Incidental Mutation 'R9243:Impg2'
ID 701117
Institutional Source Beutler Lab
Gene Symbol Impg2
Ensembl Gene ENSMUSG00000035270
Gene Name interphotoreceptor matrix proteoglycan 2
Synonyms IPM200, Spacrcan, PG10.2
MMRRC Submission
Accession Numbers
Essential gene? Probably non essential (E-score: 0.102) question?
Stock # R9243 (G1)
Quality Score 225.009
Status Validated
Chromosome 16
Chromosomal Location 56024676-56094119 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 56051823 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Cysteine at position 242 (S242C)
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: S242C

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000063648
Gene: ENSMUSG00000035270
AA Change: S242C

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: S242C

PolyPhen 2 Score 0.969 (Sensitivity: 0.77; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000125135
Gene: ENSMUSG00000035270
AA Change: S242C

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: 98.9%
Validation Efficiency 96% (51/53)
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Akap6 T A 12: 53,188,035 (GRCm39) S1816R probably benign Het
Appl1 A T 14: 26,649,710 (GRCm39) F605L possibly damaging Het
Cacna1g T A 11: 94,347,893 (GRCm39) I732F possibly damaging Het
Capg T A 6: 72,538,070 (GRCm39) S319T probably benign Het
Cdh17 T A 4: 11,771,333 (GRCm39) F38L probably benign Het
Cep295 T A 9: 15,243,605 (GRCm39) N1617I probably benign Het
Cep57 C T 9: 13,738,204 (GRCm39) probably benign Het
Cfap46 A T 7: 139,195,265 (GRCm39) probably benign Het
Csnk1g2 C A 10: 80,475,648 (GRCm39) A405E probably damaging Het
Dock7 A G 4: 98,857,871 (GRCm39) V1481A unknown Het
Exoc2 T C 13: 31,109,778 (GRCm39) K197E probably benign Het
Fancg C T 4: 43,006,565 (GRCm39) V330I possibly damaging Het
Fktn G A 4: 53,734,854 (GRCm39) G125D probably benign Het
Gad2 A G 2: 22,525,053 (GRCm39) E279G possibly damaging Het
Gria1 A G 11: 57,128,888 (GRCm39) Y454C probably benign Het
Grik3 C T 4: 125,601,690 (GRCm39) R856C probably benign Het
Hdac4 C A 1: 91,900,511 (GRCm39) R622I probably damaging Het
Hdac4 T C 1: 91,900,512 (GRCm39) R622G probably benign Het
Htt T C 5: 35,056,276 (GRCm39) probably benign Het
Idh1 A G 1: 65,207,656 (GRCm39) probably null Het
Igf1r A G 7: 67,861,775 (GRCm39) S1112G probably benign Het
Itgb1 T A 8: 129,433,587 (GRCm39) S34T probably benign Het
Kcnh8 A G 17: 53,205,542 (GRCm39) I546V probably damaging Het
Klrd1 T G 6: 129,568,795 (GRCm39) M1R probably null Het
Krtap16-1 A T 11: 99,876,644 (GRCm39) C253* probably null Het
Mapk7 A G 11: 61,384,535 (GRCm39) I57T possibly damaging Het
Msrb2 A G 2: 19,388,073 (GRCm39) N74D probably benign Het
Myd88 A T 9: 119,168,773 (GRCm39) S85T probably benign Het
Myo1c G T 11: 75,541,437 (GRCm39) probably benign Het
Nnt T A 13: 119,494,060 (GRCm39) N674Y unknown Het
Nrcam A G 12: 44,620,607 (GRCm39) Y878C probably damaging Het
Obscn T C 11: 59,023,392 (GRCm39) T662A probably benign Het
Or14j4 T C 17: 37,921,408 (GRCm39) Q78R probably benign Het
Or4l15 A G 14: 50,197,881 (GRCm39) V216A probably benign Het
Or51ah3 A G 7: 103,209,782 (GRCm39) S33G probably benign Het
Or8k40 A G 2: 86,584,282 (GRCm39) S267P possibly damaging Het
Pappa2 C A 1: 158,763,763 (GRCm39) V583L probably damaging Het
Parp1 T G 1: 180,415,680 (GRCm39) S500A probably benign Het
Pcdhb17 A G 18: 37,619,989 (GRCm39) D593G probably damaging Het
Pex19 GTCTCTTGTCTCCGAAGGTGCTCTTGATGATTTCTCTTGTCTCCGAAGGTGCTCTTGATGATTTC GTCTCTTGTCTCCGAAGGTGCTCTTGATGATTTC 1: 171,956,150 (GRCm39) probably null Het
Prrc1 C G 18: 57,496,271 (GRCm39) S74W possibly damaging Het
Rag2 G A 2: 101,460,419 (GRCm39) G243D probably damaging Het
Sgpp1 T C 12: 75,781,961 (GRCm39) E126G probably damaging Het
Skic2 G A 17: 35,064,198 (GRCm39) T496M probably benign Het
Slc17a1 C A 13: 24,064,432 (GRCm39) F329L probably benign Het
Slc52a3 G A 2: 151,846,512 (GRCm39) V158I probably benign Het
Slf1 T A 13: 77,273,575 (GRCm39) T75S possibly damaging Het
Smok2b G A 17: 13,453,637 (GRCm39) probably null Het
Tmem125 A T 4: 118,399,089 (GRCm39) V114E probably damaging Het
Ube2f A T 1: 91,181,980 (GRCm39) probably benign Het
Zdhhc19 T A 16: 32,315,992 (GRCm39) F30I probably damaging Het
Zfp236 T C 18: 82,662,050 (GRCm39) probably benign Het
Zfp462 C A 4: 55,009,595 (GRCm39) Y520* probably null Het
Zzz3 A G 3: 152,133,920 (GRCm39) D326G 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
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
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'- GCACTGAAGGAATAAGGTCATTC -3'
(R):5'- ACCACTCACGGGTGATTTTG -3'

Sequencing Primer
(F):5'- TGTGAAACTCTGAGGGGAG -3'
(R):5'- GGTTTCCTATAATGCACATGTCAG -3'
Posted On 2022-03-25