Incidental Mutation 'R6959:Impg2'
ID 541681
Institutional Source Beutler Lab
Gene Symbol Impg2
Ensembl Gene ENSMUSG00000035270
Gene Name interphotoreceptor matrix proteoglycan 2
Synonyms IPM200, Spacrcan, PG10.2
MMRRC Submission 045069-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.106) question?
Stock # R6959 (G1)
Quality Score 211.009
Status Validated
Chromosome 16
Chromosomal Location 56024676-56094119 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 56088693 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Proline at position 1073 (H1073P)
Ref Sequence ENSEMBL: ENSMUSP00000125135 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000069936] [ENSMUST00000160116]
AlphaFold Q80XH2
Predicted Effect probably benign
Transcript: ENSMUST00000069936
AA Change: H1182P

PolyPhen 2 Score 0.006 (Sensitivity: 0.97; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000063648
Gene: ENSMUSG00000035270
AA Change: H1182P

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 benign
Transcript: ENSMUST00000160116
AA Change: H1073P

PolyPhen 2 Score 0.007 (Sensitivity: 0.96; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000125135
Gene: ENSMUSG00000035270
AA Change: H1073P

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: 99.8%
  • 10x: 99.0%
  • 20x: 96.5%
Validation Efficiency 94% (61/65)
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: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930544D05Rik G A 11: 70,507,485 (GRCm39) G177R probably damaging Het
Arhgef12 T C 9: 42,927,249 (GRCm39) T292A probably benign Het
Atp11a T A 8: 12,870,467 (GRCm39) D173E probably damaging Het
Bltp1 T G 3: 37,021,338 (GRCm39) V2154G probably damaging Het
Btnl2 G A 17: 34,582,333 (GRCm39) V300M possibly damaging Het
Calcrl A T 2: 84,200,428 (GRCm39) N117K possibly damaging Het
Castor2 T C 5: 134,164,052 (GRCm39) S83P probably damaging Het
Ccdc196 A G 12: 78,249,070 (GRCm39) K139E probably damaging Het
Ccl22 A T 8: 95,473,528 (GRCm39) probably null Het
Cd200r1 T A 16: 44,610,539 (GRCm39) S216T probably damaging Het
Cdk5rap2 G A 4: 70,278,906 (GRCm39) probably null Het
Cfap157 A G 2: 32,674,260 (GRCm39) I47T probably damaging Het
Chodl G A 16: 78,743,572 (GRCm39) V220I probably damaging Het
Cntnap5b A G 1: 100,202,197 (GRCm39) E348G probably benign Het
Cstf3 A G 2: 104,479,807 (GRCm39) T225A probably benign Het
Duoxa1 T C 2: 122,134,318 (GRCm39) S267G probably damaging Het
Epb41l1 G A 2: 156,341,507 (GRCm39) S164N probably benign Het
Fat3 T C 9: 15,908,181 (GRCm39) D2607G possibly damaging Het
Galnt5 A G 2: 57,889,231 (GRCm39) D277G probably benign Het
Galnt6 A G 15: 100,612,006 (GRCm39) I212T probably damaging Het
Gm45861 T C 8: 28,038,213 (GRCm39) probably null Het
Gm5478 T C 15: 101,553,883 (GRCm39) D243G probably damaging Het
Gse1 A G 8: 121,297,710 (GRCm39) probably benign Het
Hspg2 A T 4: 137,246,600 (GRCm39) Q1096L probably benign Het
Hycc1 T C 5: 24,196,754 (GRCm39) I45V possibly damaging Het
Idh3b A G 2: 130,123,447 (GRCm39) V181A probably damaging Het
Igf2bp3 T C 6: 49,094,082 (GRCm39) probably null Het
Ikzf2 A G 1: 69,577,929 (GRCm39) *382Q probably null Het
Incenp T C 19: 9,854,134 (GRCm39) E639G unknown Het
Kcne4 A G 1: 78,795,603 (GRCm39) M84V probably benign Het
Ktn1 T A 14: 47,957,713 (GRCm39) F1004I probably damaging Het
Lrit1 G C 14: 36,782,052 (GRCm39) V242L probably damaging Het
Malrd1 A G 2: 16,222,820 (GRCm39) I2040V probably damaging Het
Mau2 T C 8: 70,485,878 (GRCm39) D110G probably damaging Het
Mei1 T C 15: 82,009,076 (GRCm39) V1237A probably benign Het
Mfsd11 T G 11: 116,752,495 (GRCm39) probably null Het
Ncapd2 A G 6: 125,145,883 (GRCm39) F1293L probably benign Het
Nf1 A G 11: 79,440,294 (GRCm39) T280A probably damaging Het
Obscn G T 11: 58,928,411 (GRCm39) A6085E probably damaging Het
Or51b6b T A 7: 103,310,050 (GRCm39) I136F probably damaging Het
Pdzd2 C T 15: 12,375,993 (GRCm39) A1381T probably benign Het
Pramel41 T A 5: 94,594,891 (GRCm39) N250K possibly damaging Het
Ralgapa2 A G 2: 146,184,621 (GRCm39) V1462A probably damaging Het
Rbx1 T A 15: 81,355,163 (GRCm39) C56* probably null Het
Reln A G 5: 22,181,562 (GRCm39) S1774P probably damaging Het
Ros1 T A 10: 52,040,090 (GRCm39) E300D probably damaging Het
Sarnp T C 10: 128,684,137 (GRCm39) V111A possibly damaging Het
Scube1 G T 15: 83,513,636 (GRCm39) Q345K probably benign Het
Slc18b1 A G 10: 23,701,942 (GRCm39) probably null Het
Slc37a2 T A 9: 37,152,630 (GRCm39) T64S probably benign Het
Slit2 A G 5: 48,395,727 (GRCm39) D710G possibly damaging Het
Srp72 T A 5: 77,142,070 (GRCm39) Y375N possibly damaging Het
Tmco4 T A 4: 138,737,810 (GRCm39) V135D probably damaging Het
Trim62 A G 4: 128,802,955 (GRCm39) D335G probably damaging Het
Tsfm T C 10: 126,858,778 (GRCm39) M196V probably benign Het
Tspan10 T A 11: 120,335,522 (GRCm39) C211S probably damaging Het
Ttc21b A T 2: 66,061,656 (GRCm39) M498K probably benign Het
Ttc6 A T 12: 57,704,928 (GRCm39) probably null Het
Ttll1 G T 15: 83,386,397 (GRCm39) Y69* probably null Het
Usp28 T A 9: 48,912,842 (GRCm39) L31H probably damaging Het
Vmn2r86 A G 10: 130,282,400 (GRCm39) S739P probably damaging Het
Wdr64 T A 1: 175,533,555 (GRCm39) F64I probably damaging Het
Ywhaq A G 12: 21,446,281 (GRCm39) probably null Het
Zfr T C 15: 12,150,409 (GRCm39) S459P 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
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'- CACATATTTGAGCATCCAGAGGAG -3'
(R):5'- CCTGCACATTCTGTAAGATATCACC -3'

Sequencing Primer
(F):5'- GACAGTCTGTCATCTGTTG -3'
(R):5'- TTCCATCATCTCTCTAGAAACTCC -3'
Posted On 2018-11-28