Incidental Mutation 'R9174:Impg1'
ID 696584
Institutional Source Beutler Lab
Gene Symbol Impg1
Ensembl Gene ENSMUSG00000032343
Gene Name interphotoreceptor matrix proteoglycan 1
Synonyms SPACR, A930015H12Rik, IMP150
MMRRC Submission 068977-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.058) question?
Stock # R9174 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 80220612-80347534 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 80252750 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 477 (T477A)
Ref Sequence ENSEMBL: ENSMUSP00000108876 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000085289] [ENSMUST00000113250]
AlphaFold Q8R1W8
Predicted Effect probably damaging
Transcript: ENSMUST00000085289
AA Change: T400A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000082395
Gene: ENSMUSG00000032343
AA Change: T400A

DomainStartEndE-ValueType
signal peptide 1 20 N/A INTRINSIC
SEA 158 273 8.68e-1 SMART
low complexity region 353 374 N/A INTRINSIC
SEA 494 616 1.37e-11 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000113250
AA Change: T477A

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000108876
Gene: ENSMUSG00000032343
AA Change: T477A

DomainStartEndE-ValueType
signal peptide 1 20 N/A INTRINSIC
SEA 235 350 8.68e-1 SMART
low complexity region 430 451 N/A INTRINSIC
SEA 571 693 1.37e-11 SMART
Meta Mutation Damage Score 0.3933 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 100% (33/33)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a protein that is a major component of the retinal interphotoreceptor matrix. The encoded protein is a proteoglycan that is thought to play a role in maintaining viability of photoreceptor cells and in adhesion of the neural retina to the retinal pigment epithelium. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Sep 2013]
Allele List at MGI
Other mutations in this stock
Total: 32 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Akap1 A G 11: 88,725,991 (GRCm39) Y737H probably damaging Het
Arap2 A T 5: 62,855,606 (GRCm39) V610E probably damaging Het
Arf1 G A 11: 59,103,433 (GRCm39) T158I probably damaging Het
Atat1 T C 17: 36,220,032 (GRCm39) K90R probably benign Het
Cfap70 C A 14: 20,493,706 (GRCm39) G132W probably damaging Het
Cpne9 T A 6: 113,279,032 (GRCm39) D475E probably damaging Het
Dapp1 T C 3: 137,638,916 (GRCm39) D270G probably benign Het
Dnajc21 A T 15: 10,462,076 (GRCm39) Y108* probably null Het
Etv4 A G 11: 101,662,705 (GRCm39) probably null Het
Fes C A 7: 80,030,631 (GRCm39) V555F probably damaging Het
Gm14496 A C 2: 181,642,797 (GRCm39) I823L possibly damaging Het
H2-M9 A C 17: 36,953,181 (GRCm39) L42R probably damaging Het
Ifitm2 A T 7: 140,535,013 (GRCm39) I107N probably damaging Het
Inca1 G A 11: 70,580,732 (GRCm39) P78S possibly damaging Het
Khk A G 5: 31,085,819 (GRCm39) E126G probably benign Het
Klk15 C T 7: 43,587,790 (GRCm39) H73Y possibly damaging Het
Mars1 A T 10: 127,135,237 (GRCm39) I618N probably damaging Het
Mgl2 C A 11: 70,026,606 (GRCm39) F110L probably benign Het
Mon1b A G 8: 114,365,689 (GRCm39) D339G probably damaging Het
Pfdn2 G C 1: 171,184,164 (GRCm39) E48Q probably damaging Het
Pilra A G 5: 137,833,898 (GRCm39) I56T probably damaging Het
Ptpru A T 4: 131,535,746 (GRCm39) N410K probably damaging Het
Sema3c T C 5: 17,868,039 (GRCm39) probably null Het
Skic3 A G 13: 76,295,893 (GRCm39) E1052G probably benign Het
Stau1 A G 2: 166,791,269 (GRCm39) C495R probably damaging Het
Ubap1l T A 9: 65,284,289 (GRCm39) H339Q probably benign Het
Urb2 A G 8: 124,767,987 (GRCm39) D1411G possibly damaging Het
Ush2a T A 1: 188,460,416 (GRCm39) I2559N probably damaging Het
Vipas39 A T 12: 87,305,885 (GRCm39) S103T possibly damaging Het
Vrk1 G A 12: 106,002,811 (GRCm39) R3H probably benign Het
Wdr46 G T 17: 34,167,668 (GRCm39) R493L possibly damaging Het
Zbtb8a T C 4: 129,254,125 (GRCm39) D123G probably damaging Het
Other mutations in Impg1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01329:Impg1 APN 9 80,230,111 (GRCm39) missense probably benign 0.02
IGL01733:Impg1 APN 9 80,249,206 (GRCm39) missense probably damaging 0.99
IGL02333:Impg1 APN 9 80,322,808 (GRCm39) missense possibly damaging 0.74
IGL03097:Impg1 UTSW 9 80,287,234 (GRCm39) missense possibly damaging 0.48
R0021:Impg1 UTSW 9 80,317,479 (GRCm39) missense probably damaging 1.00
R0029:Impg1 UTSW 9 80,305,653 (GRCm39) missense probably damaging 1.00
R0029:Impg1 UTSW 9 80,305,653 (GRCm39) missense probably damaging 1.00
R0108:Impg1 UTSW 9 80,230,130 (GRCm39) missense possibly damaging 0.63
R0201:Impg1 UTSW 9 80,252,843 (GRCm39) missense probably damaging 1.00
R0271:Impg1 UTSW 9 80,294,161 (GRCm39) splice site probably benign
R0316:Impg1 UTSW 9 80,249,347 (GRCm39) missense probably damaging 1.00
R0492:Impg1 UTSW 9 80,252,590 (GRCm39) missense possibly damaging 0.74
R0633:Impg1 UTSW 9 80,301,437 (GRCm39) missense possibly damaging 0.72
R0705:Impg1 UTSW 9 80,287,261 (GRCm39) missense probably damaging 1.00
R0962:Impg1 UTSW 9 80,289,023 (GRCm39) missense probably benign 0.23
R1264:Impg1 UTSW 9 80,221,675 (GRCm39) missense probably benign 0.31
R1707:Impg1 UTSW 9 80,285,799 (GRCm39) splice site probably null
R2017:Impg1 UTSW 9 80,322,720 (GRCm39) missense probably damaging 1.00
R3904:Impg1 UTSW 9 80,252,867 (GRCm39) missense possibly damaging 0.76
R3960:Impg1 UTSW 9 80,322,917 (GRCm39) missense probably benign 0.00
R4231:Impg1 UTSW 9 80,252,611 (GRCm39) missense probably damaging 1.00
R4233:Impg1 UTSW 9 80,252,611 (GRCm39) missense probably damaging 1.00
R4235:Impg1 UTSW 9 80,252,611 (GRCm39) missense probably damaging 1.00
R4236:Impg1 UTSW 9 80,252,611 (GRCm39) missense probably damaging 1.00
R4490:Impg1 UTSW 9 80,301,341 (GRCm39) missense probably damaging 1.00
R4592:Impg1 UTSW 9 80,322,907 (GRCm39) missense probably benign 0.05
R4701:Impg1 UTSW 9 80,221,682 (GRCm39) missense probably benign 0.07
R4785:Impg1 UTSW 9 80,305,732 (GRCm39) missense probably benign 0.01
R4796:Impg1 UTSW 9 80,301,377 (GRCm39) missense probably damaging 0.99
R4923:Impg1 UTSW 9 80,252,827 (GRCm39) missense probably damaging 0.98
R4923:Impg1 UTSW 9 80,252,360 (GRCm39) nonsense probably null
R5468:Impg1 UTSW 9 80,347,318 (GRCm39) missense probably benign 0.05
R5596:Impg1 UTSW 9 80,252,500 (GRCm39) missense probably benign 0.24
R6001:Impg1 UTSW 9 80,223,454 (GRCm39) missense probably benign 0.12
R6156:Impg1 UTSW 9 80,230,106 (GRCm39) missense probably damaging 1.00
R6315:Impg1 UTSW 9 80,301,356 (GRCm39) missense probably benign 0.21
R6419:Impg1 UTSW 9 80,287,300 (GRCm39) missense probably benign 0.38
R6880:Impg1 UTSW 9 80,312,082 (GRCm39) missense probably damaging 1.00
R7013:Impg1 UTSW 9 80,285,776 (GRCm39) missense probably damaging 1.00
R8542:Impg1 UTSW 9 80,312,080 (GRCm39) missense probably damaging 1.00
R9018:Impg1 UTSW 9 80,301,474 (GRCm39) missense probably benign 0.19
R9034:Impg1 UTSW 9 80,347,351 (GRCm39) start gained probably benign
R9242:Impg1 UTSW 9 80,289,064 (GRCm39) missense probably damaging 1.00
R9344:Impg1 UTSW 9 80,312,040 (GRCm39) missense probably benign 0.39
R9380:Impg1 UTSW 9 80,289,077 (GRCm39) missense probably benign 0.34
R9584:Impg1 UTSW 9 80,322,849 (GRCm39) missense probably benign 0.14
R9594:Impg1 UTSW 9 80,288,923 (GRCm39) missense probably damaging 1.00
R9632:Impg1 UTSW 9 80,287,276 (GRCm39) missense probably benign 0.24
R9710:Impg1 UTSW 9 80,287,276 (GRCm39) missense probably benign 0.24
Z1176:Impg1 UTSW 9 80,285,749 (GRCm39) missense probably benign 0.11
Predicted Primers PCR Primer
(F):5'- ATGGGTGTGGTCATCTCCAAG -3'
(R):5'- CTCGTTTGGGTGGAAATAATTGGAC -3'

Sequencing Primer
(F):5'- GTGTGGTCATCTCCAAGAACTGAC -3'
(R):5'- CATAAAATGGCATCAGGAATGTCC -3'
Posted On 2022-02-07