Incidental Mutation 'R1827:Impg2'
ID 206959
Institutional Source Beutler Lab
Gene Symbol Impg2
Ensembl Gene ENSMUSG00000035270
Gene Name interphotoreceptor matrix proteoglycan 2
Synonyms IPM200, Spacrcan, PG10.2
MMRRC Submission 039854-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.106) question?
Stock # R1827 (G1)
Quality Score 225
Status Not validated
Chromosome 16
Chromosomal Location 56024676-56094119 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 56087583 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Isoleucine at position 1134 (N1134I)
Ref Sequence ENSEMBL: ENSMUSP00000063648 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000069936] [ENSMUST00000160116]
AlphaFold Q80XH2
Predicted Effect possibly damaging
Transcript: ENSMUST00000069936
AA Change: N1134I

PolyPhen 2 Score 0.622 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000063648
Gene: ENSMUSG00000035270
AA Change: N1134I

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 noncoding transcript
Transcript: ENSMUST00000159842
Predicted Effect probably benign
Transcript: ENSMUST00000160116
AA Change: N1025I

PolyPhen 2 Score 0.069 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000125135
Gene: ENSMUSG00000035270
AA Change: N1025I

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: 97.4%
  • 3x: 96.8%
  • 10x: 95.0%
  • 20x: 91.6%
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 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: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acadsb G C 7: 131,043,004 (GRCm39) R355T probably damaging Het
Ackr2 C T 9: 121,738,581 (GRCm39) R319C probably benign Het
Acot4 G A 12: 84,088,712 (GRCm39) A187T probably damaging Het
Adgrb2 A C 4: 129,906,350 (GRCm39) Q926P probably damaging Het
Adgrb3 T C 1: 25,571,658 (GRCm39) T420A probably damaging Het
Adra1b A T 11: 43,726,476 (GRCm39) V147E probably damaging Het
Bco1 A G 8: 117,832,498 (GRCm39) Y98C probably damaging Het
Car5a C T 8: 122,650,547 (GRCm39) V166M probably benign Het
Cdh5 T C 8: 104,839,541 (GRCm39) L4P possibly damaging Het
Clec12a A G 6: 129,330,762 (GRCm39) T115A probably damaging Het
Cmya5 G A 13: 93,210,956 (GRCm39) T3279I possibly damaging Het
Col4a4 C T 1: 82,517,709 (GRCm39) G105D unknown Het
Cyp2d34 A T 15: 82,500,295 (GRCm39) H481Q probably benign Het
Dhx15 A T 5: 52,327,422 (GRCm39) C307* probably null Het
Dnah9 A G 11: 65,740,887 (GRCm39) Y4100H probably damaging Het
Dock10 T C 1: 80,508,009 (GRCm39) N1647S probably benign Het
Duox1 T A 2: 122,177,861 (GRCm39) Y1548* probably null Het
Esyt1 T C 10: 128,352,238 (GRCm39) E763G probably benign Het
Fbh1 G T 2: 11,768,699 (GRCm39) D332E possibly damaging Het
Fndc8 G A 11: 82,790,355 (GRCm39) V275M probably damaging Het
Focad T G 4: 88,147,620 (GRCm39) Y420D probably benign Het
Gml A T 15: 74,688,280 (GRCm39) H62Q probably benign Het
Gpr158 A T 2: 21,832,129 (GRCm39) L1076F probably benign Het
Gpr161 A G 1: 165,134,136 (GRCm39) T133A possibly damaging Het
Gpr83 G T 9: 14,779,629 (GRCm39) C269F possibly damaging Het
Gsg1l A T 7: 125,509,369 (GRCm39) I256K possibly damaging Het
Hao1 T A 2: 134,372,584 (GRCm39) R141S probably benign Het
Hnf1a G A 5: 115,098,254 (GRCm39) A116V probably damaging Het
Hrh4 A T 18: 13,155,261 (GRCm39) T267S probably damaging Het
Igfals A T 17: 25,099,278 (GRCm39) N123I probably benign Het
Iglon5 T A 7: 43,128,545 (GRCm39) T91S probably benign Het
Incenp A G 19: 9,850,093 (GRCm39) V860A possibly damaging Het
Irf5 A T 6: 29,536,672 (GRCm39) H461L possibly damaging Het
Itpr2 A G 6: 146,229,830 (GRCm39) L1255P probably damaging Het
Kank2 A G 9: 21,706,761 (GRCm39) S86P probably damaging Het
Kcnma1 C A 14: 23,380,997 (GRCm39) D903Y probably damaging Het
Kcnn3 A T 3: 89,428,301 (GRCm39) M176L possibly damaging Het
Mccc1 A T 3: 36,039,150 (GRCm39) I281N probably damaging Het
Mms19 G A 19: 41,942,116 (GRCm39) A584V probably benign Het
Mon2 A T 10: 122,882,216 (GRCm39) D184E probably damaging Het
Mrpl1 T C 5: 96,374,202 (GRCm39) V159A possibly damaging Het
Mtrex C A 13: 113,049,633 (GRCm39) probably null Het
Myo18a C T 11: 77,709,597 (GRCm39) T190I probably benign Het
Myo7a A T 7: 97,725,938 (GRCm39) M1038K probably damaging Het
Myrfl T A 10: 116,668,852 (GRCm39) I304F probably damaging Het
Neo1 G A 9: 58,824,314 (GRCm39) R705* probably null Het
Nfat5 T C 8: 108,093,966 (GRCm39) S736P probably benign Het
Nlrp4c C T 7: 6,068,765 (GRCm39) P222L probably damaging Het
Nmt1 T A 11: 102,955,664 (GRCm39) W481R probably damaging Het
Ntrk3 T A 7: 77,897,049 (GRCm39) I663L probably damaging Het
Nup210l A T 3: 90,061,864 (GRCm39) E681V probably damaging Het
Nxpe2 T C 9: 48,237,914 (GRCm39) T114A probably damaging Het
Or4c105 A T 2: 88,648,402 (GRCm39) I296F probably benign Het
Or55b3 A G 7: 102,126,720 (GRCm39) L119P probably damaging Het
Or56b1b A T 7: 108,164,282 (GRCm39) V240D probably benign Het
Pald1 ATGCTGCTGCTGCTGC ATGCTGCTGCTGC 10: 61,191,701 (GRCm39) probably benign Het
Ppm1e T C 11: 87,122,521 (GRCm39) T479A probably damaging Het
Ppp1r7 A G 1: 93,288,518 (GRCm39) E298G probably benign Het
Pramel29 G A 4: 143,936,180 (GRCm39) P27S probably damaging Het
Prkaca T C 8: 84,717,616 (GRCm39) probably null Het
Prss36 A G 7: 127,532,664 (GRCm39) V718A probably damaging Het
Pxk C T 14: 8,151,507 (GRCm38) R441* probably null Het
Rnf182 G A 13: 43,822,010 (GRCm39) W187* probably null Het
Rrp12 G C 19: 41,868,920 (GRCm39) D519E possibly damaging Het
Rufy4 T C 1: 74,173,279 (GRCm39) L415P probably damaging Het
Ryk T A 9: 102,765,706 (GRCm39) D335E probably benign Het
S100a11 A T 3: 93,433,428 (GRCm39) I91F probably benign Het
Scin T C 12: 40,118,922 (GRCm39) R625G possibly damaging Het
Simc1 T A 13: 54,672,452 (GRCm39) C267S probably benign Het
Slc28a1 T C 7: 80,787,950 (GRCm39) V279A possibly damaging Het
Slc30a8 T A 15: 52,194,953 (GRCm39) probably null Het
Slco6d1 A G 1: 98,348,941 (GRCm39) D4G probably damaging Het
Tmem127 G A 2: 127,098,094 (GRCm39) probably null Het
Trpm1 G A 7: 63,884,755 (GRCm39) R812H probably damaging Het
Tsga10 T A 1: 37,874,661 (GRCm39) I75F probably damaging Het
Tyms C T 5: 30,267,014 (GRCm39) probably null Het
Ubr4 A G 4: 139,153,008 (GRCm39) probably null Het
Unc45a A G 7: 79,981,488 (GRCm39) V438A possibly damaging Het
Usf2 T C 7: 30,654,765 (GRCm39) D110G probably damaging Het
Vit T C 17: 78,853,875 (GRCm39) probably null Het
Vmn2r104 A T 17: 20,262,497 (GRCm39) M211K probably damaging Het
Vmn2r11 T C 5: 109,199,938 (GRCm39) H505R probably benign Het
Vmn2r77 G A 7: 86,450,821 (GRCm39) A236T probably damaging Het
Xpo1 T C 11: 23,235,155 (GRCm39) M608T probably benign Het
Zfp112 T C 7: 23,824,385 (GRCm39) F116L probably damaging Het
Zfp84 A G 7: 29,476,768 (GRCm39) T487A possibly damaging Het
Zfpl1 A C 19: 6,131,901 (GRCm39) L241R probably benign 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
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
R8901:Impg2 UTSW 16 56,072,528 (GRCm39) missense probably damaging 1.00
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'- CCCATTTCACTGAAGATTCCGC -3'
(R):5'- CTAAATTTTCAAGGCTCCCTGC -3'

Sequencing Primer
(F):5'- GCAATGTGATGCCTATTTTTACAG -3'
(R):5'- TGCCAAACCTAGTTCAATATTCATCC -3'
Posted On 2014-06-23