Incidental Mutation 'R8901:Impg2'
ID 679984
Institutional Source Beutler Lab
Gene Symbol Impg2
Ensembl Gene ENSMUSG00000035270
Gene Name interphotoreceptor matrix proteoglycan 2
Synonyms IPM200, Spacrcan, PG10.2
MMRRC Submission 068758-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.106) question?
Stock # R8901 (G1)
Quality Score 225.009
Status Validated
Chromosome 16
Chromosomal Location 56024676-56094119 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 56072528 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 320 (D320V)
Ref Sequence ENSEMBL: ENSMUSP00000063648 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000069936] [ENSMUST00000160116]
AlphaFold Q80XH2
Predicted Effect probably damaging
Transcript: ENSMUST00000069936
AA Change: D320V

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000063648
Gene: ENSMUSG00000035270
AA Change: D320V

DomainStartEndE-ValueType
signal peptide 1 27 N/A INTRINSIC
low complexity region 66 74 N/A INTRINSIC
low complexity region 207 220 N/A INTRINSIC
SEA 235 345 7.7e-29 SMART
low complexity region 396 407 N/A INTRINSIC
low complexity region 419 444 N/A INTRINSIC
SEA 895 1018 2.18e-28 SMART
EGF_like 1016 1054 3.57e1 SMART
EGF_like 1056 1096 3.04e1 SMART
transmembrane domain 1105 1127 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000160116
AA Change: D320V

PolyPhen 2 Score 0.900 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000125135
Gene: ENSMUSG00000035270
AA Change: D320V

DomainStartEndE-ValueType
signal peptide 1 27 N/A INTRINSIC
low complexity region 66 74 N/A INTRINSIC
low complexity region 207 220 N/A INTRINSIC
SEA 235 345 7.7e-29 SMART
SEA 786 909 2.18e-28 SMART
EGF_like 907 945 3.57e1 SMART
EGF_like 947 987 3.04e1 SMART
transmembrane domain 996 1018 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 97.8%
Validation Efficiency 100% (53/53)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene binds chondroitin sulfate and hyaluronan and is a proteoglycan. The encoded protein plays a role in the organization of the interphotoreceptor matrix and may promote the growth and maintenance of the light-sensitive photoreceptor outer segment. Defects in this gene are a cause of retinitis pigmentosa type 56 and maculopathy, IMPG2-related.[provided by RefSeq, Mar 2011]
Allele List at MGI
Other mutations in this stock
Total: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adprm T C 11: 66,932,564 (GRCm39) N115S probably damaging Het
Agbl5 T C 5: 31,048,435 (GRCm39) V169A possibly damaging Het
Ajuba T C 14: 54,807,830 (GRCm39) probably benign Het
Ankrd27 G A 7: 35,332,243 (GRCm39) probably benign Het
Brat1 T A 5: 140,698,608 (GRCm39) M260K probably benign Het
Btbd6 G T 12: 112,940,220 (GRCm39) probably benign Het
Cenpf C T 1: 189,394,248 (GRCm39) G503S probably benign Het
Ces1e C T 8: 93,937,103 (GRCm39) D323N probably damaging Het
Chrna5 T C 9: 54,911,737 (GRCm39) F75S probably damaging Het
Clmn A T 12: 104,747,211 (GRCm39) S779T probably benign Het
Cntnap5c T A 17: 58,637,156 (GRCm39) M1011K probably benign Het
Col11a2 A T 17: 34,262,254 (GRCm39) I164F probably damaging Het
Daw1 A C 1: 83,183,643 (GRCm39) K231T possibly damaging Het
Dnah5 T G 15: 28,365,715 (GRCm39) M2637R possibly damaging Het
Dsp G A 13: 38,365,155 (GRCm39) V513M probably damaging Het
Eea1 T G 10: 95,825,431 (GRCm39) I42R probably damaging Het
Ehd4 A T 2: 119,932,805 (GRCm39) I207N probably damaging Het
F11 T C 8: 45,701,851 (GRCm39) T320A probably benign Het
Fhdc1 T A 3: 84,352,874 (GRCm39) M784L probably benign Het
Gm21411 G A 4: 146,982,171 (GRCm39) Q10* probably null Het
Gnao1 T C 8: 94,694,687 (GRCm39) M70T probably benign Het
Gtf2i A G 5: 134,324,389 (GRCm39) F25S probably damaging Het
H2-T3 A T 17: 36,498,252 (GRCm39) D220E probably damaging Het
Hnrnpul2 T G 19: 8,801,809 (GRCm39) L339R probably damaging Het
Itga2b A T 11: 102,351,630 (GRCm39) L565Q probably damaging Het
Jph3 A T 8: 122,457,561 (GRCm39) Q67L probably damaging Het
Khnyn T C 14: 56,124,043 (GRCm39) F99S probably damaging Het
Lhcgr A T 17: 89,063,030 (GRCm39) L214Q probably damaging Het
Lix1l C A 3: 96,508,745 (GRCm39) probably benign Het
Mettl13 C T 1: 162,373,814 (GRCm39) V95I possibly damaging Het
Nod2 C T 8: 89,390,437 (GRCm39) T226M probably damaging Het
Nwd2 T C 5: 63,963,685 (GRCm39) W1090R probably damaging Het
Or2y1c A T 11: 49,361,035 (GRCm39) D19V probably damaging Het
Pla2r1 C A 2: 60,332,400 (GRCm39) V481F Het
Polr1b T A 2: 128,967,595 (GRCm39) V996E probably damaging Het
Ppfia3 T A 7: 44,991,141 (GRCm39) R1027W probably damaging Het
Pramel21 A T 4: 143,343,677 (GRCm39) I326F probably benign Het
Rap1gds1 T C 3: 138,663,305 (GRCm39) D298G probably damaging Het
Rlf T C 4: 121,004,010 (GRCm39) T1767A possibly damaging Het
Scn3a C T 2: 65,352,252 (GRCm39) V353M probably benign Het
Setd1b T C 5: 123,299,114 (GRCm39) probably benign Het
Slc25a42 A G 8: 70,646,799 (GRCm39) V19A probably benign Het
Smarcal1 T C 1: 72,624,939 (GRCm39) S29P possibly damaging Het
Sntb2 T C 8: 107,737,975 (GRCm39) F508L possibly damaging Het
Speer4a3 CTTT C 5: 26,155,857 (GRCm39) probably benign Het
Syt15 G T 14: 33,948,028 (GRCm39) R291L probably damaging Het
Tas2r114 T A 6: 131,666,914 (GRCm39) N38I probably damaging Het
Tg T A 15: 66,557,184 (GRCm39) N948K probably damaging Het
Tmem115 A G 9: 107,411,993 (GRCm39) probably benign Het
Ttll8 C T 15: 88,818,146 (GRCm39) D175N probably benign Het
Txk T A 5: 72,858,050 (GRCm39) Y398F probably damaging Het
Wdr36 C A 18: 32,980,013 (GRCm39) T246K probably damaging Het
Wdr43 A T 17: 71,932,461 (GRCm39) R113S probably benign Het
Ybx1 T C 4: 119,138,785 (GRCm39) Y239C probably damaging Het
Other mutations in Impg2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00542:Impg2 APN 16 56,081,968 (GRCm39) nonsense probably null
IGL01097:Impg2 APN 16 56,081,010 (GRCm39) critical splice donor site probably null
IGL01115:Impg2 APN 16 56,079,803 (GRCm39) missense possibly damaging 0.61
IGL01545:Impg2 APN 16 56,046,080 (GRCm39) splice site probably benign
IGL01644:Impg2 APN 16 56,080,233 (GRCm39) missense probably benign 0.04
IGL01690:Impg2 APN 16 56,025,568 (GRCm39) missense probably damaging 0.97
IGL01781:Impg2 APN 16 56,072,588 (GRCm39) missense probably benign 0.21
IGL01801:Impg2 APN 16 56,057,111 (GRCm39) missense probably damaging 0.97
IGL01980:Impg2 APN 16 56,041,890 (GRCm39) missense probably damaging 0.99
IGL02059:Impg2 APN 16 56,080,335 (GRCm39) missense probably damaging 1.00
IGL02140:Impg2 APN 16 56,079,831 (GRCm39) missense probably benign 0.05
IGL02206:Impg2 APN 16 56,079,960 (GRCm39) missense possibly damaging 0.92
IGL02245:Impg2 APN 16 56,089,445 (GRCm39) missense probably damaging 0.96
IGL02584:Impg2 APN 16 56,085,374 (GRCm39) missense probably damaging 1.00
IGL03061:Impg2 APN 16 56,088,779 (GRCm39) missense probably damaging 1.00
IGL03123:Impg2 APN 16 56,087,485 (GRCm39) missense probably damaging 1.00
IGL03280:Impg2 APN 16 56,088,631 (GRCm39) nonsense probably null
R0051:Impg2 UTSW 16 56,078,411 (GRCm39) missense probably damaging 1.00
R0117:Impg2 UTSW 16 56,082,005 (GRCm39) missense probably damaging 0.99
R0193:Impg2 UTSW 16 56,085,412 (GRCm39) nonsense probably null
R0270:Impg2 UTSW 16 56,089,378 (GRCm39) missense possibly damaging 0.88
R0326:Impg2 UTSW 16 56,080,848 (GRCm39) missense probably damaging 1.00
R0330:Impg2 UTSW 16 56,072,627 (GRCm39) missense probably damaging 0.99
R0812:Impg2 UTSW 16 56,078,302 (GRCm39) intron probably benign
R1074:Impg2 UTSW 16 56,085,541 (GRCm39) splice site probably benign
R1283:Impg2 UTSW 16 56,078,302 (GRCm39) intron probably benign
R1618:Impg2 UTSW 16 56,080,221 (GRCm39) missense probably damaging 0.97
R1708:Impg2 UTSW 16 56,085,441 (GRCm39) missense probably benign 0.10
R1713:Impg2 UTSW 16 56,080,889 (GRCm39) missense probably benign 0.25
R1827:Impg2 UTSW 16 56,087,583 (GRCm39) missense possibly damaging 0.62
R1853:Impg2 UTSW 16 56,080,640 (GRCm39) missense probably damaging 1.00
R2064:Impg2 UTSW 16 56,063,993 (GRCm39) critical splice donor site probably null
R2100:Impg2 UTSW 16 56,051,748 (GRCm39) splice site probably null
R2125:Impg2 UTSW 16 56,085,427 (GRCm39) missense probably damaging 1.00
R2128:Impg2 UTSW 16 56,038,742 (GRCm39) missense probably damaging 1.00
R2195:Impg2 UTSW 16 56,080,497 (GRCm39) missense probably benign 0.39
R2247:Impg2 UTSW 16 56,088,627 (GRCm39) missense probably damaging 0.97
R2366:Impg2 UTSW 16 56,080,236 (GRCm39) missense probably benign 0.04
R2411:Impg2 UTSW 16 56,072,517 (GRCm39) missense probably damaging 1.00
R4193:Impg2 UTSW 16 56,088,774 (GRCm39) missense probably benign 0.00
R4356:Impg2 UTSW 16 56,080,527 (GRCm39) missense probably damaging 1.00
R4424:Impg2 UTSW 16 56,080,388 (GRCm39) missense possibly damaging 0.56
R4575:Impg2 UTSW 16 56,082,095 (GRCm39) missense probably damaging 1.00
R4766:Impg2 UTSW 16 56,078,302 (GRCm39) intron probably benign
R5024:Impg2 UTSW 16 56,080,463 (GRCm39) missense probably damaging 0.97
R5278:Impg2 UTSW 16 56,041,880 (GRCm39) missense probably benign 0.06
R5383:Impg2 UTSW 16 56,063,989 (GRCm39) missense probably benign 0.03
R5766:Impg2 UTSW 16 56,080,183 (GRCm39) missense possibly damaging 0.73
R5909:Impg2 UTSW 16 56,078,499 (GRCm39) missense probably damaging 0.99
R6525:Impg2 UTSW 16 56,025,512 (GRCm39) missense probably damaging 1.00
R6684:Impg2 UTSW 16 56,080,292 (GRCm39) missense probably benign 0.33
R6692:Impg2 UTSW 16 56,072,696 (GRCm39) missense probably damaging 1.00
R6711:Impg2 UTSW 16 56,085,449 (GRCm39) missense probably damaging 1.00
R6909:Impg2 UTSW 16 56,024,947 (GRCm39) missense probably damaging 0.97
R6959:Impg2 UTSW 16 56,088,693 (GRCm39) missense probably benign 0.01
R7226:Impg2 UTSW 16 56,087,467 (GRCm39) nonsense probably null
R7456:Impg2 UTSW 16 56,080,276 (GRCm39) missense probably benign 0.03
R7528:Impg2 UTSW 16 56,080,743 (GRCm39) missense possibly damaging 0.86
R7532:Impg2 UTSW 16 56,087,543 (GRCm39) missense probably damaging 0.96
R7601:Impg2 UTSW 16 56,080,394 (GRCm39) missense probably benign 0.22
R7803:Impg2 UTSW 16 56,087,513 (GRCm39) missense probably damaging 0.99
R8063:Impg2 UTSW 16 56,081,819 (GRCm39) intron probably benign
R8251:Impg2 UTSW 16 56,079,960 (GRCm39) missense possibly damaging 0.92
R8292:Impg2 UTSW 16 56,080,989 (GRCm39) missense probably damaging 1.00
R8481:Impg2 UTSW 16 56,072,629 (GRCm39) missense possibly damaging 0.76
R8524:Impg2 UTSW 16 56,038,757 (GRCm39) missense probably benign 0.03
R8782:Impg2 UTSW 16 56,079,818 (GRCm39) missense probably damaging 0.99
R8795:Impg2 UTSW 16 56,080,611 (GRCm39) missense probably benign 0.25
R9243:Impg2 UTSW 16 56,051,823 (GRCm39) missense probably damaging 1.00
R9352:Impg2 UTSW 16 56,072,470 (GRCm39) missense probably benign 0.00
R9645:Impg2 UTSW 16 56,038,767 (GRCm39) missense probably damaging 0.99
X0023:Impg2 UTSW 16 56,080,239 (GRCm39) missense probably benign 0.05
Predicted Primers PCR Primer
(F):5'- AGAATGTTGATGGGATCCATGC -3'
(R):5'- TCACCATTGATGAGCTGGAGAG -3'

Sequencing Primer
(F):5'- GGGATCCATGCTTTATTAACATGCTC -3'
(R):5'- CCATTGATGAGCTGGAGAGACTTG -3'
Posted On 2021-08-31