Incidental Mutation 'R4542:Gja1'
ID 333591
Institutional Source Beutler Lab
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
MMRRC Submission 041593-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4542 (G1)
Quality Score 225
Status Not validated
Chromosome 10
Chromosomal Location 56253297-56266519 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 56264148 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Serine at position 169 (F169S)
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: F169S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000064536
Gene: ENSMUSG00000050953
AA Change: F169S

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: F169S

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
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.7%
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700017B05Rik A T 9: 57,163,875 (GRCm39) L833Q probably damaging Het
Adcy6 C G 15: 98,496,869 (GRCm39) V469L possibly damaging Het
Bag4 C T 8: 26,259,516 (GRCm39) A228T probably benign Het
Bean1 T A 8: 104,937,591 (GRCm39) F57I probably damaging Het
Brinp1 T C 4: 68,680,329 (GRCm39) I734V probably benign Het
Cab39l C A 14: 59,734,351 (GRCm39) D23E probably benign Het
Cfap54 T C 10: 92,860,991 (GRCm39) T839A probably benign Het
Clgn A G 8: 84,146,838 (GRCm39) E297G probably damaging Het
Crip1 A G 12: 113,117,109 (GRCm39) Y108C probably damaging Het
Cxcr2 A G 1: 74,197,688 (GRCm39) S61G probably benign Het
Dph5 T C 3: 115,722,274 (GRCm39) S251P probably damaging Het
E2f7 T A 10: 110,602,984 (GRCm39) V333E probably damaging Het
Eif4g3 A G 4: 137,930,728 (GRCm39) D918G probably damaging Het
Epn1 A G 7: 5,096,980 (GRCm39) E254G possibly damaging Het
Fat1 T C 8: 45,494,931 (GRCm39) C4065R probably damaging Het
Kmt2b A G 7: 30,279,684 (GRCm39) I1384T probably damaging Het
Ltbp2 A T 12: 84,878,593 (GRCm39) L302* probably null Het
Nalcn T C 14: 123,558,889 (GRCm39) silent Het
Nlrp1b A C 11: 71,119,151 (GRCm39) L48W probably damaging Het
Nlrp4c G A 7: 6,103,826 (GRCm39) W920* probably null Het
Nr2f1 C T 13: 78,337,940 (GRCm39) G235D probably damaging Het
Nt5dc2 T A 14: 30,860,095 (GRCm39) D374E probably benign Het
Or2d3 GAACAACAACAA GAACAACAA 7: 106,490,567 (GRCm39) probably benign Het
Or51e2 T C 7: 102,391,850 (GRCm39) D120G probably damaging Het
Or5ak23 T C 2: 85,244,287 (GRCm39) D312G probably benign Het
Pikfyve T C 1: 65,283,589 (GRCm39) I742T probably damaging Het
Rftn1 A G 17: 50,362,259 (GRCm39) probably null Het
Rfx1 G A 8: 84,816,866 (GRCm39) G466S probably damaging Het
Scn11a A T 9: 119,584,200 (GRCm39) S1472T probably damaging Het
Sh2d4a A G 8: 68,799,394 (GRCm39) Q421R probably benign Het
Slc25a10 G A 11: 120,388,807 (GRCm39) probably null Het
Sost G A 11: 101,857,670 (GRCm39) P44S probably damaging Het
Spen T C 4: 141,204,097 (GRCm39) Y1510C unknown Het
Ssu72 A G 4: 155,817,934 (GRCm39) Q163R probably benign Het
Stau1 A G 2: 166,795,181 (GRCm39) Y223H probably damaging Het
Syne3 A T 12: 104,935,503 (GRCm39) S92T probably benign Het
Ulbp1 T C 10: 7,406,570 (GRCm39) D45G probably damaging Het
Ulk4 G A 9: 121,092,704 (GRCm39) R178* probably null Het
Vmn1r67 A G 7: 10,181,357 (GRCm39) Y207C probably damaging Het
Vmn2r59 T C 7: 41,695,497 (GRCm39) D305G possibly damaging Het
Zbtb18 A G 1: 177,276,232 (GRCm39) K522E probably damaging Het
Other mutations in Gja1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00272:Gja1 APN 10 56,264,418 (GRCm39) missense probably benign 0.03
IGL01660:Gja1 APN 10 56,264,544 (GRCm39) missense probably damaging 1.00
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
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
Predicted Primers PCR Primer
(F):5'- TCCTGTACTTGGCTCACGTG -3'
(R):5'- ATGATATTCAGAGCGAGAGACACC -3'

Sequencing Primer
(F):5'- ACTTGGCTCACGTGTTCTATG -3'
(R):5'- GCGAGAGACACCAAGGACAC -3'
Posted On 2015-08-18