Incidental Mutation 'R5909:Impg2'
ID 460882
Institutional Source Beutler Lab
Gene Symbol Impg2
Ensembl Gene ENSMUSG00000035270
Gene Name interphotoreceptor matrix proteoglycan 2
Synonyms IPM200, Spacrcan, PG10.2
MMRRC Submission 044106-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.106) question?
Stock # R5909 (G1)
Quality Score 225
Status Not validated
Chromosome 16
Chromosomal Location 56024676-56094119 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 56078499 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 487 (V487A)
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: V487A

PolyPhen 2 Score 0.986 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000063648
Gene: ENSMUSG00000035270
AA Change: V487A

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
SMART Domains Protein: ENSMUSP00000125135
Gene: ENSMUSG00000035270

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: 99.9%
  • 3x: 99.5%
  • 10x: 97.8%
  • 20x: 93.6%
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: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts8 T C 9: 30,873,224 (GRCm39) S810P probably benign Het
Adcy7 A T 8: 89,052,124 (GRCm39) I931F probably damaging Het
Alcam G T 16: 52,111,356 (GRCm39) Q248K probably benign Het
Astn1 A C 1: 158,429,507 (GRCm39) R750S probably damaging Het
Atp1a2 A T 1: 172,114,797 (GRCm39) N329K probably damaging Het
Bcl6 A G 16: 23,791,556 (GRCm39) V266A probably benign Het
Bdp1 A G 13: 100,228,794 (GRCm39) V278A probably benign Het
Ccdc162 T C 10: 41,437,111 (GRCm39) E493G probably damaging Het
Cpvl T C 6: 53,909,413 (GRCm39) Y241C probably damaging Het
Ddx55 T C 5: 124,704,913 (GRCm39) M390T probably benign Het
Ero1b A G 13: 12,594,139 (GRCm39) E102G probably benign Het
Etnk1 A G 6: 143,143,164 (GRCm39) D273G probably benign Het
Exoc3 A G 13: 74,347,643 (GRCm39) V109A probably damaging Het
F830016B08Rik T A 18: 60,433,091 (GRCm39) I58N probably damaging Het
Fancd2 T A 6: 113,538,672 (GRCm39) V589E probably benign Het
Fbll1 G A 11: 35,689,159 (GRCm39) R35C unknown Het
Fnbp1 A G 2: 30,938,211 (GRCm39) probably null Het
Glce G T 9: 61,967,426 (GRCm39) A575D probably damaging Het
Ift20 T A 11: 78,430,867 (GRCm39) M70K possibly damaging Het
Isx A G 8: 75,619,426 (GRCm39) D206G probably benign Het
Jak3 A G 8: 72,136,875 (GRCm39) I684V possibly damaging Het
Kdm5d G A Y: 941,306 (GRCm39) S1169N probably benign Het
Krt35 A T 11: 99,986,639 (GRCm39) L125Q probably damaging Het
Lama4 G A 10: 38,948,855 (GRCm39) A873T probably benign Het
Lrch4 T C 5: 137,632,127 (GRCm39) S74P possibly damaging Het
Maneal A T 4: 124,750,966 (GRCm39) Y263* probably null Het
Mcat C T 15: 83,432,116 (GRCm39) A251T probably benign Het
Mup3 T G 4: 62,004,244 (GRCm39) T90P probably benign Het
Mybpc2 G A 7: 44,156,515 (GRCm39) A812V probably damaging Het
Naa15 T C 3: 51,367,485 (GRCm39) F503L probably damaging Het
Nudt8 T C 19: 4,050,727 (GRCm39) L25S possibly damaging Het
Oas1e A T 5: 120,926,972 (GRCm39) V245D probably damaging Het
Ofcc1 A G 13: 40,417,054 (GRCm39) M109T possibly damaging Het
Or4c58 A G 2: 89,674,735 (GRCm39) V194A possibly damaging Het
Or4p18 A T 2: 88,232,535 (GRCm39) F248I probably damaging Het
Phkb G T 8: 86,748,076 (GRCm39) probably null Het
Pidd1 A C 7: 141,021,183 (GRCm39) L365R probably damaging Het
Pira12 G A 7: 3,900,621 (GRCm39) T43I probably damaging Het
Pkd1l2 G A 8: 117,750,795 (GRCm39) R1739C probably benign Het
Pkdrej A T 15: 85,702,497 (GRCm39) D1146E possibly damaging Het
Pkhd1l1 G T 15: 44,390,159 (GRCm39) W1425L probably damaging Het
Plxna4 A G 6: 32,494,181 (GRCm39) L145P probably damaging Het
Plxnd1 G T 6: 115,945,649 (GRCm39) D941E probably benign Het
Prdm13 G T 4: 21,683,894 (GRCm39) Q126K unknown Het
Rbm25 T A 12: 83,728,362 (GRCm39) V837E probably damaging Het
Rcc2 T A 4: 140,444,379 (GRCm39) Y357N probably damaging Het
Siglec1 A T 2: 130,919,884 (GRCm39) N882K probably damaging Het
Sox13 A G 1: 133,311,627 (GRCm39) I535T probably benign Het
Srrm2 T C 17: 24,040,291 (GRCm39) S2408P probably benign Het
Stat3 G A 11: 100,794,556 (GRCm39) T251I probably benign Het
Sulf1 A T 1: 12,929,039 (GRCm39) D102V possibly damaging Het
Tbc1d2 C T 4: 46,629,912 (GRCm39) G252R probably benign Het
Tmem145 G T 7: 25,007,618 (GRCm39) L208F possibly damaging Het
Trim17 A T 11: 58,859,506 (GRCm39) E240V probably damaging Het
Trim43b A T 9: 88,967,451 (GRCm39) I395K possibly damaging Het
Trmt61a C A 12: 111,647,292 (GRCm39) H130N probably damaging Het
Unc5b A C 10: 60,608,138 (GRCm39) L654R probably damaging Het
Vmn1r66 A T 7: 10,008,269 (GRCm39) S255T probably benign Het
Ylpm1 C T 12: 85,087,660 (GRCm39) P1148L probably damaging Het
Zbtb10 T C 3: 9,345,109 (GRCm39) F677S probably benign Het
Zfp493 T A 13: 67,934,717 (GRCm39) C223* 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
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
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'- CCCTTCAAGCTGAATGGCTC -3'
(R):5'- CCCTAGTGAGTGCTATCATGTTTTC -3'

Sequencing Primer
(F):5'- TCAAGCTGAATGGCTCTCAGC -3'
(R):5'- GTGAGTGCTATCATGTTTTCCTCTTC -3'
Posted On 2017-02-28