Incidental Mutation 'R7901:Gabrg2'
ID 609999
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 045953-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.179) question?
Stock # R7901 (G1)
Quality Score 225.009
Status Validated
Chromosome 11
Chromosomal Location 41801030-41891684 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 41867418 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 67 (V67A)
Ref Sequence ENSEMBL: ENSMUSP00000063812 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000070725] [ENSMUST00000070735] [ENSMUST00000109290]
AlphaFold P22723
Predicted Effect probably benign
Transcript: ENSMUST00000070725
AA Change: V67A

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000064739
Gene: ENSMUSG00000020436
AA Change: V67A

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: V67A

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000063812
Gene: ENSMUSG00000020436
AA Change: V67A

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 benign
Transcript: ENSMUST00000109290
AA Change: V67A

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000104913
Gene: ENSMUSG00000020436
AA Change: V67A

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: 99.0%
Validation Efficiency 98% (56/57)
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ablim1 A T 19: 57,119,434 (GRCm39) probably null Het
Adpgk T C 9: 59,222,300 (GRCm39) V409A probably benign Het
Agfg2 A T 5: 137,665,966 (GRCm39) F98I probably damaging Het
Arhgap17 A T 7: 122,885,791 (GRCm39) probably benign Het
Asb8 T C 15: 98,040,614 (GRCm39) Y16C probably damaging Het
Atp6v0a2 C T 5: 124,779,485 (GRCm39) T200I probably damaging Het
C1ra G A 6: 124,494,684 (GRCm39) E316K probably benign Het
Ccnt1 A T 15: 98,441,797 (GRCm39) D490E probably benign Het
Cenpf G T 1: 189,389,445 (GRCm39) D1462E probably damaging Het
Clcn6 C T 4: 148,095,202 (GRCm39) R736H probably damaging Het
Col4a2 A T 8: 11,479,358 (GRCm39) D747V probably benign Het
Cplane1 A G 15: 8,299,190 (GRCm39) E3126G unknown Het
Crybg3 T C 16: 59,377,907 (GRCm39) T1116A probably damaging Het
Csf1r T A 18: 61,243,368 (GRCm39) L128Q probably damaging Het
Ddx17 A T 15: 79,422,789 (GRCm39) D316E probably damaging Het
Ect2l T A 10: 18,017,712 (GRCm39) D681V possibly damaging Het
Ell2 A T 13: 75,912,105 (GRCm39) K464* probably null Het
Eme1 G T 11: 94,541,645 (GRCm39) P59Q probably damaging Het
Etl4 T C 2: 20,294,821 (GRCm39) S2P possibly damaging Het
Fndc9 T C 11: 46,128,576 (GRCm39) Y32H probably damaging Het
Frem1 G T 4: 82,877,614 (GRCm39) T1321K probably benign Het
Gm4553 ACAGCAGCTGGACTGACAGCAGCAGGGCTTGCAACAGCTGGACTGGCAGCAGCAGGGCTTGCAGCAGCTGGACTGGCAGCAGCAGGGCTTGCAGCAGCTGGACTGGCAGCAG ACAGCAGCTGGACTGGCAGCAGCAGGGCTTGCAGCAGCTGGACTGGCAGCAG 7: 141,718,602 (GRCm39) probably benign Het
Gm5145 A C 17: 20,790,900 (GRCm39) I93L possibly damaging Het
Gpld1 T A 13: 25,146,758 (GRCm39) V240E probably damaging Het
Gsc T A 12: 104,439,131 (GRCm39) S82C possibly damaging Het
H2-T10 C T 17: 36,431,143 (GRCm39) E173K probably benign Het
Ifi213 A T 1: 173,394,784 (GRCm39) S584T probably benign Het
Klk1b1 T C 7: 43,620,669 (GRCm39) I253T probably damaging Het
Klra4 A G 6: 130,040,113 (GRCm39) L53P probably damaging Het
Lct A G 1: 128,216,722 (GRCm39) Y1697H probably benign Het
Mrs2 T A 13: 25,202,549 (GRCm39) D64V possibly damaging Het
Muc13 A G 16: 33,636,211 (GRCm39) Q565R probably damaging Het
Nlrp6 T C 7: 140,507,353 (GRCm39) V873A possibly damaging Het
Nup155 C T 15: 8,145,926 (GRCm39) P159L possibly damaging Het
Or10v1 A T 19: 11,873,898 (GRCm39) H171L probably benign Het
Or4m1 A T 14: 50,557,573 (GRCm39) S240T probably damaging Het
Or51a6 T C 7: 102,604,887 (GRCm39) probably null Het
Phip T G 9: 82,772,203 (GRCm39) M1115L probably benign Het
Ppip5k1 T C 2: 121,142,390 (GRCm39) Q1353R probably damaging Het
Ptprb C G 10: 116,205,333 (GRCm39) P1896A probably benign Het
Rgl2 T C 17: 34,154,799 (GRCm39) L601P possibly damaging Het
Sash1 C T 10: 8,656,328 (GRCm39) W221* probably null Het
Skint1 A C 4: 111,876,399 (GRCm39) T107P probably damaging Het
Slc45a4 G A 15: 73,477,621 (GRCm39) probably benign Het
Snx13 T A 12: 35,150,624 (GRCm39) D309E probably benign Het
Spcs1 A G 14: 30,722,628 (GRCm39) Y64H probably benign Het
Tep1 A T 14: 51,064,308 (GRCm39) Y2434N possibly damaging Het
Tnpo3 T C 6: 29,568,990 (GRCm39) E454G possibly damaging Het
Tsg101 G T 7: 46,563,183 (GRCm39) Q24K probably benign Het
Ttc6 C T 12: 57,735,353 (GRCm39) R1132W probably damaging Het
Unkl T C 17: 25,437,627 (GRCm39) S200P probably damaging Het
Uts2r G A 11: 121,052,234 (GRCm39) S366N probably benign Het
Wbp4 A T 14: 79,709,845 (GRCm39) V130E probably damaging Het
Zfp592 T G 7: 80,674,469 (GRCm39) S478A probably benign Het
Zfp664 A T 5: 124,962,839 (GRCm39) K78* probably null Het
Zfp738 A T 13: 67,821,110 (GRCm39) L79* probably null Het
Zfyve28 C T 5: 34,382,326 (GRCm39) R258Q 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
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
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'- TTACAATCCCAACCTTGACTGC -3'
(R):5'- ATTGGTAAAGTCCTGCCTCATTTC -3'

Sequencing Primer
(F):5'- GAACTCACTCTGTAGACCAGGTTG -3'
(R):5'- GCCTCATTTCTCCTTTATTCTGG -3'
Posted On 2019-12-20