Incidental Mutation 'R4193:Impg2'
ID 318451
Institutional Source Beutler Lab
Gene Symbol Impg2
Ensembl Gene ENSMUSG00000035270
Gene Name interphotoreceptor matrix proteoglycan 2
Synonyms IPM200, Spacrcan, PG10.2
MMRRC Submission 041024-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.106) question?
Stock # R4193 (G1)
Quality Score 214
Status Not validated
Chromosome 16
Chromosomal Location 56024676-56094119 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 56088774 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 1100 (D1100G)
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: D1209G

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000063648
Gene: ENSMUSG00000035270
AA Change: D1209G

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: D1100G

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000125135
Gene: ENSMUSG00000035270
AA Change: D1100G

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: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.3%
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: 76 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930474N05Rik G T 14: 35,818,536 (GRCm39) R178L possibly damaging Het
Abcb1a G A 5: 8,765,068 (GRCm39) probably null Het
Acap3 A G 4: 155,986,234 (GRCm39) T285A probably benign Het
Adam20 A T 8: 41,248,352 (GRCm39) N154I probably damaging Het
Adamts8 A T 9: 30,870,604 (GRCm39) D693V probably damaging Het
Ak9 A G 10: 41,211,941 (GRCm39) H226R probably benign Het
Atp6v1b1 A G 6: 83,720,085 (GRCm39) S7G probably benign Het
Atxn7l3b C A 10: 112,764,610 (GRCm39) L6F probably damaging Het
Bco1 C T 8: 117,840,208 (GRCm39) T242M probably damaging Het
Btla A G 16: 45,070,845 (GRCm39) N268S probably benign Het
Capn9 A G 8: 125,327,225 (GRCm39) S292G probably null Het
Cdhr18 C T 14: 13,914,416 (GRCm38) V9I probably benign Het
Col7a1 G A 9: 108,785,740 (GRCm39) S403N unknown Het
Ctps1 A G 4: 120,405,335 (GRCm39) V369A probably damaging Het
Ddx19b A T 8: 111,737,980 (GRCm39) L256Q probably damaging Het
Dnah7a T C 1: 53,486,493 (GRCm39) K3356R probably benign Het
Dpf2 G A 19: 5,957,044 (GRCm39) R60* probably null Het
Eif3h A T 15: 51,662,695 (GRCm39) V117E probably damaging Het
Fam234a A T 17: 26,432,834 (GRCm39) L467Q probably damaging Het
Fez1 T A 9: 36,755,023 (GRCm39) S7R probably damaging Het
Fh1 T A 1: 175,442,407 (GRCm39) M148L possibly damaging Het
Gabra2 G A 5: 71,165,341 (GRCm39) P210S probably benign Het
Gfm1 T G 3: 67,339,053 (GRCm39) I52S probably damaging Het
Gm6729 A T 10: 86,376,483 (GRCm39) noncoding transcript Het
Gpr152 T G 19: 4,192,906 (GRCm39) L149R probably damaging Het
H2bc27 T A 11: 58,840,067 (GRCm39) L101Q probably damaging Het
Ifnar2 A T 16: 91,201,232 (GRCm39) D491V probably damaging Het
Igkv14-126 T C 6: 67,873,367 (GRCm39) S32P possibly damaging Het
Il1rl2 A G 1: 40,404,208 (GRCm39) E443G probably damaging Het
Itga2 G A 13: 115,023,185 (GRCm39) R56* probably null Het
Itga2b A G 11: 102,360,511 (GRCm39) S10P probably benign Het
Jmjd1c C T 10: 66,932,460 (GRCm39) probably benign Het
Kdm7a T G 6: 39,146,030 (GRCm39) K299T probably damaging Het
Large2 T A 2: 92,195,704 (GRCm39) D632V probably damaging Het
Lrp2 C T 2: 69,297,487 (GRCm39) C3158Y probably damaging Het
Malt1 T A 18: 65,580,746 (GRCm39) D213E probably benign Het
Nkapl T C 13: 21,651,512 (GRCm39) Q367R probably benign Het
Nwd2 T C 5: 63,964,808 (GRCm39) L1464P probably damaging Het
Or1e25 C G 11: 73,494,243 (GRCm39) T279R probably damaging Het
Or2y1 A C 11: 49,386,134 (GRCm39) Y258S probably damaging Het
Or7a40 A T 16: 16,491,511 (GRCm39) D111E possibly damaging Het
Or8u10 T A 2: 85,916,044 (GRCm39) I26F probably benign Het
Or9g20 C T 2: 85,630,362 (GRCm39) C84Y probably benign Het
P2ry2 A G 7: 100,647,657 (GRCm39) V216A probably benign Het
Pcdhb1 A G 18: 37,400,199 (GRCm39) K717E probably damaging Het
Pcdhgb8 G C 18: 37,896,594 (GRCm39) D555H probably damaging Het
Pcsk6 T C 7: 65,675,056 (GRCm39) S476P probably damaging Het
Phactr3 T A 2: 177,924,945 (GRCm39) H293Q probably damaging Het
Pias1 T C 9: 62,859,286 (GRCm39) D74G possibly damaging Het
Plekhg6 T C 6: 125,350,081 (GRCm39) T286A probably benign Het
Pramel23 A T 4: 143,424,903 (GRCm39) L180Q probably damaging Het
Prkag2 A C 5: 25,083,758 (GRCm39) M75R probably damaging Het
Prl7c1 T A 13: 27,960,261 (GRCm39) M94L probably benign Het
Prodh C T 16: 17,891,504 (GRCm39) V480I probably benign Het
Ptprn2 A G 12: 116,864,628 (GRCm39) I548V probably benign Het
Ptprr T C 10: 116,088,769 (GRCm39) W307R probably damaging Het
Rab29 T C 1: 131,797,700 (GRCm39) S52P possibly damaging Het
Ralgapa2 A G 2: 146,184,493 (GRCm39) F1505L probably damaging Het
Scn8a C T 15: 100,869,484 (GRCm39) A209V probably damaging Het
Senp2 G T 16: 21,865,417 (GRCm39) W580L probably damaging Het
Septin4 A T 11: 87,474,142 (GRCm39) probably null Het
Slc17a5 C A 9: 78,466,388 (GRCm39) V269L possibly damaging Het
Slc2a9 T C 5: 38,556,049 (GRCm39) N299S probably damaging Het
Slc41a2 T A 10: 83,137,085 (GRCm39) H274L probably damaging Het
Suco A T 1: 161,691,528 (GRCm39) D43E probably benign Het
Tacr2 T A 10: 62,088,958 (GRCm39) I121N probably damaging Het
Tanc2 G A 11: 105,804,888 (GRCm39) probably benign Het
Tbl1xr1 T C 3: 22,254,522 (GRCm39) F322L possibly damaging Het
Tdrd1 T A 19: 56,839,773 (GRCm39) L611* probably null Het
Tgfbr2 T C 9: 115,939,009 (GRCm39) T298A probably damaging Het
Tmprss12 T C 15: 100,187,185 (GRCm39) V217A probably damaging Het
Ttbk1 A T 17: 46,790,173 (GRCm39) C91S probably damaging Het
Vit A G 17: 78,894,255 (GRCm39) H219R probably benign Het
Vmn1r71 A T 7: 10,482,175 (GRCm39) I105K possibly damaging Het
Vmn2r57 A G 7: 41,077,663 (GRCm39) F168L probably benign Het
Zfp945 C T 17: 23,070,144 (GRCm39) 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
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
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'- ATTTGAGCATCCAGAGGAGAGC -3'
(R):5'- GGCTTGAAGCTCAAATTTTAATGCC -3'

Sequencing Primer
(F):5'- TTTTGCAGCTCCAGCAGG -3'
(R):5'- GAAGCTCAAATTTTAATGCCCCCTG -3'
Posted On 2015-06-10