Incidental Mutation 'R5540:Chrnb1'
ID 435904
Institutional Source Beutler Lab
Gene Symbol Chrnb1
Ensembl Gene ENSMUSG00000041189
Gene Name cholinergic receptor nicotinic beta 1 subunit
Synonyms Acrb, Achr-2, AChR beta
MMRRC Submission 043098-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.871) question?
Stock # R5540 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 69674862-69686742 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 69686476 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 48 (V48E)
Ref Sequence ENSEMBL: ENSMUSP00000047270 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000011285] [ENSMUST00000045971] [ENSMUST00000102585]
AlphaFold P09690
Predicted Effect probably benign
Transcript: ENSMUST00000011285
SMART Domains Protein: ENSMUSP00000011285
Gene: ENSMUSG00000042826

DomainStartEndE-ValueType
FGF 69 172 6.95e-35 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000045971
AA Change: V48E

PolyPhen 2 Score 0.304 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000047270
Gene: ENSMUSG00000041189
AA Change: V48E

DomainStartEndE-ValueType
low complexity region 2 21 N/A INTRINSIC
Pfam:Neur_chan_LBD 27 245 3.6e-65 PFAM
Pfam:Neur_chan_memb 252 487 3.5e-75 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000102585
SMART Domains Protein: ENSMUSP00000099645
Gene: ENSMUSG00000042826

DomainStartEndE-ValueType
FGF 69 200 3.43e-66 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000129381
Predicted Effect noncoding transcript
Transcript: ENSMUST00000147791
Predicted Effect noncoding transcript
Transcript: ENSMUST00000154816
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.6%
  • 20x: 96.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The muscle acetylcholine receptor is composed of five subunits: two alpha subunits and one beta, one gamma, and one delta subunit. This gene encodes the beta subunit of the acetylcholine receptor. The acetylcholine receptor changes conformation upon acetylcholine binding leading to the opening of an ion-conducting channel across the plasma membrane. Mutations in this gene are associated with slow-channel congenital myasthenic syndrome. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-in allele lack all tyrosine residues in the beta subunit intracellular loop, display reduced and simplified neuromuscular junctions, and show defective acetylcholine receptor clustering and anchoring at synapses. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700008O03Rik A G 7: 44,012,371 (GRCm39) S15P probably damaging Het
Actl7a A T 4: 56,744,388 (GRCm39) H305L probably benign Het
Adam26b C A 8: 43,974,654 (GRCm39) C116F probably damaging Het
Adgrl2 A G 3: 148,543,198 (GRCm39) probably null Het
Akr1b10 A G 6: 34,371,047 (GRCm39) T238A probably damaging Het
Akr1c18 A G 13: 4,187,178 (GRCm39) V186A probably benign Het
Alpk3 G A 7: 80,745,184 (GRCm39) V1311M probably damaging Het
Aox1 A G 1: 58,143,569 (GRCm39) N1229S probably benign Het
Apobec3 T A 15: 79,782,120 (GRCm39) N43K probably benign Het
Arid1a A C 4: 133,407,765 (GRCm39) D2247E unknown Het
Asph A G 4: 9,635,906 (GRCm39) L77S probably damaging Het
Cd300ld T A 11: 114,878,231 (GRCm39) T94S probably damaging Het
Celf2 T C 2: 6,558,743 (GRCm39) T382A probably benign Het
Cfap54 C T 10: 92,808,470 (GRCm39) A1402T possibly damaging Het
Col6a5 T A 9: 105,739,975 (GRCm39) E2548V probably benign Het
Crebrf A G 17: 26,961,071 (GRCm39) D56G possibly damaging Het
Dctn5 A G 7: 121,734,275 (GRCm39) T40A probably benign Het
Dmxl2 A T 9: 54,301,141 (GRCm39) N2323K probably benign Het
Dync1h1 A G 12: 110,627,384 (GRCm39) Q4021R probably benign Het
Dyrk1a T G 16: 94,486,202 (GRCm39) probably null Het
Ephb3 T A 16: 21,039,610 (GRCm39) F454Y probably damaging Het
Fbxo38 A G 18: 62,647,864 (GRCm39) probably null Het
Flg T C 3: 93,184,923 (GRCm39) F15S probably damaging Het
Fndc3b G A 3: 27,555,651 (GRCm39) P301L probably damaging Het
Fpr-rs7 C T 17: 20,334,356 (GRCm39) G45R probably damaging Het
Garin3 A G 11: 46,295,715 (GRCm39) N29S probably damaging Het
Gfi1 T A 5: 107,867,991 (GRCm39) T360S probably damaging Het
Grik4 T C 9: 42,432,243 (GRCm39) H918R probably damaging Het
Hpx A G 7: 105,241,119 (GRCm39) S385P possibly damaging Het
Kdm5b A G 1: 134,558,979 (GRCm39) D1501G probably damaging Het
Kif20b A T 19: 34,915,860 (GRCm39) M546L probably benign Het
Map3k9 G T 12: 81,819,587 (GRCm39) N222K probably damaging Het
Me1 A G 9: 86,561,926 (GRCm39) L53P possibly damaging Het
Mis18bp1 T C 12: 65,195,520 (GRCm39) E748G possibly damaging Het
Morc3 T A 16: 93,644,268 (GRCm39) N186K probably benign Het
Mtor A G 4: 148,539,165 (GRCm39) T221A probably benign Het
Muc6 A G 7: 141,235,850 (GRCm39) probably null Het
Myh8 C A 11: 67,177,266 (GRCm39) T444N probably benign Het
Myo7b A G 18: 32,140,143 (GRCm39) Y216H probably damaging Het
Myom1 G A 17: 71,416,782 (GRCm39) V1382M probably damaging Het
Nbeal2 A T 9: 110,460,801 (GRCm39) Y1718N probably damaging Het
Npc1l1 A G 11: 6,164,546 (GRCm39) S1168P probably damaging Het
Or4c58 A G 2: 89,675,011 (GRCm39) F102S probably damaging Het
Or4d2 T A 11: 87,784,511 (GRCm39) K80* probably null Het
Or51f5 C T 7: 102,424,136 (GRCm39) A135V probably benign Het
Or5an9 T A 19: 12,187,824 (GRCm39) I298N probably damaging Het
Or6c8b G T 10: 128,882,364 (GRCm39) D189E probably damaging Het
Pcdha4 C A 18: 37,087,890 (GRCm39) A691E probably benign Het
Pde6a T G 18: 61,364,438 (GRCm39) F165V probably damaging Het
Ptpn14 A T 1: 189,578,561 (GRCm39) M340L probably benign Het
Rnasel G T 1: 153,630,890 (GRCm39) E469* probably null Het
Rsph3a T G 17: 8,164,790 (GRCm39) L50R probably benign Het
Rusc2 A G 4: 43,423,975 (GRCm39) Y1043C probably damaging Het
Serpinb6b A T 13: 33,161,541 (GRCm39) K86* probably null Het
Serpine1 T C 5: 137,092,063 (GRCm39) T392A probably benign Het
Shcbp1 A T 8: 4,794,529 (GRCm39) D421E probably damaging Het
Slc24a1 A G 9: 64,855,863 (GRCm39) V348A unknown Het
Slc26a7 A G 4: 14,506,621 (GRCm39) F605L probably benign Het
Slc66a1 A T 4: 139,027,655 (GRCm39) L229Q probably damaging Het
Spag17 A C 3: 99,963,588 (GRCm39) E1102A possibly damaging Het
Stab2 A G 10: 86,683,989 (GRCm39) V2390A probably benign Het
Stk11 A G 10: 79,961,883 (GRCm39) I35V probably benign Het
Stk24 T C 14: 121,531,693 (GRCm39) D321G possibly damaging Het
Tbx4 A T 11: 85,801,994 (GRCm39) N209I possibly damaging Het
Tmem225 T C 9: 40,060,681 (GRCm39) L80P probably damaging Het
Tnfrsf4 C T 4: 156,098,380 (GRCm39) T17I probably benign Het
Traf3ip1 G A 1: 91,429,037 (GRCm39) R268Q probably benign Het
Trhde T A 10: 114,636,497 (GRCm39) I237F probably benign Het
Ugt2a1 A T 5: 87,633,915 (GRCm39) W231R probably damaging Het
Vash1 ACTGCTGCTGCTGCTGCTGC ACTGCTGCTGCTGCTGC 12: 86,726,831 (GRCm39) probably benign Het
Vps16 T A 2: 130,284,305 (GRCm39) D685E probably benign Het
Washc4 A G 10: 83,409,657 (GRCm39) D602G probably damaging Het
Wdr59 A G 8: 112,211,816 (GRCm39) L377P possibly damaging Het
Wdr81 T C 11: 75,339,896 (GRCm39) E1364G probably damaging Het
Other mutations in Chrnb1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00585:Chrnb1 APN 11 69,684,742 (GRCm39) missense probably damaging 1.00
IGL01924:Chrnb1 APN 11 69,685,845 (GRCm39) unclassified probably benign
IGL01983:Chrnb1 APN 11 69,686,555 (GRCm39) missense probably benign 0.27
IGL02100:Chrnb1 APN 11 69,684,281 (GRCm39) unclassified probably benign
IGL02507:Chrnb1 APN 11 69,675,916 (GRCm39) missense probably damaging 1.00
IGL02814:Chrnb1 APN 11 69,686,506 (GRCm39) missense probably damaging 1.00
IGL02858:Chrnb1 APN 11 69,675,935 (GRCm39) missense possibly damaging 0.58
R0368:Chrnb1 UTSW 11 69,675,583 (GRCm39) missense probably damaging 1.00
R1728:Chrnb1 UTSW 11 69,676,588 (GRCm39) missense probably damaging 1.00
R1913:Chrnb1 UTSW 11 69,684,410 (GRCm39) missense possibly damaging 0.95
R1930:Chrnb1 UTSW 11 69,683,563 (GRCm39) missense possibly damaging 0.81
R2233:Chrnb1 UTSW 11 69,686,428 (GRCm39) missense probably damaging 0.98
R2234:Chrnb1 UTSW 11 69,686,428 (GRCm39) missense probably damaging 0.98
R3971:Chrnb1 UTSW 11 69,683,742 (GRCm39) unclassified probably benign
R4183:Chrnb1 UTSW 11 69,677,922 (GRCm39) missense possibly damaging 0.50
R4425:Chrnb1 UTSW 11 69,677,773 (GRCm39) missense probably damaging 1.00
R4822:Chrnb1 UTSW 11 69,686,501 (GRCm39) missense possibly damaging 0.55
R4983:Chrnb1 UTSW 11 69,684,804 (GRCm39) missense probably damaging 1.00
R5000:Chrnb1 UTSW 11 69,677,858 (GRCm39) missense probably damaging 0.96
R5378:Chrnb1 UTSW 11 69,676,007 (GRCm39) missense probably benign 0.00
R5396:Chrnb1 UTSW 11 69,684,979 (GRCm39) missense probably damaging 1.00
R5574:Chrnb1 UTSW 11 69,684,509 (GRCm39) unclassified probably benign
R5890:Chrnb1 UTSW 11 69,683,555 (GRCm39) missense possibly damaging 0.94
R5973:Chrnb1 UTSW 11 69,686,671 (GRCm39) unclassified probably benign
R6056:Chrnb1 UTSW 11 69,677,765 (GRCm39) missense probably damaging 1.00
R7466:Chrnb1 UTSW 11 69,675,476 (GRCm39) missense probably damaging 1.00
R7633:Chrnb1 UTSW 11 69,683,699 (GRCm39) missense probably damaging 1.00
R7664:Chrnb1 UTSW 11 69,677,850 (GRCm39) missense possibly damaging 0.80
R8266:Chrnb1 UTSW 11 69,675,447 (GRCm39) makesense probably null
R9124:Chrnb1 UTSW 11 69,685,057 (GRCm39) missense probably benign 0.31
Z1177:Chrnb1 UTSW 11 69,685,015 (GRCm39) missense possibly damaging 0.95
Predicted Primers PCR Primer
(F):5'- CCTCGCCCATGAACTAGTTC -3'
(R):5'- CCCCAGGTAAGTCAGTTTGG -3'

Sequencing Primer
(F):5'- GGTCTGATTTTTACCCAATCACCG -3'
(R):5'- CCCAGGTAAGTCAGTTTGGGTCTC -3'
Posted On 2016-10-24