Incidental Mutation 'R4356:Impg2'
ID 327569
Institutional Source Beutler Lab
Gene Symbol Impg2
Ensembl Gene ENSMUSG00000035270
Gene Name interphotoreceptor matrix proteoglycan 2
Synonyms IPM200, Spacrcan, PG10.2
MMRRC Submission 041669-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.102) question?
Stock # R4356 (G1)
Quality Score 225
Status Validated
Chromosome 16
Chromosomal Location 56024676-56094119 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 56080527 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 777 (T777I)
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: T777I

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000063648
Gene: ENSMUSG00000035270
AA Change: T777I

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: T668I

PolyPhen 2 Score 0.777 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000125135
Gene: ENSMUSG00000035270
AA Change: T668I

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
Meta Mutation Damage Score 0.1481 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.0%
Validation Efficiency 100% (58/58)
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl2fm1 T A 3: 59,843,701 (GRCm39) Y132N probably damaging Het
Adam21 T C 12: 81,605,594 (GRCm39) T723A probably damaging Het
Alox5 C T 6: 116,397,219 (GRCm39) V322I probably benign Het
Alpk1 C T 3: 127,523,022 (GRCm39) V7M probably damaging Het
Ankhd1 A T 18: 36,776,096 (GRCm39) K1482* probably null Het
Cacna1e A C 1: 154,319,727 (GRCm39) D1324E probably damaging Het
Ccdc150 A G 1: 54,392,213 (GRCm39) D657G probably damaging Het
Celsr1 A G 15: 85,863,028 (GRCm39) S1335P probably damaging Het
Cfhr4 T A 1: 139,660,048 (GRCm39) K621N probably damaging Het
Cspg5 A G 9: 110,085,245 (GRCm39) D391G probably damaging Het
Defa30 A T 8: 21,624,821 (GRCm39) D48V possibly damaging Het
E2f7 T C 10: 110,595,712 (GRCm39) Y136H probably damaging Het
Fam3d A G 14: 8,349,314 (GRCm38) L212P probably damaging Het
Fbxw25 A T 9: 109,491,153 (GRCm39) C122S probably damaging Het
Fgg A T 3: 82,920,250 (GRCm39) D343V probably damaging Het
Flnb T A 14: 7,922,700 (GRCm38) M1712K probably benign Het
Fnbp4 T C 2: 90,588,683 (GRCm39) S485P probably damaging Het
Ftsj3 G A 11: 106,144,502 (GRCm39) A134V probably benign Het
Gast C A 11: 100,227,373 (GRCm39) S22Y probably damaging Het
Gm20834 T A Y: 10,322,962 (GRCm39) H158L possibly damaging Het
Ids C A X: 69,389,950 (GRCm39) G506C probably damaging Het
Ifna15 G T 4: 88,476,079 (GRCm39) T135N probably benign Het
Igsf9b G A 9: 27,220,774 (GRCm39) V47I possibly damaging Het
Kif11 C A 19: 37,399,883 (GRCm39) T790K probably benign Het
Kif24 A G 4: 41,413,827 (GRCm39) probably null Het
Klk14 G A 7: 43,341,501 (GRCm39) C51Y probably damaging Het
Lrp10 C T 14: 54,705,823 (GRCm39) R338C probably damaging Het
Mib1 A G 18: 10,751,844 (GRCm39) N242S probably benign Het
Nectin1 A G 9: 43,703,802 (GRCm39) D264G probably benign Het
Nipsnap3a T C 4: 52,995,979 (GRCm39) probably null Het
Or10al3 G T 17: 38,011,790 (GRCm39) E76D probably damaging Het
Or5w14 G A 2: 87,542,229 (GRCm39) S7F possibly damaging Het
P3h4 A G 11: 100,304,452 (GRCm39) F263S probably damaging Het
Pcdhga4 C T 18: 37,820,664 (GRCm39) H738Y probably damaging Het
Prickle2 A T 6: 92,388,490 (GRCm39) I304K probably damaging Het
Ptprq A T 10: 107,444,225 (GRCm39) Y1460N probably damaging Het
Rbl2 A G 8: 91,833,735 (GRCm39) D812G probably damaging Het
Rbm19 A G 5: 120,278,427 (GRCm39) T737A possibly damaging Het
Rbsn G A 6: 92,184,029 (GRCm39) L95F possibly damaging Het
Sall4 T C 2: 168,597,400 (GRCm39) E480G probably benign Het
Scfd1 T A 12: 51,486,068 (GRCm39) N541K probably benign Het
Scube3 G A 17: 28,383,283 (GRCm39) G442S probably benign Het
Slc15a4 A G 5: 127,681,600 (GRCm39) probably null Het
Smarcc1 A G 9: 110,025,324 (GRCm39) D667G probably damaging Het
Sned1 A T 1: 93,193,113 (GRCm39) probably null Het
Spsb1 T C 4: 149,991,232 (GRCm39) H112R probably damaging Het
Sun3 A G 11: 8,966,328 (GRCm39) V231A probably damaging Het
Vmn2r106 A T 17: 20,499,910 (GRCm39) D108E probably benign Het
Xdh A G 17: 74,222,685 (GRCm39) V560A probably benign Het
Zfp352 T A 4: 90,112,071 (GRCm39) H70Q possibly damaging Het
Zfp40 C A 17: 23,396,164 (GRCm39) C73F probably benign Het
Zfp975 A C 7: 42,311,251 (GRCm39) L454R probably damaging Het
Zik1 A T 7: 10,224,268 (GRCm39) C276* probably null 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
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'- ACCCATCTTTGTAGAGTCCGC -3'
(R):5'- TCCTGGACCGCCATTATTAC -3'

Sequencing Primer
(F):5'- GTACCAGACATTGATTCTTACTCAC -3'
(R):5'- ACTTCCTCCTCTAGCTGGGTGG -3'
Posted On 2015-07-07