Incidental Mutation 'R5532:Gja8'
ID 436210
Institutional Source Beutler Lab
Gene Symbol Gja8
Ensembl Gene ENSMUSG00000049908
Gene Name gap junction protein, alpha 8
Synonyms Cnx50, connexin 50, dcm, Cx50, Lop10, alpha 8 connexin, Aey5
MMRRC Submission 043090-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5532 (G1)
Quality Score 150
Status Not validated
Chromosome 3
Chromosomal Location 96820882-96833336 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 96827648 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Glycine at position 5 (S5G)
Ref Sequence ENSEMBL: ENSMUSP00000049532 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000062944] [ENSMUST00000199597]
AlphaFold P28236
Predicted Effect probably benign
Transcript: ENSMUST00000062944
AA Change: S5G

PolyPhen 2 Score 0.393 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000049532
Gene: ENSMUSG00000049908
AA Change: S5G

DomainStartEndE-ValueType
CNX 43 76 1.76e-20 SMART
low complexity region 134 147 N/A INTRINSIC
Connexin_CCC 168 234 2.8e-41 SMART
Pfam:Connexin50 267 333 7.3e-35 PFAM
low complexity region 337 355 N/A INTRINSIC
low complexity region 423 438 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000199597
SMART Domains Protein: ENSMUSP00000143542
Gene: ENSMUSG00000057123

DomainStartEndE-ValueType
CNX 43 76 3.47e-19 SMART
Connexin_CCC 163 229 2.45e-37 SMART
Pfam:Connexin40_C 257 358 2.4e-33 PFAM
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.1%
  • 20x: 94.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a transmembrane connexin protein that is necessary for lens growth and maturation of lens fiber cells. The encoded protein is a component of gap junction channels and functions in a calcium and pH-dependent manner. Mutations in this gene have been associated with zonular pulverulent cataracts, nuclear progressive cataracts, and cataract-microcornea syndrome. [provided by RefSeq, Dec 2009]
PHENOTYPE: Homozygous mutants exhibit microphthalmia, with small lenses and nuclear or total cataracts. Heterozygotes may be equally or less affected, depending on the particular mutation and the genetic background. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2ml1 T A 6: 128,530,293 (GRCm39) probably null Het
Adsl C G 15: 80,848,110 (GRCm39) P118A probably damaging Het
Ano6 C T 15: 95,860,122 (GRCm39) P748L probably damaging Het
Arhgap10 A T 8: 78,146,701 (GRCm39) N234K probably benign Het
Arhgap18 T A 10: 26,722,104 (GRCm39) I25K possibly damaging Het
AW551984 T C 9: 39,508,481 (GRCm39) Y345C probably damaging Het
Ccdc146 A G 5: 21,510,329 (GRCm39) V561A probably benign Het
Cenpv G A 11: 62,418,398 (GRCm39) T185M probably damaging Het
Fat2 T A 11: 55,153,163 (GRCm39) D3683V probably damaging Het
Galns T C 8: 123,311,765 (GRCm39) D415G possibly damaging Het
Gatad2a G A 8: 70,369,070 (GRCm39) T259M probably damaging Het
Ifi209 T C 1: 173,466,542 (GRCm39) S125P probably damaging Het
Iigp1c A G 18: 60,379,142 (GRCm39) I226V probably benign Het
Il12rb2 G A 6: 67,269,246 (GRCm39) R856W probably damaging Het
Kcnq3 A T 15: 65,869,622 (GRCm39) Y605* probably null Het
Klk1b16 T C 7: 43,790,950 (GRCm39) S251P probably benign Het
Map2 A G 1: 66,453,779 (GRCm39) N890D probably damaging Het
Map4 T A 9: 109,863,746 (GRCm39) S324T probably benign Het
Mmp28 T C 11: 83,333,684 (GRCm39) D419G probably damaging Het
Mtnr1b A G 9: 15,774,210 (GRCm39) L283P probably benign Het
Ndufb7 T A 8: 84,298,063 (GRCm39) Y95N probably damaging Het
Nfrkb C T 9: 31,309,075 (GRCm39) R280W probably damaging Het
Npc1l1 A G 11: 6,174,245 (GRCm39) Y687H probably damaging Het
Or6f1 A C 7: 85,970,879 (GRCm39) F94V possibly damaging Het
Or8b40 C T 9: 38,027,923 (GRCm39) T277I probably benign Het
Or8g51 T C 9: 38,608,943 (GRCm39) T240A probably damaging Het
Or8h9 T A 2: 86,788,924 (GRCm39) R293* probably null Het
Pabpc4l T C 3: 46,401,044 (GRCm39) D200G probably benign Het
Plekhg6 T C 6: 125,349,514 (GRCm39) E361G possibly damaging Het
Pramel31 A T 4: 144,090,061 (GRCm39) D367V probably damaging Het
Rictor A G 15: 6,819,046 (GRCm39) Y1423C probably damaging Het
Rsf1 G A 7: 97,329,902 (GRCm39) D1143N probably damaging Het
Spsb4 C T 9: 96,877,627 (GRCm39) probably null Het
Strada G T 11: 106,061,843 (GRCm39) A136E probably damaging Het
Syce2 A T 8: 85,610,131 (GRCm39) Q73L probably damaging Het
Teddm2 A T 1: 153,726,130 (GRCm39) V195D probably benign Het
Tex36 A T 7: 133,203,712 (GRCm39) N12K probably benign Het
Ubtf A G 11: 102,199,785 (GRCm39) S484P probably benign Het
Ufd1 T G 16: 18,636,680 (GRCm39) L66R probably damaging Het
Vmn2r74 C T 7: 85,601,197 (GRCm39) A814T probably benign Het
Vmn2r98 T C 17: 19,287,645 (GRCm39) S493P possibly damaging Het
Xrcc1 T A 7: 24,267,353 (GRCm39) probably null Het
Zfp277 A C 12: 40,385,308 (GRCm39) C305G probably damaging Het
Zfp998 A T 13: 66,579,740 (GRCm39) C248S probably damaging Het
Other mutations in Gja8
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01335:Gja8 APN 3 96,826,558 (GRCm39) missense probably benign
IGL02114:Gja8 APN 3 96,827,341 (GRCm39) missense probably benign 0.00
IGL02237:Gja8 APN 3 96,827,249 (GRCm39) missense probably benign 0.00
IGL03204:Gja8 APN 3 96,827,408 (GRCm39) missense probably damaging 1.00
guidance UTSW 3 96,826,740 (GRCm39) missense probably benign 0.00
L1 UTSW 3 96,827,513 (GRCm39) missense probably damaging 1.00
prediction UTSW 3 96,826,664 (GRCm39) missense possibly damaging 0.64
R1024:Gja8 UTSW 3 96,826,740 (GRCm39) missense probably benign 0.00
R2215:Gja8 UTSW 3 96,827,218 (GRCm39) missense probably damaging 0.98
R2240:Gja8 UTSW 3 96,827,618 (GRCm39) missense probably benign 0.05
R2510:Gja8 UTSW 3 96,827,033 (GRCm39) missense probably damaging 1.00
R2511:Gja8 UTSW 3 96,827,033 (GRCm39) missense probably damaging 1.00
R2926:Gja8 UTSW 3 96,826,469 (GRCm39) missense probably benign 0.00
R3725:Gja8 UTSW 3 96,827,161 (GRCm39) missense probably damaging 1.00
R4090:Gja8 UTSW 3 96,826,468 (GRCm39) missense probably benign 0.00
R4933:Gja8 UTSW 3 96,826,351 (GRCm39) intron probably benign
R5010:Gja8 UTSW 3 96,827,165 (GRCm39) missense probably benign 0.24
R5497:Gja8 UTSW 3 96,827,513 (GRCm39) missense probably damaging 1.00
R6997:Gja8 UTSW 3 96,826,657 (GRCm39) missense probably benign
R7381:Gja8 UTSW 3 96,827,338 (GRCm39) missense probably benign
R7576:Gja8 UTSW 3 96,827,209 (GRCm39) missense probably benign 0.05
R7792:Gja8 UTSW 3 96,827,092 (GRCm39) missense probably damaging 1.00
R7827:Gja8 UTSW 3 96,827,635 (GRCm39) missense possibly damaging 0.52
R8444:Gja8 UTSW 3 96,826,990 (GRCm39) missense probably damaging 1.00
R9016:Gja8 UTSW 3 96,827,521 (GRCm39) missense probably damaging 1.00
R9081:Gja8 UTSW 3 96,826,676 (GRCm39) missense probably damaging 1.00
R9230:Gja8 UTSW 3 96,826,664 (GRCm39) missense possibly damaging 0.64
Z1177:Gja8 UTSW 3 96,827,552 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AAAGGCCTCATCGTAGCAGAC -3'
(R):5'- ACACACTTTAAGAGCCCTTTCATC -3'

Sequencing Primer
(F):5'- GTAGCAGACATTCTCACAGCCTG -3'
(R):5'- CTCTTAGCACTAGTCGGCACAGATG -3'
Posted On 2016-10-24