Incidental Mutation 'R7157:Gad2'
ID 557350
Institutional Source Beutler Lab
Gene Symbol Gad2
Ensembl Gene ENSMUSG00000026787
Gene Name glutamic acid decarboxylase 2
Synonyms Gad-2, GAD(65), GAD65, 6330404F12Rik
MMRRC Submission 045258-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7157 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 22512262-22583889 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 22525035 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 273 (L273P)
Ref Sequence ENSEMBL: ENSMUSP00000028123 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028123]
AlphaFold P48320
Predicted Effect probably damaging
Transcript: ENSMUST00000028123
AA Change: L273P

PolyPhen 2 Score 0.984 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000028123
Gene: ENSMUSG00000026787
AA Change: L273P

DomainStartEndE-ValueType
Pfam:Pyridoxal_deC 138 509 7.8e-138 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.2%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes one of several forms of glutamic acid decarboxylase, identified as a major autoantigen in insulin-dependent diabetes. The enzyme encoded is responsible for catalyzing the production of gamma-aminobutyric acid from L-glutamic acid. A pathogenic role for this enzyme has been identified in the human pancreas since it has been identified as an autoantibody and an autoreactive T cell target in insulin-dependent diabetes. This gene may also play a role in the stiff man syndrome. Alternative splicing results in multiple transcript variants that encode the same protein. [provided by RefSeq, Oct 2008]
PHENOTYPE: Homozygotes for targeted null mutations exhibit spontaneous (frequently fatal) seizures, increased anxiety-like behavior, and reduced intermale aggression. Heterozygotes show reduced aggressiveness. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610021A01Rik G A 7: 41,276,400 (GRCm39) G701D probably damaging Het
6030468B19Rik T A 11: 117,693,780 (GRCm39) N82K probably damaging Het
Abca17 A T 17: 24,554,564 (GRCm39) V130E possibly damaging Het
Alpk2 T A 18: 65,399,348 (GRCm39) K2077* probably null Het
Aox1 T C 1: 58,322,651 (GRCm39) F73S probably benign Het
Ap3b1 T A 13: 94,668,542 (GRCm39) C965* probably null Het
Arhgef10 T A 8: 14,980,030 (GRCm39) V90E probably damaging Het
Atr T A 9: 95,751,953 (GRCm39) H523Q probably benign Het
Bicdl1 G T 5: 115,789,916 (GRCm39) Q511K possibly damaging Het
Capn15 A T 17: 26,184,228 (GRCm39) N150K probably damaging Het
Card6 A T 15: 5,129,591 (GRCm39) W602R probably benign Het
Clnk A T 5: 38,927,234 (GRCm39) S82T possibly damaging Het
Cmah T C 13: 24,620,612 (GRCm39) I282T probably damaging Het
Cog8 A G 8: 107,779,131 (GRCm39) I382T probably benign Het
Dhrs7c G T 11: 67,700,722 (GRCm39) probably null Het
Dhrs9 T A 2: 69,223,502 (GRCm39) D83E probably damaging Het
Dmac2l A T 12: 69,788,562 (GRCm39) N154Y probably benign Het
Dmgdh G A 13: 93,852,043 (GRCm39) G624E probably damaging Het
Dnajc30 C A 5: 135,093,569 (GRCm39) F155L probably damaging Het
Drc7 A C 8: 95,800,778 (GRCm39) K600T probably damaging Het
Efhb A C 17: 53,707,928 (GRCm39) I745S probably damaging Het
Elp1 ACTTCTTCTTCTTCTTCTTCTTC ACTTCTTCTTCTTCTTCTTC 4: 56,781,176 (GRCm39) probably benign Het
Fasn T A 11: 120,701,291 (GRCm39) K1988* probably null Het
Gm45861 A T 8: 28,032,536 (GRCm39) K887* probably null Het
Gm45861 A T 8: 28,032,537 (GRCm39) K887I unknown Het
Gm9195 A G 14: 72,718,221 (GRCm39) Y152H probably damaging Het
Grip1 G A 10: 119,781,061 (GRCm39) D237N probably damaging Het
Hamp A C 7: 30,641,961 (GRCm39) C65G possibly damaging Het
Hes3 A G 4: 152,372,581 (GRCm39) probably benign Het
Hgh1 T C 15: 76,254,650 (GRCm39) I342T probably damaging Het
Hlcs T A 16: 94,069,023 (GRCm39) K66* probably null Het
Ift80 A T 3: 68,898,277 (GRCm39) C19* probably null Het
Kbtbd12 C T 6: 88,595,650 (GRCm39) C60Y probably damaging Het
Kdm4c T A 4: 74,263,804 (GRCm39) V696E probably benign Het
Lect2 A G 13: 56,690,803 (GRCm39) I117T unknown Het
Lipn T A 19: 34,054,390 (GRCm39) Y209* probably null Het
Lpin3 G A 2: 160,740,627 (GRCm39) V391I probably benign Het
Mocs2 A T 13: 114,961,143 (GRCm39) I47L probably benign Het
Mogs T A 6: 83,095,488 (GRCm39) H768Q probably benign Het
Nbeal1 T A 1: 60,276,317 (GRCm39) I686N probably damaging Het
Nbeal1 T A 1: 60,299,793 (GRCm39) C1376* probably null Het
Ninl A G 2: 150,791,263 (GRCm39) Y1087H possibly damaging Het
Or10a3 A G 7: 108,480,475 (GRCm39) F113L probably benign Het
Or10ak14 A G 4: 118,611,615 (GRCm39) V42A possibly damaging Het
Or4k5 A G 14: 50,385,689 (GRCm39) L214S probably damaging Het
Or51b6b A C 7: 103,309,788 (GRCm39) L223R probably damaging Het
Or6s1 A G 14: 51,308,616 (GRCm39) V78A possibly damaging Het
Or8k30 T A 2: 86,339,369 (GRCm39) C189S probably damaging Het
Pkn1 A G 8: 84,398,363 (GRCm39) F768S probably damaging Het
Plekha2 A G 8: 25,553,957 (GRCm39) F82L probably damaging Het
Ppie T C 4: 123,028,900 (GRCm39) E111G probably benign Het
Rps6ka5 T C 12: 100,547,679 (GRCm39) Y277C probably damaging Het
Scgb2b12 A G 7: 32,026,102 (GRCm39) V30A probably benign Het
Serac1 A T 17: 6,124,476 (GRCm39) S16T probably benign Het
Sf3a3 T C 4: 124,616,693 (GRCm39) Y192H probably damaging Het
Slc14a1 A G 18: 78,145,626 (GRCm39) V436A probably benign Het
Smc3 T A 19: 53,630,329 (GRCm39) M1112K probably damaging Het
Tnk2 G A 16: 32,499,986 (GRCm39) G1017E probably damaging Het
Tnn T A 1: 159,953,947 (GRCm39) K603* probably null Het
Trpm6 T C 19: 18,815,462 (GRCm39) S1183P possibly damaging Het
Ttn A T 2: 76,614,724 (GRCm39) V16964E possibly damaging Het
Usp17le G A 7: 104,417,696 (GRCm39) T482I probably benign Het
Vmn1r219 T A 13: 23,347,525 (GRCm39) M238K probably damaging Het
Wfs1 C T 5: 37,124,516 (GRCm39) G792S probably benign Het
Xpa A T 4: 46,185,612 (GRCm39) L122Q probably damaging Het
Other mutations in Gad2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00228:Gad2 APN 2 22,575,398 (GRCm39) missense probably benign 0.07
IGL00870:Gad2 APN 2 22,519,983 (GRCm39) missense probably benign 0.42
IGL01142:Gad2 APN 2 22,571,297 (GRCm39) splice site probably benign
IGL01577:Gad2 APN 2 22,571,292 (GRCm39) splice site probably benign
IGL01671:Gad2 APN 2 22,513,711 (GRCm39) nonsense probably null
IGL02346:Gad2 APN 2 22,519,951 (GRCm39) splice site probably benign
IGL02348:Gad2 APN 2 22,519,405 (GRCm39) missense probably damaging 1.00
IGL03113:Gad2 APN 2 22,571,367 (GRCm39) missense probably benign 0.09
gruene UTSW 2 22,575,079 (GRCm39) critical splice donor site probably null
Mosey UTSW 2 22,558,269 (GRCm39) missense probably damaging 1.00
R0630:Gad2 UTSW 2 22,580,348 (GRCm39) missense probably benign 0.14
R1109:Gad2 UTSW 2 22,580,171 (GRCm39) splice site probably benign
R1109:Gad2 UTSW 2 22,571,406 (GRCm39) missense probably damaging 1.00
R1122:Gad2 UTSW 2 22,513,463 (GRCm39) missense possibly damaging 0.68
R1604:Gad2 UTSW 2 22,513,852 (GRCm39) critical splice donor site probably null
R1773:Gad2 UTSW 2 22,580,219 (GRCm39) missense probably benign
R1895:Gad2 UTSW 2 22,575,440 (GRCm39) missense probably benign
R1946:Gad2 UTSW 2 22,575,440 (GRCm39) missense probably benign
R2329:Gad2 UTSW 2 22,558,301 (GRCm39) missense probably damaging 1.00
R2857:Gad2 UTSW 2 22,563,987 (GRCm39) missense probably benign 0.02
R3754:Gad2 UTSW 2 22,571,352 (GRCm39) missense possibly damaging 0.91
R3847:Gad2 UTSW 2 22,575,000 (GRCm39) missense probably benign 0.00
R4382:Gad2 UTSW 2 22,575,422 (GRCm39) missense probably benign
R4383:Gad2 UTSW 2 22,575,422 (GRCm39) missense probably benign
R4384:Gad2 UTSW 2 22,575,422 (GRCm39) missense probably benign
R4651:Gad2 UTSW 2 22,558,374 (GRCm39) missense probably damaging 1.00
R4700:Gad2 UTSW 2 22,563,982 (GRCm39) missense probably damaging 1.00
R4766:Gad2 UTSW 2 22,512,679 (GRCm39) missense probably damaging 0.99
R5279:Gad2 UTSW 2 22,563,969 (GRCm39) missense probably benign 0.38
R5372:Gad2 UTSW 2 22,580,255 (GRCm39) missense possibly damaging 0.84
R5505:Gad2 UTSW 2 22,514,845 (GRCm39) missense probably benign
R5820:Gad2 UTSW 2 22,580,261 (GRCm39) missense probably benign 0.00
R5868:Gad2 UTSW 2 22,575,079 (GRCm39) critical splice donor site probably null
R6026:Gad2 UTSW 2 22,513,748 (GRCm39) missense probably benign 0.00
R6497:Gad2 UTSW 2 22,558,269 (GRCm39) missense probably damaging 1.00
R6675:Gad2 UTSW 2 22,563,997 (GRCm39) missense possibly damaging 0.67
R7352:Gad2 UTSW 2 22,513,835 (GRCm39) missense probably benign 0.00
R7951:Gad2 UTSW 2 22,513,499 (GRCm39) missense probably damaging 0.96
R8285:Gad2 UTSW 2 22,514,940 (GRCm39) missense probably benign 0.45
R8549:Gad2 UTSW 2 22,525,059 (GRCm39) critical splice donor site probably null
R8737:Gad2 UTSW 2 22,524,985 (GRCm39) nonsense probably null
R9012:Gad2 UTSW 2 22,580,263 (GRCm39) missense possibly damaging 0.56
R9184:Gad2 UTSW 2 22,558,331 (GRCm39) missense probably benign
R9212:Gad2 UTSW 2 22,571,399 (GRCm39) missense probably damaging 1.00
R9243:Gad2 UTSW 2 22,525,053 (GRCm39) missense possibly damaging 0.79
R9395:Gad2 UTSW 2 22,514,879 (GRCm39) missense probably damaging 0.96
X0019:Gad2 UTSW 2 22,580,184 (GRCm39) critical splice acceptor site probably null
Z1177:Gad2 UTSW 2 22,525,026 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- CTATTCTCTAGGTCAGTGGAAATCC -3'
(R):5'- GTTTCCCTGGATTTCAGAGATAAGG -3'

Sequencing Primer
(F):5'- TGGAAATCCCAAGTGCTGC -3'
(R):5'- TGGATTTCAGAGATAAGGAGCATATC -3'
Posted On 2019-06-26