Incidental Mutation 'R6333:Chrnb3'
ID 513238
Institutional Source Beutler Lab
Gene Symbol Chrnb3
Ensembl Gene ENSMUSG00000031492
Gene Name cholinergic receptor, nicotinic, beta polypeptide 3
Synonyms Acrb3, 5730417K16Rik
MMRRC Submission 044487-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.081) question?
Stock # R6333 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 27858739-27889758 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 27883355 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Aspartic acid at position 84 (N84D)
Ref Sequence ENSEMBL: ENSMUSP00000078428 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000060943] [ENSMUST00000079463] [ENSMUST00000211104]
AlphaFold Q8BMN3
Predicted Effect probably benign
Transcript: ENSMUST00000060943
AA Change: N99D

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000052297
Gene: ENSMUSG00000031492
AA Change: N99D

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: N84D

PolyPhen 2 Score 0.960 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000078428
Gene: ENSMUSG00000031492
AA Change: N84D

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 benign
Transcript: ENSMUST00000211104
AA Change: N99D

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.7%
  • 10x: 97.9%
  • 20x: 93.2%
Validation Efficiency 98% (50/51)
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: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4931406C07Rik T C 9: 15,203,372 (GRCm39) K111R probably benign Het
Abhd18 A G 3: 40,888,218 (GRCm39) Y354C probably benign Het
Acap1 T C 11: 69,774,427 (GRCm39) I424V possibly damaging Het
AI182371 A T 2: 34,975,281 (GRCm39) I306K probably damaging Het
Asb4 G A 6: 5,423,597 (GRCm39) R248H probably damaging Het
Brd7 T C 8: 89,071,819 (GRCm39) T349A probably damaging Het
Bub1b T C 2: 118,428,944 (GRCm39) probably null Het
Cep85l G A 10: 53,225,197 (GRCm39) Q131* probably null Het
Chmp2b T A 16: 65,337,136 (GRCm39) M178L possibly damaging Het
Clec4b2 A T 6: 123,177,637 (GRCm39) probably null Het
Defa34 T C 8: 22,155,862 (GRCm39) V17A probably benign Het
Dnah3 A T 7: 119,653,856 (GRCm39) L947Q probably damaging Het
Dynlt2a1 G A 17: 15,261,717 (GRCm39) probably benign Het
Ell A G 8: 71,044,188 (GRCm39) Y578C probably damaging Het
Esp36 T A 17: 38,728,135 (GRCm39) M49L probably benign Het
Fbxw19 A T 9: 109,323,751 (GRCm39) W75R probably benign Het
Fcgr4 A G 1: 170,856,838 (GRCm39) Y235C probably damaging Het
Gm10110 A C 14: 90,135,733 (GRCm39) noncoding transcript Het
Gm13030 A T 4: 138,598,708 (GRCm39) probably null Het
Hdac9 T C 12: 34,102,323 (GRCm39) M1058V probably damaging Het
Hsd3b6 A G 3: 98,713,540 (GRCm39) F253S probably damaging Het
Hspg2 T C 4: 137,289,266 (GRCm39) Y3794H probably damaging Het
Mark4 G A 7: 19,177,208 (GRCm39) T207M probably damaging Het
Mme A G 3: 63,249,382 (GRCm39) T304A probably benign Het
Neb A G 2: 52,148,275 (GRCm39) L2657P probably damaging Het
Nufip1 A C 14: 76,349,425 (GRCm39) K152N probably damaging Het
Pcdh1 A G 18: 38,331,860 (GRCm39) V381A probably benign Het
Pdss1 A G 2: 22,791,778 (GRCm39) T30A probably damaging Het
Plrg1 A G 3: 82,964,102 (GRCm39) T12A probably damaging Het
Ppig C T 2: 69,579,902 (GRCm39) H479Y unknown Het
Prokr2 A G 2: 132,215,898 (GRCm39) F188L probably damaging Het
Prss39 A G 1: 34,539,150 (GRCm39) N130S probably benign Het
Ptar1 G A 19: 23,671,686 (GRCm39) D30N possibly damaging Het
Rai14 G T 15: 10,575,022 (GRCm39) Y645* probably null Het
Rnasek T C 11: 70,129,252 (GRCm39) Y67C probably damaging Het
Rnd2 C T 11: 101,359,825 (GRCm39) L57F probably damaging Het
Rnf213 T C 11: 119,354,192 (GRCm39) V4023A probably damaging Het
Sash3 C T X: 47,248,398 (GRCm39) L307F probably damaging Homo
Sctr T C 1: 119,984,182 (GRCm39) F357L probably damaging Het
Sec14l5 G A 16: 4,984,908 (GRCm39) V85I probably benign Het
Shld2 G A 14: 33,989,565 (GRCm39) T447M probably damaging Het
Sirpd T C 3: 15,385,671 (GRCm39) Y77C probably damaging Het
Spag8 T C 4: 43,653,186 (GRCm39) probably benign Het
Tbc1d2 T C 4: 46,620,736 (GRCm39) D358G possibly damaging Het
Tenm4 A G 7: 96,423,331 (GRCm39) T672A probably damaging Het
Tent2 G A 13: 93,322,821 (GRCm39) Q43* probably null Het
Trmt1l T A 1: 151,329,685 (GRCm39) S543T probably benign Het
Ube4b A G 4: 149,432,494 (GRCm39) F810S probably damaging Het
Vmn2r104 C T 17: 20,249,848 (GRCm39) V808I probably benign Het
Zfp3 T A 11: 70,662,266 (GRCm39) I75N probably benign Het
Zwint A G 10: 72,490,784 (GRCm39) probably benign 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
R3981:Chrnb3 UTSW 8 27,884,034 (GRCm39) missense probably damaging 1.00
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
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'- AGCAGGGCTGAATCCTAGAG -3'
(R):5'- ACTCACTGTTTGGAGGCAATCTAC -3'

Sequencing Primer
(F):5'- GAGGATACCACGTTTTAACCTGG -3'
(R):5'- CAAGTCATGTTTTACAGAGAAACCAC -3'
Posted On 2018-04-27