2D probably benign Het
Or52z12 T C 7: 103,233,900 (GRCm39) Y224H probably damaging Het
Per2 T C 1: 91,376,555 (GRCm39) H106R probably damaging Het
Pfkl T A 10: 77,827,229 (GRCm39) T486S probably benign Het
Prkdc T C 16: 15,485,595 (GRCm39) V474A possibly damaging Het
Scamp4 C A 10: 80,445,256 (GRCm39) Q34K probably damaging Het
Serpinb3b A G 1: 107,082,395 (GRCm39) Y290H probably damaging Het
Sft2d2 G T 1: 165,011,564 (GRCm39) A110E probably benign Het
Siglecf T A 7: 43,001,377 (GRCm39) L115* probably null Het
Slc6a11 C T 6: 114,111,626 (GRCm39) T103M probably damaging Het
Slco1a1 T A 6: 141,892,313 (GRCm39) K18* probably null Het
Spata1 A T 3: 146,193,154 (GRCm39) Y112* probably null Het
Tbc1d32 G A 10: 56,056,620 (GRCm39) T440I probably benign Het
Vmn1r159 A G 7: 22,542,588 (GRCm39) V148A probably damaging Het
Wnt16 C T 6: 22,297,934 (GRCm39) R267C probably damaging Het
Xylt1 A C 7: 117,148,125 (GRCm39) S230R probably benign Het
Zfp334 T C 2: 165,223,017 (GRCm39) H342R probably damaging Het
Other mutations in Idh3a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01534:Idh3a APN 9 54,508,506 (GRCm39) splice site probably benign
IGL02547:Idh3a APN 9 54,499,679 (GRCm39) missense probably benign 0.00
IGL02593:Idh3a APN 9 54,503,477 (GRCm39) splice site probably benign
IGL03408:Idh3a APN 9 54,504,206 (GRCm39) missense probably benign 0.00
R2496:Idh3a UTSW 9 54,510,633 (GRCm39) missense probably benign 0.20
R3709:Idh3a UTSW 9 54,493,810 (GRCm39) missense possibly damaging 0.83
R3877:Idh3a UTSW 9 54,499,679 (GRCm39) missense probably benign 0.00
R4962:Idh3a UTSW 9 54,503,325 (GRCm39) missense possibly damaging 0.86
R6054:Idh3a UTSW 9 54,493,829 (GRCm39) critical splice donor site probably null
R7246:Idh3a UTSW 9 54,499,756 (GRCm39) missense probably damaging 1.00
R7426:Idh3a UTSW 9 54,508,492 (GRCm39) missense probably benign
R7450:Idh3a UTSW 9 54,503,367 (GRCm39) missense probably damaging 1.00
R7678:Idh3a UTSW 9 54,502,453 (GRCm39) missense probably damaging 1.00
R8491:Idh3a UTSW 9 54,506,963 (GRCm39) critical splice donor site probably null
R9121:Idh3a UTSW 9 54,493,829 (GRCm39) critical splice donor site probably null
R9654:Idh3a UTSW 9 54,497,182 (GRCm39) missense probably benign
Z1177:Idh3a UTSW 9 54,503,433 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- TGATTGGTCCCCTAATAGGTCGGAAAC -3'
(R):5'- TCACCTCGAAAACCCTCTTGCG -3'

Sequencing Primer
(F):5'- CAGCTTTTCAATGAATGAAGCGG -3'
(R):5'- TTTACCCGGTCAAAGGCTGAG -3'
Posted On 2015-02-04