Incidental Mutation 'R4020:Impdh1'
ID 312726
Institutional Source Beutler Lab
Gene Symbol Impdh1
Ensembl Gene ENSMUSG00000003500
Gene Name inosine monophosphate dehydrogenase 1
Synonyms B930086D20Rik
MMRRC Submission 040954-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.262) question?
Stock # R4020 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 29200435-29216363 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 29202693 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 446 (I446V)
Ref Sequence ENSEMBL: ENSMUSP00000124269 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000078155] [ENSMUST00000159124] [ENSMUST00000160749] [ENSMUST00000160878] [ENSMUST00000162099] [ENSMUST00000162739] [ENSMUST00000162215]
AlphaFold P50096
Predicted Effect probably benign
Transcript: ENSMUST00000078155
AA Change: I471V

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000077289
Gene: ENSMUSG00000003500
AA Change: I471V

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 benign
Transcript: ENSMUST00000159124
AA Change: I471V

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000124931
Gene: ENSMUSG00000003500
AA Change: I471V

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 benign
Transcript: ENSMUST00000160749
SMART Domains Protein: ENSMUSP00000125488
Gene: ENSMUSG00000003500

DomainStartEndE-ValueType
Pfam:IMPDH 28 84 3.9e-20 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000160878
AA Change: I446V

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000124269
Gene: ENSMUSG00000003500
AA Change: I446V

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 benign
Transcript: ENSMUST00000162099
AA Change: I471V

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000124541
Gene: ENSMUSG00000003500
AA Change: I471V

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 unknown
Transcript: ENSMUST00000162739
AA Change: I495V
SMART Domains Protein: ENSMUSP00000125077
Gene: ENSMUSG00000003500
AA Change: I495V

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
Predicted Effect unknown
Transcript: ENSMUST00000162242
AA Change: I111V
SMART Domains Protein: ENSMUSP00000123981
Gene: ENSMUSG00000003500
AA Change: I111V

DomainStartEndE-ValueType
IMPDH 1 145 2e-11 SMART
low complexity region 165 181 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000162215
SMART Domains Protein: ENSMUSP00000125235
Gene: ENSMUSG00000003500

DomainStartEndE-ValueType
IMPDH 28 231 5.75e-17 SMART
CBS 161 209 3.37e-8 SMART
Meta Mutation Damage Score 0.0895 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.0%
Validation Efficiency 100% (54/54)
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: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy7 G C 8: 89,035,362 (GRCm39) V89L probably benign Het
Aebp2 T A 6: 140,588,021 (GRCm39) S364T probably damaging Het
Akr1b10 C T 6: 34,369,388 (GRCm39) T206I probably benign Het
Ap4e1 C T 2: 126,903,846 (GRCm39) S916F probably benign Het
Apob C T 12: 8,044,914 (GRCm39) Q845* probably null Het
Asb4 A G 6: 5,390,803 (GRCm39) probably benign Het
Bltp1 A G 3: 37,066,724 (GRCm39) probably benign Het
C1ra A T 6: 124,496,736 (GRCm39) T391S probably benign Het
Catsperg2 C A 7: 29,416,429 (GRCm39) D328Y probably damaging Het
Ciapin1 G T 8: 95,555,814 (GRCm39) L119M probably damaging Het
Crhr2 A G 6: 55,077,765 (GRCm39) probably benign Het
Cyp2j6 A G 4: 96,406,407 (GRCm39) S455P probably benign Het
Dctn4 G A 18: 60,671,329 (GRCm39) probably benign Het
Defa25 C T 8: 21,575,245 (GRCm39) R75C probably benign Het
Dnajc10 T C 2: 80,175,296 (GRCm39) L561P probably damaging Het
Dnajc7 A T 11: 100,482,292 (GRCm39) F185L probably damaging Het
Dock9 T C 14: 121,844,267 (GRCm39) I1175V probably benign Het
Drosha T G 15: 12,837,422 (GRCm39) L302R possibly damaging Het
Efcab5 C T 11: 76,994,930 (GRCm39) V1214I probably benign Het
Erich3 G A 3: 154,419,686 (GRCm39) R260H probably damaging Het
Fam168b T C 1: 34,867,860 (GRCm39) T47A possibly damaging Het
Gorasp1 G A 9: 119,757,936 (GRCm39) R290C probably benign Het
Gtf2a1 A G 12: 91,539,351 (GRCm39) S94P possibly damaging Het
Ighv1-53 C T 12: 115,122,442 (GRCm39) C5Y probably benign Het
Krtap5-1 T C 7: 141,850,094 (GRCm39) probably null Het
Lipo3 T A 19: 33,764,804 (GRCm39) I17L probably benign Het
Lrrc37 A G 11: 103,506,119 (GRCm39) S1950P probably benign Het
Lss T C 10: 76,383,278 (GRCm39) M526T probably damaging Het
Med12l A C 3: 59,155,363 (GRCm39) Q1181P probably damaging Het
Mtrf1l T C 10: 5,767,454 (GRCm39) T221A probably benign Het
Muc21 T C 17: 35,930,953 (GRCm39) probably benign Het
Mxi1 C A 19: 53,360,160 (GRCm39) A294E probably benign Het
Naip5 T C 13: 100,359,883 (GRCm39) E451G probably benign Het
Naip5 T C 13: 100,359,902 (GRCm39) I445V probably benign Het
Nfrkb T A 9: 31,325,407 (GRCm39) L950Q possibly damaging Het
Nherf4 A T 9: 44,162,117 (GRCm39) probably null Het
Oplah A G 15: 76,181,476 (GRCm39) Y1155H probably damaging Het
Or5b105 T G 19: 13,079,790 (GRCm39) K287Q probably damaging Het
Pcnx1 C T 12: 81,965,018 (GRCm39) T395I probably damaging Het
Pitrm1 A G 13: 6,606,723 (GRCm39) H259R probably damaging Het
Pllp C A 8: 95,406,072 (GRCm39) M70I possibly damaging Het
Pop1 A G 15: 34,508,926 (GRCm39) T334A probably benign Het
Prep T C 10: 44,968,894 (GRCm39) probably benign Het
Ptprz1 C A 6: 22,959,623 (GRCm39) probably benign Het
Sbsn A G 7: 30,455,390 (GRCm39) S170G probably damaging Het
Sco1 T G 11: 66,954,846 (GRCm39) S284A probably benign Het
Slc25a10 T A 11: 120,388,265 (GRCm39) M227K probably damaging Het
Trav7-6 A G 14: 53,954,638 (GRCm39) K56R probably benign Het
Ubr4 T G 4: 139,179,116 (GRCm39) C3322G probably damaging Het
Unc5a T C 13: 55,151,182 (GRCm39) Y608H probably damaging Het
Zfand1 A C 3: 10,405,816 (GRCm39) N262K probably benign Het
Zfp335 C T 2: 164,743,380 (GRCm39) R536H 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
R4415:Impdh1 UTSW 6 29,209,221 (GRCm39) missense probably damaging 1.00
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'- AAACTTGAGCTCTCCTGAGTAC -3'
(R):5'- TGGGCGGTATTCTATCTGTACC -3'

Sequencing Primer
(F):5'- CTCCTGAGTACATCATGGATCTGAG -3'
(R):5'- CGGTATTCTATCTGTACCTTGGAGAG -3'
Posted On 2015-04-30