Mutagenetix > Incidental Mutation

Incidental Mutation 'R7633:Chrnb1'

589771

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

045721-MU

Accession Numbers

Essential gene?

Probably essential (E-score: 0.871) question?

Stock #

R7633 (G1)

Quality Score

225.009

Status

Validated

Chromosome

Chromosomal Location

69674862-69686742 bp(-) (GRCm39)

Type of Mutation

missense

DNA Base Change (assembly)

T to A at 69683699 bp (GRCm39)

Zygosity

Heterozygous

Amino Acid Change

Arginine to Tryptophan at position 216 (R216W)

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

Domain	Start	End	E-Value	Type
FGF	69	172	6.95e-35	SMART

Predicted Effect

probably damaging
Transcript: ENSMUST00000045971
AA Change: R216W

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)

SMART Domains

Protein: ENSMUSP00000047270
Gene: ENSMUSG00000041189
AA Change: R216W

Domain	Start	End	E-Value	Type
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

Domain	Start	End	E-Value	Type
FGF	69	200	3.43e-66	SMART

Coding Region Coverage

1x: 100.0%
3x: 99.9%
10x: 99.7%
20x: 99.0%

Validation Efficiency

100% (52/52)

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: 54 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
A530084C06Rik	G	T	13: 31,742,978 (GRCm39)	R92S	unknown	Het
Acaca	A	G	11: 84,263,465 (GRCm39)	I2029V	probably benign	Het
Anks1b	A	C	10: 90,784,446 (GRCm39)	D1138A	probably damaging	Het
Atr	T	A	9: 95,829,171 (GRCm39)	V2508E	probably damaging	Het
C4b	C	T	17: 34,948,373 (GRCm39)		probably null	Het
Calhm4	G	A	10: 33,919,904 (GRCm39)	T121M	possibly damaging	Het
Cd46	A	T	1: 194,765,927 (GRCm39)	M146K	probably null	Het
Chp1	A	G	2: 119,391,226 (GRCm39)	I28V	probably benign	Het
Clmn	G	A	12: 104,748,371 (GRCm39)	T392M	probably benign	Het
Cracd	A	G	5: 77,005,367 (GRCm39)	E576G	unknown	Het
Dcxr	A	C	11: 120,617,279 (GRCm39)	L88R	probably benign	Het
Dedd	C	T	1: 171,166,478 (GRCm39)	P138L	probably benign	Het
Degs1	A	G	1: 182,107,263 (GRCm39)	S35P	probably damaging	Het
Ehmt1	T	C	2: 24,705,792 (GRCm39)	D851G	possibly damaging	Het
Fam117b	A	G	1: 60,020,693 (GRCm39)	D521G	probably damaging	Het
Gm6882	A	G	7: 21,161,577 (GRCm39)	V97A	probably damaging	Het
Hgs	A	T	11: 120,365,128 (GRCm39)	Q172L	probably damaging	Het
Hormad2	T	C	11: 4,296,662 (GRCm39)	Q274R	probably benign	Het
Igkv8-19	C	T	6: 70,318,383 (GRCm39)		probably benign	Het
Ikbkb	T	C	8: 23,161,757 (GRCm39)	N377S	probably benign	Het
Intu	G	A	3: 40,608,683 (GRCm39)	G232S	probably damaging	Het
Lypd9	C	A	11: 58,338,304 (GRCm39)	M29I	probably benign	Het
Mov10	A	G	3: 104,704,381 (GRCm39)	S806P	possibly damaging	Het
Mrgprb1	A	G	7: 48,097,331 (GRCm39)	F194L	probably benign	Het
Notch3	A	T	17: 32,377,596 (GRCm39)	I160K	probably benign	Het
Nup155	C	G	15: 8,138,937 (GRCm39)	S3W	probably damaging	Het
Or4k41	A	G	2: 111,279,967 (GRCm39)	I161V	probably benign	Het
Or8s5	A	G	15: 98,237,967 (GRCm39)	I301T	probably damaging	Het
Plxdc1	A	T	11: 97,846,977 (GRCm39)	F147L	possibly damaging	Het
Ppfia1	T	C	7: 144,106,173 (GRCm39)	D33G	possibly damaging	Het
Prdm11	G	A	2: 92,810,999 (GRCm39)	A200V	probably damaging	Het
Qrich2	A	T	11: 116,347,455 (GRCm39)	I1123K	unknown	Het
Rgs1	A	G	1: 144,124,215 (GRCm39)		probably null	Het
Skint7	T	A	4: 111,841,337 (GRCm39)	V259E	probably benign	Het
Slc25a3	A	T	10: 90,953,904 (GRCm39)		probably null	Het
Slc28a2b	A	T	2: 122,317,161 (GRCm39)	R7S	probably null	Het
Slco1a6	A	T	6: 142,091,481 (GRCm39)	I73N	probably damaging	Het
Sltm	C	G	9: 70,493,955 (GRCm39)	P802R	possibly damaging	Het
Smc4	CTA	CTATA	3: 68,925,400 (GRCm39)		probably benign	Het
Spock2	G	A	10: 59,962,002 (GRCm39)	D206N	probably damaging	Het
Stard3nl	T	G	13: 19,552,008 (GRCm39)	R185S	probably damaging	Het
Supt16	A	G	14: 52,434,556 (GRCm39)	Y18H	probably benign	Het
Synpo	G	A	18: 60,736,500 (GRCm39)	T482I	probably damaging	Het
Tcstv7b	G	A	13: 120,702,376 (GRCm39)	W57*	probably null	Het
Tmc6	G	T	11: 117,660,046 (GRCm39)	T694K	probably benign	Het
Trim59	T	A	3: 68,945,259 (GRCm39)	H27L	probably damaging	Het
Trpv2	G	A	11: 62,481,832 (GRCm39)		probably null	Het
Tyw5	A	T	1: 57,432,644 (GRCm39)	D117E	probably benign	Het
Usp17la	T	C	7: 104,510,354 (GRCm39)	Y320H	probably damaging	Het
Usp31	T	C	7: 121,258,185 (GRCm39)	D694G	probably damaging	Het
Vmn1r159	T	A	7: 22,542,448 (GRCm39)	T195S	probably damaging	Het
Vmn2r57	C	T	7: 41,074,513 (GRCm39)	V517M	possibly damaging	Het
Yipf1	A	G	4: 107,176,193 (GRCm39)	N29S	probably benign	Het
Zfp954	A	T	7: 7,118,823 (GRCm39)	F240L	possibly damaging	Het

Other mutations in Chrnb1

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH 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
R5540:Chrnb1	UTSW	11	69,686,476 (GRCm39)	missense	probably benign	0.30
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
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'- TTACCTGCATCTGGTGGGAG -3'
(R):5'- ACTTGGGGATGATGATCAATACTG -3'

Sequencing Primer
(F):5'- CTGCATCTGGTGGGAGGTAGAAG -3'
(R):5'- TCACATGGTGGCATGTACAC -3'

Posted On

2019-10-24