Incidental Mutation 'R9382:Gabrg2'
ID 710111
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
Accession Numbers
Essential gene? Probably non essential (E-score: 0.164) question?
Stock # R9382 (G1)
Quality Score 225.009
Status Not validated
Chromosome 11
Chromosomal Location 41801030-41891684 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 41858433 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glycine at position 232 (R232G)
Ref Sequence ENSEMBL: ENSMUSP00000063812 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000070725] [ENSMUST00000070735] [ENSMUST00000109290]
AlphaFold P22723
Predicted Effect possibly damaging
Transcript: ENSMUST00000070725
AA Change: R232G

PolyPhen 2 Score 0.872 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000064739
Gene: ENSMUSG00000020436
AA Change: R232G

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 benign
Transcript: ENSMUST00000070735
AA Change: R232G

PolyPhen 2 Score 0.429 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000063812
Gene: ENSMUSG00000020436
AA Change: R232G

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 possibly damaging
Transcript: ENSMUST00000109290
AA Change: R232G

PolyPhen 2 Score 0.895 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000104913
Gene: ENSMUSG00000020436
AA Change: R232G

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.9%
Validation Efficiency
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: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8b G A 11: 109,870,711 (GRCm39) S147L probably benign Het
Abraxas1 A G 5: 100,957,649 (GRCm39) V190A probably benign Het
Aoc1l2 A T 6: 48,907,298 (GRCm39) K99N probably benign Het
Aox1 T A 1: 58,104,501 (GRCm39) H559Q possibly damaging Het
Arhgap31 C T 16: 38,422,988 (GRCm39) G1026D probably benign Het
C1ra T C 6: 124,490,819 (GRCm39) F71L probably benign Het
C530025M09Rik T C 2: 149,672,640 (GRCm39) H165R unknown Het
Celf2 A T 2: 6,726,404 (GRCm39) M43K probably damaging Het
Celsr3 T C 9: 108,706,961 (GRCm39) V1148A possibly damaging Het
Cmya5 T G 13: 93,229,884 (GRCm39) K1735Q probably benign Het
Cntln A C 4: 84,968,318 (GRCm39) M846L probably benign Het
Cntn5 T C 9: 9,673,817 (GRCm39) T762A probably benign Het
Col11a1 T A 3: 113,899,046 (GRCm39) L525Q unknown Het
Col12a1 T C 9: 79,589,364 (GRCm39) T1064A probably benign Het
Cyc1 T C 15: 76,229,273 (GRCm39) V211A possibly damaging Het
Ddx56 A G 11: 6,215,516 (GRCm39) S296P probably damaging Het
Deptor A T 15: 54,975,798 (GRCm39) probably benign Het
Ezh1 C T 11: 101,094,265 (GRCm39) R409H possibly damaging Het
Fam228b T A 12: 4,798,147 (GRCm39) E190V probably damaging Het
Fkbp15 A T 4: 62,237,210 (GRCm39) L635H probably damaging Het
Frem1 G A 4: 82,901,622 (GRCm39) L969F possibly damaging Het
Gpr26 G A 7: 131,568,963 (GRCm39) D103N probably damaging Het
Grid2ip T G 5: 143,361,103 (GRCm39) probably null Het
Ints7 T C 1: 191,351,793 (GRCm39) V834A probably damaging Het
Kcnh7 T A 2: 62,667,612 (GRCm39) H309L probably benign Het
Mael T C 1: 166,053,282 (GRCm39) E241G probably damaging Het
Neb T A 2: 52,122,277 (GRCm39) E584V Het
Nexn C T 3: 151,959,401 (GRCm39) V23M probably damaging Het
Npas1 T C 7: 16,190,231 (GRCm39) probably null Het
Or51f1 T C 7: 102,506,014 (GRCm39) I158M probably benign Het
Pcdh17 T G 14: 84,685,522 (GRCm39) V663G probably damaging Het
Pga5 C T 19: 10,646,897 (GRCm39) G303S probably damaging Het
Poln T A 5: 34,164,842 (GRCm39) K844N probably damaging Het
Prkar1b C T 5: 139,036,442 (GRCm39) D227N probably damaging Het
Proc T A 18: 32,256,336 (GRCm39) I444F probably damaging Het
Ptprn G T 1: 75,229,135 (GRCm39) H791N probably benign Het
Ror1 T C 4: 100,191,709 (GRCm39) S160P probably benign Het
Satb2 T A 1: 56,870,797 (GRCm39) probably null Het
Slc43a3 C T 2: 84,780,771 (GRCm39) A332V probably benign Het
Sp100 G A 1: 85,627,336 (GRCm39) V410M probably damaging Het
Srgap2 T C 1: 131,217,346 (GRCm39) T989A probably benign Het
Ssc5d T C 7: 4,930,283 (GRCm39) probably null Het
Tll2 A G 19: 41,116,997 (GRCm39) Y273H probably benign Het
Tub T C 7: 108,626,211 (GRCm39) V295A possibly damaging Het
Unc13b T A 4: 43,172,512 (GRCm39) D1113E unknown Het
Usp9y C A Y: 1,364,776 (GRCm39) M1012I probably benign Het
Vmn1r238 A G 18: 3,122,676 (GRCm39) V246A probably damaging Het
Vmn2r88 T G 14: 51,656,197 (GRCm39) V802G Het
Wnt7b T C 15: 85,443,175 (GRCm39) Q76R probably damaging Het
Zan T C 5: 137,389,917 (GRCm39) R4852G unknown Het
Zfp618 A T 4: 63,051,258 (GRCm39) T680S probably damaging Het
Zfp784 T A 7: 5,041,338 (GRCm39) D25V unknown 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
R5729:Gabrg2 UTSW 11 41,858,450 (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
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'- TCTCTGCAACTAGAATACCAGC -3'
(R):5'- ATTCCACAAGGCCAGTCCAG -3'

Sequencing Primer
(F):5'- ACTAGAATACCAGCTATCATTTTGTC -3'
(R):5'- AGTCCAGTGTGCTCATATGAC -3'
Posted On 2022-04-18