Incidental Mutation 'R4415:Impdh1'
ID 500610
Institutional Source Beutler Lab
Gene Symbol Impdh1
Ensembl Gene ENSMUSG00000003500
Gene Name inosine monophosphate dehydrogenase 1
Synonyms B930086D20Rik
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.262) question?
Stock # R4415 (G1)
Quality Score 225
Status Not validated
Chromosome 6
Chromosomal Location 29200435-29216363 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 29209221 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Methionine at position 49 (V49M)
Ref Sequence ENSEMBL: ENSMUSP00000125235 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000078155] [ENSMUST00000159124] [ENSMUST00000160749] [ENSMUST00000160878] [ENSMUST00000162099] [ENSMUST00000162215] [ENSMUST00000162739]
AlphaFold P50096
Predicted Effect probably damaging
Transcript: ENSMUST00000078155
AA Change: V49M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000077289
Gene: ENSMUSG00000003500
AA Change: V49M

DomainStartEndE-ValueType
IMPDH 28 504 6.73e-263 SMART
CBS 117 168 6.49e-10 SMART
CBS 184 232 3.37e-8 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000159124
AA Change: V49M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000124931
Gene: ENSMUSG00000003500
AA Change: V49M

DomainStartEndE-ValueType
IMPDH 28 504 6.73e-263 SMART
CBS 117 168 6.49e-10 SMART
CBS 184 232 3.37e-8 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000160613
Predicted Effect probably damaging
Transcript: ENSMUST00000160749
AA Change: V49M

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000125488
Gene: ENSMUSG00000003500
AA Change: V49M

DomainStartEndE-ValueType
Pfam:IMPDH 28 84 3.9e-20 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000160878
AA Change: V49M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000124269
Gene: ENSMUSG00000003500
AA Change: V49M

DomainStartEndE-ValueType
IMPDH 28 479 2.97e-232 SMART
CBS 92 143 6.49e-10 SMART
CBS 159 207 3.37e-8 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000161654
Predicted Effect probably damaging
Transcript: ENSMUST00000162099
AA Change: V49M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000124541
Gene: ENSMUSG00000003500
AA Change: V49M

DomainStartEndE-ValueType
IMPDH 28 504 6.73e-263 SMART
CBS 117 168 6.49e-10 SMART
CBS 184 232 3.37e-8 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000162215
AA Change: V49M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000125235
Gene: ENSMUSG00000003500
AA Change: V49M

DomainStartEndE-ValueType
IMPDH 28 231 5.75e-17 SMART
CBS 161 209 3.37e-8 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000162739
AA Change: V73M

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000125077
Gene: ENSMUSG00000003500
AA Change: V73M

DomainStartEndE-ValueType
low complexity region 8 22 N/A INTRINSIC
low complexity region 32 61 N/A INTRINSIC
IMPDH 86 558 2e-256 SMART
CBS 171 222 6.49e-10 SMART
CBS 238 286 3.37e-8 SMART
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene acts as a homotetramer to regulate cell growth. The encoded protein is an enzyme that catalyzes the synthesis of xanthine monophosphate (XMP) from inosine-5'-monophosphate (IMP). This is the rate-limiting step in the de novo synthesis of guanine nucleotides. Defects in this gene are a cause of retinitis pigmentosa type 10 (RP10). Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2008]
PHENOTYPE: Mic homozygous for disruptions of this gene display abnormalities in T cell proliferation. Mice homozygous for an ENU-induced mutation exhibit reduced thickness of the outer nuclear layer and total retina thickness. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ace3 A T 11: 105,895,947 (GRCm39) D631V probably benign Het
Adam17 T C 12: 21,395,702 (GRCm39) I274V possibly damaging Het
Aebp1 A G 11: 5,815,451 (GRCm39) D303G probably damaging Het
B020004C17Rik T C 14: 57,254,874 (GRCm39) *233R probably null Het
Bcl9l C T 9: 44,413,176 (GRCm39) P127S possibly damaging Het
Bdp1 T C 13: 100,167,369 (GRCm39) D2215G probably damaging Het
Caly T C 7: 139,652,593 (GRCm39) T52A probably damaging Het
Ccdc125 T C 13: 100,832,817 (GRCm39) S465P possibly damaging Het
Cdc23 ACC AC 18: 34,770,371 (GRCm39) probably null Het
Colq T C 14: 31,257,645 (GRCm39) K231E probably damaging Het
Fam32a T A 8: 72,975,785 (GRCm39) I77N probably damaging Het
Kcnh7 A G 2: 62,536,417 (GRCm39) I1055T probably damaging Het
Lad1 A G 1: 135,756,484 (GRCm39) D364G probably benign Het
Lama2 G T 10: 26,865,340 (GRCm39) Y947* probably null Het
Myo5b T A 18: 74,713,479 (GRCm39) I108N probably damaging Het
Nvl T C 1: 180,932,679 (GRCm39) T713A probably benign Het
Oit3 T C 10: 59,263,925 (GRCm39) Y403C probably damaging Het
Or6c70 T C 10: 129,709,826 (GRCm39) T267A probably benign Het
Pappa A G 4: 65,223,532 (GRCm39) T1236A probably benign Het
Pip4p2 C T 4: 14,912,463 (GRCm39) R191C probably damaging Het
Rcl1 G A 19: 29,095,762 (GRCm39) V116I probably benign Het
Rdh14 G A 12: 10,441,231 (GRCm39) probably null Het
Rfx2 T A 17: 57,094,733 (GRCm39) T204S possibly damaging Het
Rin2 C T 2: 145,702,366 (GRCm39) T354I probably benign Het
Ripor1 T C 8: 106,344,608 (GRCm39) S581P probably benign Het
Rnf213 T A 11: 119,374,790 (GRCm39) V5084E probably damaging Het
Scn9a A T 2: 66,357,037 (GRCm39) V1077E probably damaging Het
Slc15a5 A G 6: 138,056,754 (GRCm39) V54A probably benign Het
Slc35b2 G A 17: 45,877,355 (GRCm39) V161M probably benign Het
Snx19 T A 9: 30,348,779 (GRCm39) L804Q probably damaging Het
Spata31e5 T A 1: 28,816,214 (GRCm39) Q606L probably benign Het
Specc1l C A 10: 75,082,162 (GRCm39) N519K possibly damaging Het
Spmip6 T C 4: 41,505,574 (GRCm39) T183A possibly damaging Het
Stambp A T 6: 83,534,464 (GRCm39) N274K probably damaging Het
Stox1 T C 10: 62,495,348 (GRCm39) N975S probably benign Het
Tacc3 T G 5: 33,824,028 (GRCm39) probably null Het
Tubb1 G A 2: 174,299,466 (GRCm39) E383K probably benign Het
Ube3b A T 5: 114,550,505 (GRCm39) D844V probably damaging Het
Other mutations in Impdh1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01543:Impdh1 APN 6 29,203,377 (GRCm39) missense probably damaging 0.97
IGL01642:Impdh1 APN 6 29,207,165 (GRCm39) missense possibly damaging 0.57
IGL02187:Impdh1 APN 6 29,207,086 (GRCm39) splice site probably benign
IGL02294:Impdh1 APN 6 29,205,201 (GRCm39) missense probably benign 0.19
IGL02570:Impdh1 APN 6 29,203,197 (GRCm39) missense probably damaging 1.00
IGL02858:Impdh1 APN 6 29,206,924 (GRCm39) nonsense probably null
IGL02874:Impdh1 APN 6 29,203,155 (GRCm39) missense probably damaging 1.00
steve UTSW 6 29,204,631 (GRCm39) nonsense probably null
R0089:Impdh1 UTSW 6 29,206,325 (GRCm39) missense probably benign
R0855:Impdh1 UTSW 6 29,206,971 (GRCm39) missense probably damaging 1.00
R1331:Impdh1 UTSW 6 29,206,477 (GRCm39) missense probably damaging 0.96
R1797:Impdh1 UTSW 6 29,207,168 (GRCm39) missense probably damaging 0.98
R1824:Impdh1 UTSW 6 29,205,087 (GRCm39) missense probably benign 0.08
R1981:Impdh1 UTSW 6 29,206,450 (GRCm39) missense possibly damaging 0.70
R2076:Impdh1 UTSW 6 29,205,162 (GRCm39) missense probably damaging 0.99
R3841:Impdh1 UTSW 6 29,202,768 (GRCm39) missense probably damaging 0.98
R4020:Impdh1 UTSW 6 29,202,693 (GRCm39) missense probably benign 0.01
R4471:Impdh1 UTSW 6 29,204,631 (GRCm39) nonsense probably null
R4777:Impdh1 UTSW 6 29,205,201 (GRCm39) missense possibly damaging 0.95
R5783:Impdh1 UTSW 6 29,206,342 (GRCm39) missense possibly damaging 0.66
R5973:Impdh1 UTSW 6 29,207,161 (GRCm39) missense probably damaging 1.00
R7230:Impdh1 UTSW 6 29,206,062 (GRCm39) splice site probably null
R7512:Impdh1 UTSW 6 29,207,168 (GRCm39) missense probably benign 0.22
R8686:Impdh1 UTSW 6 29,216,214 (GRCm39) start gained probably benign
R8893:Impdh1 UTSW 6 29,216,248 (GRCm39) start gained probably benign
Predicted Primers PCR Primer
(F):5'- GACCTTTTCTGAGCCAACCC -3'
(R):5'- GTCAGTGGATTCCAGCCTTTC -3'

Sequencing Primer
(F):5'- ACTTCTTCAGTGACAGAGCATC -3'
(R):5'- AGTGGATTCCAGCCTTTCTGCTC -3'
Posted On 2017-12-01