Incidental Mutation 'R3981:Chrnb3'
ID 351173
Institutional Source Beutler Lab
Gene Symbol Chrnb3
Ensembl Gene ENSMUSG00000031492
Gene Name cholinergic receptor, nicotinic, beta polypeptide 3
Synonyms Acrb3, 5730417K16Rik
MMRRC Submission 040943-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.082) question?
Stock # R3981 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 27858739-27889758 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 27884034 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Methionine at position 257 (T257M)
Ref Sequence ENSEMBL: ENSMUSP00000147672 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000060943] [ENSMUST00000079463] [ENSMUST00000211104]
AlphaFold Q8BMN3
Predicted Effect probably damaging
Transcript: ENSMUST00000060943
AA Change: T257M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000052297
Gene: ENSMUSG00000031492
AA Change: T257M

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 35 239 2.3e-75 PFAM
Pfam:Neur_chan_memb 246 452 1.9e-65 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000079463
AA Change: T242M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000078428
Gene: ENSMUSG00000031492
AA Change: T242M

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 35 224 1.3e-57 PFAM
Pfam:Neur_chan_memb 231 374 4.3e-48 PFAM
Pfam:Neur_chan_memb 349 437 9.7e-15 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000211104
AA Change: T257M

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency 98% (58/59)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The nicotinic acetylcholine receptors (nAChRs) are members of a superfamily of ligand-gated ion channels that mediate fast signal transmission at synapses. The nAChRs are (hetero)pentamers composed of homologous subunits. The subunits that make up the muscle and neuronal forms of nAChRs are encoded by separate genes and have different primary structure. There are several subtypes of neuronal nAChRs that vary based on which homologous subunits are arranged around the central channel. They are classified as alpha-subunits if, like muscle alpha-1 (MIM 100690), they have a pair of adjacent cysteines as part of the presumed acetylcholine binding site. Subunits lacking these cysteine residues are classified as beta-subunits (Groot Kormelink and Luyten, 1997 [PubMed 9009220]). Elliott et al. (1996) [PubMed 8906617] stated that the proposed structure for each subunit is a conserved N-terminal extracellular domain followed by 3 conserved transmembrane domains, a variable cytoplasmic loop, a fourth conserved transmembrane domain, and a short C-terminal extracellular region.[supplied by OMIM, Apr 2010]
PHENOTYPE: Mice homozygous for disruptions in this gene display hyperactivity and reflex abnormalities but were otherwise phenotypically normal. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 T G 11: 9,482,407 (GRCm39) C4313G probably benign Het
Alkbh2 C T 5: 114,262,287 (GRCm39) E148K probably damaging Het
Bckdk C A 7: 127,504,590 (GRCm39) R105S probably damaging Het
Bhlhe22 G T 3: 18,109,058 (GRCm39) R36L probably damaging Het
Cacnb2 A G 2: 14,609,314 (GRCm39) E18G probably benign Het
Cct2 G A 10: 116,890,040 (GRCm39) P10L probably damaging Het
Cep295 G T 9: 15,228,363 (GRCm39) probably benign Het
Cep89 A G 7: 35,137,808 (GRCm39) R731G probably damaging Het
Clca3a1 T A 3: 144,461,070 (GRCm39) T194S probably benign Het
Clca4b T C 3: 144,631,797 (GRCm39) K236R probably benign Het
Col18a1 C A 10: 76,924,721 (GRCm39) D23Y probably damaging Het
Cry1 A T 10: 84,982,456 (GRCm39) Y297N probably damaging Het
Defb38 A G 8: 19,076,483 (GRCm39) probably null Het
Dlgap1 A G 17: 70,823,780 (GRCm39) K255R probably damaging Het
Erich6 T C 3: 58,544,125 (GRCm39) E154G probably benign Het
Esf1 G A 2: 140,000,476 (GRCm39) P437S probably benign Het
Fkbp7 A C 2: 76,493,601 (GRCm39) N197K probably damaging Het
Fsip2 T A 2: 82,789,006 (GRCm39) D342E probably benign Het
Gbx1 T C 5: 24,731,213 (GRCm39) D201G probably benign Het
Gm15056 T A 8: 21,390,957 (GRCm39) K25N possibly damaging Het
Grb7 T G 11: 98,345,391 (GRCm39) probably benign Het
H2-M3 C T 17: 37,582,021 (GRCm39) A159V probably damaging Het
Hcar1 T C 5: 124,016,683 (GRCm39) N336S probably benign Het
Ift122 T C 6: 115,890,882 (GRCm39) V807A probably benign Het
Maml2 T C 9: 13,532,364 (GRCm39) V526A possibly damaging Het
Map3k20 C T 2: 72,268,571 (GRCm39) T526I probably damaging Het
Mfap2 A G 4: 140,741,554 (GRCm39) Q71R possibly damaging Het
Mmd2 T C 5: 142,550,554 (GRCm39) Y228C probably damaging Het
Mme T A 3: 63,235,485 (GRCm39) Y178N probably damaging Het
Mras T C 9: 99,293,469 (GRCm39) D57G probably damaging Het
Muc5ac T C 7: 141,367,512 (GRCm39) C2274R possibly damaging Het
Or8j3c T A 2: 86,253,186 (GRCm39) Y278F probably damaging Het
Palmd T C 3: 116,717,472 (GRCm39) T342A probably benign Het
Prb1b G A 6: 132,289,657 (GRCm39) P56S unknown Het
Rdh19 A G 10: 127,686,017 (GRCm39) N43S probably benign Het
Ros1 G A 10: 51,996,974 (GRCm39) H1233Y possibly damaging Het
Samd8 A G 14: 21,830,248 (GRCm39) R225G probably null Het
Slc7a11 C A 3: 50,382,223 (GRCm39) V175L probably benign Het
Spata31d1c A G 13: 65,182,925 (GRCm39) T156A possibly damaging Het
Spata31g1 C T 4: 42,971,534 (GRCm39) T289I probably damaging Het
Spmip9 T C 6: 70,890,283 (GRCm39) N170D possibly damaging Het
Stxbp5 T C 10: 9,665,060 (GRCm39) probably benign Het
Tec T A 5: 72,980,942 (GRCm39) probably benign Het
Vps16 T C 2: 130,284,514 (GRCm39) W728R possibly damaging Het
Xirp1 T C 9: 119,846,810 (GRCm39) E691G probably damaging Het
Zfp605 T C 5: 110,275,604 (GRCm39) S241P probably damaging Het
Zfp839 G A 12: 110,832,765 (GRCm39) G561D probably damaging Het
Other mutations in Chrnb3
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00227:Chrnb3 APN 8 27,875,129 (GRCm39) missense probably benign 0.13
IGL01655:Chrnb3 APN 8 27,884,202 (GRCm39) missense probably damaging 1.00
IGL02124:Chrnb3 APN 8 27,886,832 (GRCm39) unclassified probably benign
IGL02403:Chrnb3 APN 8 27,883,836 (GRCm39) missense probably damaging 1.00
IGL02474:Chrnb3 APN 8 27,883,397 (GRCm39) missense probably damaging 1.00
IGL02903:Chrnb3 APN 8 27,876,834 (GRCm39) missense probably damaging 0.96
R0178:Chrnb3 UTSW 8 27,883,392 (GRCm39) missense probably damaging 1.00
R0736:Chrnb3 UTSW 8 27,875,078 (GRCm39) missense probably benign 0.00
R1695:Chrnb3 UTSW 8 27,883,728 (GRCm39) missense probably damaging 1.00
R2051:Chrnb3 UTSW 8 27,876,839 (GRCm39) missense probably damaging 1.00
R2091:Chrnb3 UTSW 8 27,884,262 (GRCm39) missense probably damaging 1.00
R2313:Chrnb3 UTSW 8 27,883,809 (GRCm39) missense probably damaging 1.00
R3020:Chrnb3 UTSW 8 27,886,812 (GRCm39) missense probably benign
R4236:Chrnb3 UTSW 8 27,884,021 (GRCm39) missense probably damaging 1.00
R4276:Chrnb3 UTSW 8 27,883,779 (GRCm39) missense probably damaging 1.00
R4422:Chrnb3 UTSW 8 27,886,761 (GRCm39) missense possibly damaging 0.84
R4515:Chrnb3 UTSW 8 27,875,118 (GRCm39) missense probably damaging 1.00
R4688:Chrnb3 UTSW 8 27,884,147 (GRCm39) missense probably damaging 1.00
R4931:Chrnb3 UTSW 8 27,884,258 (GRCm39) missense probably damaging 0.99
R5164:Chrnb3 UTSW 8 27,884,160 (GRCm39) missense probably damaging 1.00
R6333:Chrnb3 UTSW 8 27,883,355 (GRCm39) missense probably damaging 0.96
R6454:Chrnb3 UTSW 8 27,883,403 (GRCm39) missense probably damaging 1.00
R7070:Chrnb3 UTSW 8 27,883,989 (GRCm39) missense probably damaging 1.00
R8060:Chrnb3 UTSW 8 27,884,588 (GRCm39) missense unknown
R8156:Chrnb3 UTSW 8 27,883,682 (GRCm39) missense probably benign 0.13
R8421:Chrnb3 UTSW 8 27,886,718 (GRCm39) missense probably damaging 1.00
R8884:Chrnb3 UTSW 8 27,883,946 (GRCm39) missense possibly damaging 0.90
R9244:Chrnb3 UTSW 8 27,884,594 (GRCm39) missense unknown
R9459:Chrnb3 UTSW 8 27,883,884 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- GGTCGACCTCATTCTGATCAATG -3'
(R):5'- ACCGTGACAATAATAGACAGCG -3'

Sequencing Primer
(F):5'- TCTGATCAATGAAAACGTTGACCGG -3'
(R):5'- AGACAGCGTGACAAATATCATAATG -3'
Posted On 2015-10-08