Incidental Mutation 'IGL01660:Gja1'
ID 103126
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Gja1
Ensembl Gene ENSMUSG00000050953
Gene Name gap junction protein, alpha 1
Synonyms Gja-1, Cnx43, Cx43, connexin43, alpha 1 connexin, Cx43alpha1, connexin 43
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL01660
Quality Score
Status
Chromosome 10
Chromosomal Location 56253297-56266519 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 56264544 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 301 (Y301C)
Ref Sequence ENSEMBL: ENSMUSP00000151620 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000068581] [ENSMUST00000217789] [ENSMUST00000218444] [ENSMUST00000218834] [ENSMUST00000220069] [ENSMUST00000220194]
AlphaFold P23242
Predicted Effect probably damaging
Transcript: ENSMUST00000068581
AA Change: Y301C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000064536
Gene: ENSMUSG00000050953
AA Change: Y301C

DomainStartEndE-ValueType
CNX 43 76 5.34e-20 SMART
low complexity region 102 114 N/A INTRINSIC
Connexin_CCC 165 231 5.06e-39 SMART
Pfam:Connexin43 293 312 5e-14 PFAM
low complexity region 362 377 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000217789
Predicted Effect probably benign
Transcript: ENSMUST00000218444
Predicted Effect probably benign
Transcript: ENSMUST00000218834
Predicted Effect probably damaging
Transcript: ENSMUST00000220069
AA Change: Y301C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Predicted Effect probably benign
Transcript: ENSMUST00000220194
Predicted Effect noncoding transcript
Transcript: ENSMUST00000220204
Coding Region Coverage
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene is a member of the connexin gene family. The encoded protein is a component of gap junctions, which are composed of arrays of intercellular channels that provide a route for the diffusion of low molecular weight materials from cell to cell. The encoded protein is the major protein of gap junctions in the heart that are thought to have a crucial role in the synchronized contraction of the heart and in embryonic development. A related intronless pseudogene has been mapped to chromosome 5. Mutations in this gene have been associated with oculodentodigital dysplasia, autosomal recessive craniometaphyseal dysplasia and heart malformations. [provided by RefSeq, May 2014]
PHENOTYPE: Mutant homozygotes are neonatal lethal with heart and outflow tract malformations, eye lens anomalies, and male germ cell deficiency. Conditional deletion in ovary affects follicular development, in astrocytes enhances locomotor activity, and in neural cells produces behavioral and neural defects. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acta2 A G 19: 34,229,191 (GRCm39) I66T probably damaging Het
Actl11 T C 9: 107,806,247 (GRCm39) V190A probably benign Het
Ankub1 T A 3: 57,597,817 (GRCm39) Y51F possibly damaging Het
Armh3 A T 19: 45,928,915 (GRCm39) L393H probably damaging Het
Ccdc63 G A 5: 122,249,027 (GRCm39) S434L possibly damaging Het
Cdan1 T A 2: 120,556,134 (GRCm39) I711F possibly damaging Het
Cep170b C A 12: 112,710,594 (GRCm39) N1474K probably damaging Het
Cyp2c40 A G 19: 39,775,254 (GRCm39) S333P probably damaging Het
Dars1 A G 1: 128,343,081 (GRCm39) probably benign Het
Dock3 T A 9: 106,909,563 (GRCm39) probably benign Het
Dsp A G 13: 38,360,471 (GRCm39) I359V possibly damaging Het
Fut8 T G 12: 77,497,032 (GRCm39) L414* probably null Het
Glipr1l1 T C 10: 111,908,184 (GRCm39) S161P probably damaging Het
Gpat4 A T 8: 23,665,354 (GRCm39) probably null Het
Grhl1 T A 12: 24,658,577 (GRCm39) probably null Het
Hectd3 T C 4: 116,853,569 (GRCm39) V181A possibly damaging Het
Htr2a T A 14: 74,943,194 (GRCm39) I258N probably damaging Het
Hyou1 T A 9: 44,292,414 (GRCm39) D83E possibly damaging Het
Myh10 T A 11: 68,676,715 (GRCm39) L862Q probably benign Het
Nkx2-2 T C 2: 147,027,833 (GRCm39) S36G probably benign Het
Nsun2 T A 13: 69,771,368 (GRCm39) V326E probably benign Het
Nuak2 T C 1: 132,259,308 (GRCm39) V362A probably benign Het
Nyap2 G A 1: 81,169,642 (GRCm39) C133Y probably damaging Het
Oas2 T C 5: 120,879,288 (GRCm39) T351A probably benign Het
Or11m3 C T 15: 98,396,076 (GRCm39) T241I probably damaging Het
Or5m13 T C 2: 85,748,908 (GRCm39) I213T probably benign Het
Pde4d A T 13: 110,074,606 (GRCm39) I404F probably damaging Het
Pga5 A G 19: 10,652,456 (GRCm39) S95P probably damaging Het
Pitpnm2 A T 5: 124,261,257 (GRCm39) D947E probably damaging Het
Pla2g10 C T 16: 13,545,950 (GRCm39) R28H probably damaging Het
Prlr A G 15: 10,317,676 (GRCm39) D84G probably damaging Het
Rbm15b C T 9: 106,762,908 (GRCm39) G420D probably damaging Het
Tbcd A G 11: 121,496,153 (GRCm39) T1063A probably benign Het
Tmc2 C T 2: 130,102,144 (GRCm39) Q770* probably null Het
Tpo T C 12: 30,169,399 (GRCm39) probably benign Het
Vim A G 2: 13,579,624 (GRCm39) N128D probably damaging Het
Vmn1r21 A T 6: 57,821,222 (GRCm39) I74N probably damaging Het
Vmn2r52 A C 7: 9,893,107 (GRCm39) I677M probably damaging Het
Other mutations in Gja1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00272:Gja1 APN 10 56,264,418 (GRCm39) missense probably benign 0.03
IGL02387:Gja1 APN 10 56,263,902 (GRCm39) missense possibly damaging 0.48
IGL02596:Gja1 APN 10 56,264,348 (GRCm39) missense possibly damaging 0.77
R0607:Gja1 UTSW 10 56,264,166 (GRCm39) missense possibly damaging 0.58
R1386:Gja1 UTSW 10 56,264,065 (GRCm39) missense probably benign 0.01
R4084:Gja1 UTSW 10 56,264,607 (GRCm39) missense possibly damaging 0.70
R4542:Gja1 UTSW 10 56,264,148 (GRCm39) missense probably damaging 1.00
R4601:Gja1 UTSW 10 56,264,325 (GRCm39) missense probably damaging 1.00
R5061:Gja1 UTSW 10 56,263,752 (GRCm39) missense probably damaging 1.00
R5301:Gja1 UTSW 10 56,264,475 (GRCm39) missense probably damaging 0.96
R5740:Gja1 UTSW 10 56,264,285 (GRCm39) missense probably damaging 0.99
R5808:Gja1 UTSW 10 56,264,594 (GRCm39) missense probably benign 0.14
R6120:Gja1 UTSW 10 56,264,601 (GRCm39) missense probably benign 0.00
R6192:Gja1 UTSW 10 56,264,330 (GRCm39) missense probably damaging 1.00
R7057:Gja1 UTSW 10 56,264,129 (GRCm39) missense probably benign 0.30
R7227:Gja1 UTSW 10 56,263,752 (GRCm39) missense probably damaging 1.00
R7894:Gja1 UTSW 10 56,264,645 (GRCm39) missense possibly damaging 0.82
R8559:Gja1 UTSW 10 56,264,304 (GRCm39) missense probably damaging 1.00
Posted On 2014-01-21