Incidental Mutation 'R7532:Impg2'
ID 583390
Institutional Source Beutler Lab
Gene Symbol Impg2
Ensembl Gene ENSMUSG00000035270
Gene Name interphotoreceptor matrix proteoglycan 2
Synonyms IPM200, Spacrcan, PG10.2
MMRRC Submission 045604-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.106) question?
Stock # R7532 (G1)
Quality Score 225.009
Status Not validated
Chromosome 16
Chromosomal Location 56024676-56094119 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 56087543 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Threonine at position 1121 (A1121T)
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: A1121T

PolyPhen 2 Score 0.963 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000063648
Gene: ENSMUSG00000035270
AA Change: A1121T

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 probably damaging
Transcript: ENSMUST00000160116
AA Change: A1012T

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000125135
Gene: ENSMUSG00000035270
AA Change: A1012T

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: 99.7%
  • 20x: 99.0%
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Add3 T A 19: 53,220,589 (GRCm39) I174K probably damaging Het
Ano2 A T 6: 125,940,667 (GRCm39) I597F probably damaging Het
Ap1g1 T C 8: 110,586,796 (GRCm39) V813A probably damaging Het
Bpnt1 A T 1: 185,084,523 (GRCm39) I207F possibly damaging Het
Brinp3 T A 1: 146,777,139 (GRCm39) W529R probably damaging Het
C2cd2l C T 9: 44,226,681 (GRCm39) R355Q probably benign Het
Ccser1 T A 6: 62,356,915 (GRCm39) C784* probably null Het
Cdh20 A T 1: 110,065,889 (GRCm39) D721V probably damaging Het
Chd9 A G 8: 91,721,193 (GRCm39) I994V unknown Het
Cst13 T G 2: 148,665,127 (GRCm39) Y41D probably benign Het
Cyth2 C T 7: 45,457,448 (GRCm39) A342T probably benign Het
Dapk1 T C 13: 60,878,700 (GRCm39) L563P probably damaging Het
Dclk3 T G 9: 111,296,596 (GRCm39) S47A probably benign Het
Dync1h1 C A 12: 110,618,011 (GRCm39) N3183K probably benign Het
Enpp1 C T 10: 24,551,885 (GRCm39) V165M probably benign Het
Ephx3 T C 17: 32,407,763 (GRCm39) N173S possibly damaging Het
Erc1 T A 6: 119,756,592 (GRCm39) D388V probably benign Het
Esp34 T G 17: 38,870,511 (GRCm39) V135G possibly damaging Het
Gfy G A 7: 44,827,461 (GRCm39) P212S probably damaging Het
Gm5239 C T 18: 35,669,795 (GRCm39) R54C probably benign Het
Gtpbp3 T C 8: 71,942,107 (GRCm39) F113L probably benign Het
Hectd1 T A 12: 51,837,233 (GRCm39) D775V probably damaging Het
Ifrd2 T G 9: 107,469,721 (GRCm39) S431R probably damaging Het
Irx1 A G 13: 72,108,314 (GRCm39) F123L possibly damaging Het
Itgb6 C T 2: 60,499,557 (GRCm39) V79I probably benign Het
Kcnd3 G A 3: 105,575,526 (GRCm39) R550H probably damaging Het
Klhl9 A T 4: 88,639,090 (GRCm39) S384T possibly damaging Het
Kng2 T C 16: 22,845,794 (GRCm39) probably null Het
Lipo3 T C 19: 33,560,464 (GRCm39) N67S possibly damaging Het
Mgst1 T C 6: 138,130,504 (GRCm39) S78P probably benign Het
Ms4a14 A G 19: 11,281,323 (GRCm39) Y412H possibly damaging Het
Mucl2 A C 15: 103,926,318 (GRCm39) I124S unknown Het
Myh3 A G 11: 66,981,921 (GRCm39) M806V probably benign Het
Nelfcd T C 2: 174,268,189 (GRCm39) L501P probably damaging Het
Nlrp6 C A 7: 140,505,097 (GRCm39) P748Q probably benign Het
Or1j13 C T 2: 36,370,138 (GRCm39) M1I probably null Het
Or6n2 T C 1: 173,897,664 (GRCm39) S267P probably benign Het
Plxna2 G A 1: 194,327,127 (GRCm39) A354T probably benign Het
Prpf39 G T 12: 65,100,145 (GRCm39) V273L probably benign Het
Rad9a T C 19: 4,251,522 (GRCm39) probably benign Het
Rnf135 A G 11: 80,089,732 (GRCm39) D356G probably benign Het
Rragd G T 4: 33,004,166 (GRCm39) A153S possibly damaging Het
Selenot G T 3: 58,492,653 (GRCm39) V47L probably benign Het
Smc2 T C 4: 52,451,013 (GRCm39) L277P probably damaging Het
Sp7 A G 15: 102,267,584 (GRCm39) F92S possibly damaging Het
Spata1 A T 3: 146,173,946 (GRCm39) I380N possibly damaging Het
Spdye4b G T 5: 143,180,652 (GRCm39) R39S possibly damaging Het
Spmip9 T C 6: 70,890,621 (GRCm39) K57R probably benign Het
Stom C A 2: 35,211,589 (GRCm39) R144L possibly damaging Het
Tsc22d1 T C 14: 76,653,486 (GRCm39) probably benign Het
Unc13b A G 4: 43,249,565 (GRCm39) T998A probably benign Het
Vcl C A 14: 21,079,392 (GRCm39) A965D probably damaging Het
Vmn1r69 A T 7: 10,314,281 (GRCm39) V150D probably damaging Het
Vmn1r90 T G 7: 14,295,189 (GRCm39) N303T possibly damaging Het
Vmn2r69 A T 7: 85,059,622 (GRCm39) M429K probably benign Het
Vmn2r8 T A 5: 108,950,106 (GRCm39) Y247F probably benign Het
Washc5 A T 15: 59,239,260 (GRCm39) S168T possibly 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
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'- ACTCCCTTCAAGACCTTAATGAAG -3'
(R):5'- AACTCTTGGCTTTCACCCAG -3'

Sequencing Primer
(F):5'- GACCTTAATGAAGATTTACACGACC -3'
(R):5'- AGCTCTTTGCCCAGTATTTGGC -3'
Posted On 2019-10-17