Incidental Mutation 'R5729:Gabrg2'
ID 452669
Institutional Source Beutler Lab
Gene Symbol Gabrg2
Ensembl Gene ENSMUSG00000020436
Gene Name gamma-aminobutyric acid type A receptor, subunit gamma 2
Synonyms GABAA-R, Gabrg-2, gamma2
MMRRC Submission 043346-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.164) question?
Stock # R5729 (G1)
Quality Score 225
Status Validated
Chromosome 11
Chromosomal Location 41801030-41891684 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 41858450 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 226 (V226A)
Ref Sequence ENSEMBL: ENSMUSP00000104913 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000070725] [ENSMUST00000070735] [ENSMUST00000109290]
AlphaFold P22723
Predicted Effect probably damaging
Transcript: ENSMUST00000070725
AA Change: V226A

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000064739
Gene: ENSMUSG00000020436
AA Change: V226A

DomainStartEndE-ValueType
signal peptide 1 38 N/A INTRINSIC
Pfam:Neur_chan_LBD 65 271 2.7e-55 PFAM
Pfam:Neur_chan_memb 278 408 1.8e-46 PFAM
transmembrane domain 442 464 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000070735
AA Change: V226A

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000063812
Gene: ENSMUSG00000020436
AA Change: V226A

DomainStartEndE-ValueType
signal peptide 1 38 N/A INTRINSIC
Pfam:Neur_chan_LBD 65 271 2.9e-53 PFAM
Pfam:Neur_chan_memb 278 419 2.2e-38 PFAM
transmembrane domain 450 472 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000109290
AA Change: V226A

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000104913
Gene: ENSMUSG00000020436
AA Change: V226A

DomainStartEndE-ValueType
signal peptide 1 38 N/A INTRINSIC
Pfam:Neur_chan_LBD 65 271 1.2e-55 PFAM
Pfam:Neur_chan_memb 278 381 4.3e-44 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125365
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139508
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155032
Meta Mutation Damage Score 0.3061 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.2%
  • 20x: 95.2%
Validation Efficiency 97% (62/64)
MGI Phenotype FUNCTION: This gene encodes a gamma-aminobutyric acid (GABA)-A receptor subunit, which is a member of the ligand-gated ion channel family. GABA is the major inhibitory neurotransmitter in the adult central nervous system, and conversely exhibits an excitatory function during development. GABA-A receptors are pentameric, consisting of proteins from several subunit classes: alpha, beta, gamma, delta and rho. This gene encodes one of three gamma subunits in mammals, which contain the binding site for benzodiazepine drugs. Several mutations in this gene are associated with epileptic seizures, and genetic knockdown is associated with anxiety behavior. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2013]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit retarded postnatal growth, impaired sensorimotor function, and greatly reduced lifespan. Heterozygotes show enhanced anxiety-related behaviors. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adss2 A T 1: 177,623,824 (GRCm39) V46E possibly damaging Het
Aldoart2 T C 12: 55,612,690 (GRCm39) V205A probably benign Het
Atp1a2 A G 1: 172,120,938 (GRCm39) S45P probably damaging Het
Atp4a A G 7: 30,411,851 (GRCm39) K29E possibly damaging Het
AU040320 T A 4: 126,724,208 (GRCm39) D428E probably damaging Het
Bend7 T C 2: 4,768,085 (GRCm39) L347P probably damaging Het
Cacna2d1 T A 5: 16,140,037 (GRCm39) L9* probably null Het
Ccdc103 A T 11: 102,773,904 (GRCm39) I50F probably damaging Het
Cdc5l T C 17: 45,737,495 (GRCm39) I88V probably benign Het
Cracr2a T C 6: 127,584,199 (GRCm39) V86A possibly damaging Het
Cybb C G X: 9,316,989 (GRCm39) D246H probably benign Het
Dgkd C T 1: 87,864,054 (GRCm39) Q90* probably null Het
Dnajc21 A T 15: 10,449,682 (GRCm39) D446E probably benign Het
Fam13a T G 6: 58,916,292 (GRCm39) R648S probably damaging Het
Gm5499 A T 17: 87,385,944 (GRCm39) noncoding transcript Het
Gprc5c G T 11: 114,755,093 (GRCm39) V257L possibly damaging Het
Irf2bp1 G T 7: 18,739,172 (GRCm39) E271* probably null Het
Krt86 T G 15: 101,374,429 (GRCm39) V274G probably benign Het
Lats2 A T 14: 57,960,192 (GRCm39) C151S probably benign Het
Mapk3 A T 7: 126,363,979 (GRCm39) T254S probably benign Het
Mat2b A T 11: 40,573,373 (GRCm39) M202K probably damaging Het
Mos A G 4: 3,870,971 (GRCm39) Y282H probably benign Het
Myo3b A G 2: 69,936,083 (GRCm39) K108R probably damaging Het
Naa16 A G 14: 79,593,220 (GRCm39) Y417H probably damaging Het
Oat A T 7: 132,159,984 (GRCm39) I412N probably damaging Het
Or4d11 A T 19: 12,013,272 (GRCm39) I278N probably damaging Het
Pcdh1 A T 18: 38,335,999 (GRCm39) V73D probably damaging Het
Pigv A T 4: 133,392,134 (GRCm39) Y345* probably null Het
Pitpnc1 G T 11: 107,228,264 (GRCm39) F34L probably benign Het
Plxnd1 A G 6: 115,942,838 (GRCm39) L1282P probably damaging Het
Ppp1r3a T C 6: 14,719,762 (GRCm39) D384G probably benign Het
Ppp2ca G A 11: 52,008,856 (GRCm39) E119K probably damaging Het
Psg29 A T 7: 16,944,459 (GRCm39) N323I probably damaging Het
Rasa4 T C 5: 136,122,016 (GRCm39) V108A probably benign Het
Rbm14 A G 19: 4,852,577 (GRCm39) probably benign Het
Rfc1 A T 5: 65,434,795 (GRCm39) V657E probably damaging Het
Rhcg A T 7: 79,250,371 (GRCm39) N237K probably damaging Het
Rpgrip1 A G 14: 52,397,617 (GRCm39) Q1302R probably benign Het
Rragc A G 4: 123,818,645 (GRCm39) M287V possibly damaging Het
Scn7a A G 2: 66,572,301 (GRCm39) probably null Het
Sema6a C T 18: 47,414,410 (GRCm39) C506Y probably damaging Het
Senp1 G T 15: 97,964,412 (GRCm39) H267Q possibly damaging Het
Skor2 A G 18: 76,946,578 (GRCm39) E100G unknown Het
Slc38a11 A T 2: 65,147,365 (GRCm39) C371S probably benign Het
Snai3 G A 8: 123,181,629 (GRCm39) A276V probably benign Het
Sp110 C G 1: 85,516,839 (GRCm39) E219D probably damaging Het
Spag6 C T 2: 18,720,525 (GRCm39) T99I probably benign Het
Spop A G 11: 95,376,675 (GRCm39) I243V possibly damaging Het
Sra1 A T 18: 36,800,496 (GRCm39) probably benign Het
Stag3 T A 5: 138,288,485 (GRCm39) S140T possibly damaging Het
Stx16 G A 2: 173,935,292 (GRCm39) G156R probably damaging Het
Tbc1d2b G C 9: 90,089,925 (GRCm39) A868G probably benign Het
Tead2 A G 7: 44,870,166 (GRCm39) probably benign Het
Tmem53 C A 4: 117,125,669 (GRCm39) H261N probably damaging Het
Ube4a A T 9: 44,844,627 (GRCm39) S932T probably damaging Het
Usp9y A T Y: 1,381,339 (GRCm39) D827E probably damaging Het
Vmn2r53 T C 7: 12,334,733 (GRCm39) E309G probably damaging Het
Wrn T C 8: 33,758,806 (GRCm39) S1026G probably benign Het
Zfp646 G A 7: 127,484,626 (GRCm39) A1760T probably damaging Het
Other mutations in Gabrg2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00640:Gabrg2 APN 11 41,862,599 (GRCm39) missense possibly damaging 0.87
IGL00787:Gabrg2 APN 11 41,803,349 (GRCm39) missense probably benign 0.00
IGL01941:Gabrg2 APN 11 41,862,548 (GRCm39) missense probably damaging 1.00
IGL02801:Gabrg2 APN 11 41,803,220 (GRCm39) missense probably damaging 1.00
R0376:Gabrg2 UTSW 11 41,807,142 (GRCm39) missense possibly damaging 0.92
R1607:Gabrg2 UTSW 11 41,867,490 (GRCm39) missense probably damaging 0.98
R1934:Gabrg2 UTSW 11 41,811,297 (GRCm39) missense probably benign 0.10
R2226:Gabrg2 UTSW 11 41,862,735 (GRCm39) missense probably damaging 1.00
R2281:Gabrg2 UTSW 11 41,867,463 (GRCm39) missense possibly damaging 0.72
R4013:Gabrg2 UTSW 11 41,862,707 (GRCm39) missense possibly damaging 0.83
R4675:Gabrg2 UTSW 11 41,859,650 (GRCm39) missense probably damaging 1.00
R4869:Gabrg2 UTSW 11 41,811,231 (GRCm39) missense probably damaging 1.00
R5282:Gabrg2 UTSW 11 41,862,559 (GRCm39) missense probably damaging 1.00
R5316:Gabrg2 UTSW 11 41,867,385 (GRCm39) missense probably damaging 1.00
R5876:Gabrg2 UTSW 11 41,859,647 (GRCm39) missense probably damaging 1.00
R6279:Gabrg2 UTSW 11 41,891,350 (GRCm39) splice site probably null
R6300:Gabrg2 UTSW 11 41,891,350 (GRCm39) splice site probably null
R6315:Gabrg2 UTSW 11 41,862,688 (GRCm39) missense probably damaging 0.99
R7181:Gabrg2 UTSW 11 41,811,261 (GRCm39) missense probably damaging 1.00
R7182:Gabrg2 UTSW 11 41,811,333 (GRCm39) missense probably damaging 0.98
R7368:Gabrg2 UTSW 11 41,867,390 (GRCm39) nonsense probably null
R7568:Gabrg2 UTSW 11 41,807,119 (GRCm39) missense probably benign 0.05
R7599:Gabrg2 UTSW 11 41,858,451 (GRCm39) missense possibly damaging 0.79
R7901:Gabrg2 UTSW 11 41,867,418 (GRCm39) missense probably benign 0.00
R7940:Gabrg2 UTSW 11 41,858,474 (GRCm39) missense probably benign 0.06
R8250:Gabrg2 UTSW 11 41,858,379 (GRCm39) missense probably benign 0.00
R8899:Gabrg2 UTSW 11 41,867,377 (GRCm39) nonsense probably null
R9043:Gabrg2 UTSW 11 41,865,662 (GRCm39) missense probably damaging 0.98
R9382:Gabrg2 UTSW 11 41,858,433 (GRCm39) missense probably benign 0.43
R9720:Gabrg2 UTSW 11 41,862,673 (GRCm39) missense probably damaging 1.00
X0065:Gabrg2 UTSW 11 41,803,196 (GRCm39) missense probably damaging 1.00
Z1191:Gabrg2 UTSW 11 41,807,104 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TCTCTGCAACTAGAATACCAGCTATC -3'
(R):5'- GGCAAATTCCACAAGGCCAG -3'

Sequencing Primer
(F):5'- ACTAGAATACCAGCTATCATTTTGTC -3'
(R):5'- AGTCCAGTGTGCTCATATGAC -3'
Posted On 2017-01-03