Mutagenetix > Incidental Mutation

Incidental Mutation 'R2162:Htt'

235199

Institutional Source

Beutler Lab

Gene Symbol

Htt

Ensembl Gene

ENSMUSG00000029104

Gene Name

huntingtin

Synonyms

Hdh, huntingtin, HD, IT15, htt, C430023I11Rik

MMRRC Submission

040165-MU

Accession Numbers

Essential gene?

Essential (E-score: 1.000) question?

Stock #

R2162 (G1)

Quality Score

225

Status

Validated

Chromosome

Chromosomal Location

34919084-35069878 bp(+) (GRCm39)

Type of Mutation

missense

DNA Base Change (assembly)

T to A at 34979062 bp (GRCm39)

Zygosity

Heterozygous

Amino Acid Change

Valine to Aspartic acid at position 815 (V815D)

Ref Sequence

ENSEMBL: ENSMUSP00000078945 (fasta)

Gene Model

predicted gene model for transcript(s): [ENSMUST00000080036]

AlphaFold

no structure available at present

Predicted Effect

probably benign
Transcript: ENSMUST00000080036
AA Change: V815D

PolyPhen 2 Score 0.443 (Sensitivity: 0.89; Specificity: 0.90)

SMART Domains

Protein: ENSMUSP00000078945
Gene: ENSMUSG00000029104
AA Change: V815D

Domain	Start	End	E-Value	Type
low complexity region	18	65	N/A	INTRINSIC
SCOP:d1qgra_	92	370	1e-12	SMART
low complexity region	371	388	N/A	INTRINSIC
low complexity region	432	453	N/A	INTRINSIC
low complexity region	1150	1161	N/A	INTRINSIC
low complexity region	1423	1441	N/A	INTRINSIC
Pfam:DUF3652	1494	1534	9.3e-20	PFAM
low complexity region	1812	1822	N/A	INTRINSIC
Blast:GAF	1866	2040	1e-104	BLAST
low complexity region	2461	2472	N/A	INTRINSIC
low complexity region	2611	2621	N/A	INTRINSIC
low complexity region	2622	2635	N/A	INTRINSIC
low complexity region	2857	2872	N/A	INTRINSIC

Predicted Effect

noncoding transcript
Transcript: ENSMUST00000148953

Meta Mutation Damage Score

0.2153

Coding Region Coverage

1x: 99.3%
3x: 98.7%
10x: 97.5%
20x: 95.6%

Validation Efficiency

100% (55/55)

MGI Phenotype

FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Huntingtin is a disease gene linked to Huntington's disease, a neurodegenerative disorder characterized by loss of striatal neurons. This is thought to be caused by an expanded, unstable trinucleotide repeat in the huntingtin gene, which translates as a polyglutamine repeat in the protein product. A fairly broad range of trinucleotide repeats (9-35) has been identified in normal controls, and repeat numbers in excess of 40 have been described as pathological. The huntingtin locus is large, spanning 180 kb and consisting of 67 exons. The huntingtin gene is widely expressed and is required for normal development. It is expressed as 2 alternatively polyadenylated forms displaying different relative abundance in various fetal and adult tissues. The larger transcript is approximately 13.7 kb and is expressed predominantly in adult and fetal brain whereas the smaller transcript of approximately 10.3 kb is more widely expressed. The genetic defect leading to Huntington's disease may not necessarily eliminate transcription, but may confer a new property on the mRNA or alter the function of the protein. One candidate is the huntingtin-associated protein-1, highly expressed in brain, which has increased affinity for huntingtin protein with expanded polyglutamine repeats. This gene contains an upstream open reading frame in the 5' UTR that inhibits expression of the huntingtin gene product through translational repression. [provided by RefSeq, Jul 2016]
PHENOTYPE: Null mutants gastrulate abnormally and die in utero. Conditional mutants are small with progressive neurodegeneration. Knock-ins of 20-150 CAG repeat units variably mimic Huntington's with late-onset motor defects, reactive gliosis and neuronal inclusions. [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
Adamts20	A	C	15: 94,229,339 (GRCm39)	C927G	probably damaging	Het
Afdn	T	A	17: 14,116,436 (GRCm39)	D190E	probably benign	Het
Ankrd28	T	C	14: 31,430,719 (GRCm39)	D850G	probably damaging	Het
Arhgap45	T	C	10: 79,852,813 (GRCm39)	M1T	probably null	Het
Atp6v0a4	T	G	6: 38,065,581 (GRCm39)	K128N	possibly damaging	Het
Bcat1	T	A	6: 144,955,834 (GRCm39)	D349V	probably damaging	Het
Cacna1i	T	C	15: 80,240,388 (GRCm39)	F370S	probably damaging	Het
Clca4b	T	C	3: 144,634,348 (GRCm39)	I82V	probably benign	Het
Csmd3	CCTTTGCGCTT	CCTT	15: 47,604,632 (GRCm39)		probably null	Het
Cyfip2	T	C	11: 46,152,333 (GRCm39)	D485G	probably benign	Het
Cyp27b1	G	T	10: 126,886,929 (GRCm39)	V382L	probably damaging	Het
Dnaaf5	T	C	5: 139,167,320 (GRCm39)	V447A	possibly damaging	Het
Dpp9	A	T	17: 56,506,113 (GRCm39)	F429I	possibly damaging	Het
Eng	C	T	2: 32,569,059 (GRCm39)	R528C	probably damaging	Het
Gcn1	A	T	5: 115,730,191 (GRCm39)	Q835L	probably benign	Het
Gprc6a	CAAA	CA	10: 51,491,776 (GRCm39)		probably null	Het
Hlx	T	A	1: 184,462,889 (GRCm39)		probably null	Het
Il36rn	G	T	2: 24,169,692 (GRCm39)	L17F	probably damaging	Het
Itga1	C	T	13: 115,167,446 (GRCm39)	V157I	probably benign	Het
Krtap19-3	T	G	16: 88,674,607 (GRCm39)	*88C	probably null	Het
Lzic	G	C	4: 149,573,185 (GRCm39)	E112D	probably null	Het
Mark2	G	C	19: 7,260,112 (GRCm39)	S111C	probably damaging	Het
Mep1b	C	T	18: 21,219,296 (GRCm39)	T150I	possibly damaging	Het
Mroh7	G	C	4: 106,557,378 (GRCm39)	S777R	probably damaging	Het
Nrxn1	G	A	17: 90,469,859 (GRCm39)	R35C	probably damaging	Het
Or12e10	T	A	2: 87,640,704 (GRCm39)	I180K	probably damaging	Het
Or51v8	T	G	7: 103,320,079 (GRCm39)	Q53P	possibly damaging	Het
Or5p69	C	A	7: 107,966,769 (GRCm39)	P24Q	probably benign	Het
Pacs2	A	G	12: 113,014,567 (GRCm39)	T243A	probably benign	Het
Pan2	A	G	10: 128,140,091 (GRCm39)	E4G	possibly damaging	Het
Pdp1	A	G	4: 11,961,123 (GRCm39)	V396A	probably damaging	Het
Pdzd7	A	G	19: 45,024,494 (GRCm39)		probably null	Het
Peg10	T	A	6: 4,755,914 (GRCm39)		probably benign	Het
Pgc	C	A	17: 48,040,236 (GRCm39)	F93L	probably null	Het
Piezo2	A	G	18: 63,214,733 (GRCm39)		probably null	Het
Pja2	T	C	17: 64,616,397 (GRCm39)	D166G	probably benign	Het
Ppp1r9b	T	C	11: 94,888,877 (GRCm39)	L97P	probably damaging	Het
Ptgir	A	G	7: 16,640,794 (GRCm39)	M29V	possibly damaging	Het
S100a10	T	C	3: 93,471,680 (GRCm39)	V88A	probably damaging	Het
Scn9a	T	A	2: 66,364,573 (GRCm39)	Y789F	probably damaging	Het
Slit3	A	T	11: 35,579,509 (GRCm39)	S1229C	probably null	Het
Spata31g1	A	G	4: 42,972,238 (GRCm39)	T524A	possibly damaging	Het
Sptan1	T	C	2: 29,908,588 (GRCm39)		probably benign	Het
Srrd	G	T	5: 112,490,810 (GRCm39)		probably benign	Het
Tdrd3	A	G	14: 87,718,221 (GRCm39)	T201A	probably damaging	Het
Tectb	C	G	19: 55,169,431 (GRCm39)		probably benign	Het
Ttll4	A	G	1: 74,725,550 (GRCm39)	K653E	probably damaging	Het
Usp43	A	G	11: 67,770,795 (GRCm39)	L613P	probably damaging	Het
Vmn1r167	T	C	7: 23,204,224 (GRCm39)	D264G	possibly damaging	Het
Whamm	A	G	7: 81,221,089 (GRCm39)	D7G	probably damaging	Het
Zcchc17	T	C	4: 130,232,317 (GRCm39)	D62G	probably benign	Het
Zfp280d	T	A	9: 72,206,104 (GRCm39)	I62K	probably damaging	Het
Zfp445	T	G	9: 122,681,541 (GRCm39)	E800A	probably damaging	Het
Zfp516	A	G	18: 83,005,063 (GRCm39)	R656G	possibly damaging	Het

Other mutations in Htt

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH Score
IGL00230:Htt	APN	5	34,956,752 (GRCm39)	missense	probably benign	0.00
IGL00233:Htt	APN	5	35,053,370 (GRCm39)	splice site	probably null
IGL00559:Htt	APN	5	35,006,448 (GRCm39)	splice site	probably benign
IGL00765:Htt	APN	5	35,034,769 (GRCm39)	splice site	probably benign
IGL00950:Htt	APN	5	35,048,785 (GRCm39)	missense	probably benign
IGL00953:Htt	APN	5	34,976,021 (GRCm39)	missense	probably benign	0.04
IGL00957:Htt	APN	5	34,964,068 (GRCm39)	missense	probably benign
IGL01314:Htt	APN	5	35,036,200 (GRCm39)	missense	probably benign
IGL01412:Htt	APN	5	35,055,916 (GRCm39)	missense	probably damaging	0.98
IGL01510:Htt	APN	5	35,064,856 (GRCm39)	missense	probably damaging	1.00
IGL01617:Htt	APN	5	35,034,099 (GRCm39)	missense	possibly damaging	0.67
IGL01893:Htt	APN	5	35,034,174 (GRCm39)	missense	probably damaging	1.00
IGL01914:Htt	APN	5	34,987,053 (GRCm39)	missense	probably benign
IGL01994:Htt	APN	5	34,989,948 (GRCm39)	missense	possibly damaging	0.83
IGL02102:Htt	APN	5	35,048,825 (GRCm39)	splice site	probably benign
IGL02381:Htt	APN	5	34,987,104 (GRCm39)	missense	probably benign	0.03
IGL02529:Htt	APN	5	34,976,387 (GRCm39)	splice site	probably benign
IGL02678:Htt	APN	5	35,057,246 (GRCm39)	missense	probably damaging	1.00
IGL02707:Htt	APN	5	34,987,225 (GRCm39)	critical splice donor site	probably null
IGL02731:Htt	APN	5	34,961,137 (GRCm39)	missense	probably benign	0.41
IGL02931:Htt	APN	5	35,034,097 (GRCm39)	missense	probably damaging	1.00
IGL03167:Htt	APN	5	34,976,330 (GRCm39)	missense	probably damaging	0.98
IGL03343:Htt	APN	5	34,983,385 (GRCm39)	missense	probably benign
IGL03344:Htt	APN	5	35,037,172 (GRCm39)	missense	probably benign	0.39
IGL03344:Htt	APN	5	35,064,810 (GRCm39)	missense	probably benign	0.02
IGL03366:Htt	APN	5	35,064,924 (GRCm39)	missense	probably damaging	1.00
IGL03410:Htt	APN	5	34,956,789 (GRCm39)	missense	probably damaging	0.99
Chalk	UTSW	5	35,064,430 (GRCm39)	missense	possibly damaging	0.86
IGL02796:Htt	UTSW	5	35,034,826 (GRCm39)	missense	probably benign	0.43
PIT4377001:Htt	UTSW	5	35,033,309 (GRCm39)	missense	probably benign	0.10
R0013:Htt	UTSW	5	34,977,448 (GRCm39)	missense	probably benign	0.25
R0049:Htt	UTSW	5	35,066,006 (GRCm39)	missense	probably damaging	0.97
R0049:Htt	UTSW	5	35,066,006 (GRCm39)	missense	probably damaging	0.97
R0056:Htt	UTSW	5	34,983,422 (GRCm39)	splice site	probably benign
R0207:Htt	UTSW	5	35,054,252 (GRCm39)	missense	probably benign	0.11
R0329:Htt	UTSW	5	34,974,478 (GRCm39)	splice site	probably benign
R0494:Htt	UTSW	5	34,979,188 (GRCm39)	missense	possibly damaging	0.73
R0548:Htt	UTSW	5	35,028,090 (GRCm39)	missense	probably damaging	1.00
R0601:Htt	UTSW	5	35,003,347 (GRCm39)	missense	probably benign	0.08
R0799:Htt	UTSW	5	34,975,097 (GRCm39)	missense	probably benign	0.00
R0947:Htt	UTSW	5	35,056,268 (GRCm39)	missense	probably damaging	1.00
R1053:Htt	UTSW	5	35,008,561 (GRCm39)	critical splice acceptor site	probably null
R1147:Htt	UTSW	5	35,008,596 (GRCm39)	missense	probably damaging	0.98
R1147:Htt	UTSW	5	35,008,596 (GRCm39)	missense	probably damaging	0.98
R1478:Htt	UTSW	5	34,961,171 (GRCm39)	missense	probably damaging	0.99
R1573:Htt	UTSW	5	35,021,718 (GRCm39)	splice site	probably benign
R1677:Htt	UTSW	5	34,985,918 (GRCm39)	missense	probably damaging	1.00
R1792:Htt	UTSW	5	35,064,543 (GRCm39)	missense	probably damaging	1.00
R1816:Htt	UTSW	5	34,961,084 (GRCm39)	missense	probably benign	0.01
R1833:Htt	UTSW	5	35,063,092 (GRCm39)	splice site	probably benign
R1837:Htt	UTSW	5	34,976,367 (GRCm39)	missense	probably benign	0.00
R1846:Htt	UTSW	5	35,006,288 (GRCm39)	missense	probably damaging	0.98
R1875:Htt	UTSW	5	34,951,456 (GRCm39)	missense	probably benign	0.05
R1899:Htt	UTSW	5	35,064,429 (GRCm39)	missense	probably benign	0.01
R2013:Htt	UTSW	5	35,010,215 (GRCm39)	missense	probably damaging	0.99
R2062:Htt	UTSW	5	34,983,326 (GRCm39)	missense	probably benign	0.00
R2064:Htt	UTSW	5	34,983,326 (GRCm39)	missense	probably benign	0.00
R2067:Htt	UTSW	5	34,983,326 (GRCm39)	missense	probably benign	0.00
R2068:Htt	UTSW	5	34,983,326 (GRCm39)	missense	probably benign	0.00
R2131:Htt	UTSW	5	35,034,453 (GRCm39)	missense	possibly damaging	0.50
R2169:Htt	UTSW	5	35,034,819 (GRCm39)	missense	probably benign	0.08
R2345:Htt	UTSW	5	34,983,348 (GRCm39)	missense	possibly damaging	0.80
R2433:Htt	UTSW	5	35,064,885 (GRCm39)	missense	possibly damaging	0.65
R3027:Htt	UTSW	5	34,977,439 (GRCm39)	missense	possibly damaging	0.85
R3123:Htt	UTSW	5	34,961,875 (GRCm39)	missense	probably benign
R3125:Htt	UTSW	5	34,961,875 (GRCm39)	missense	probably benign
R3717:Htt	UTSW	5	34,968,866 (GRCm39)	splice site	probably benign
R3758:Htt	UTSW	5	35,053,314 (GRCm39)	missense	probably damaging	0.97
R3805:Htt	UTSW	5	35,034,548 (GRCm39)	splice site	probably null
R3833:Htt	UTSW	5	34,979,062 (GRCm39)	missense	probably benign	0.44
R4066:Htt	UTSW	5	35,036,191 (GRCm39)	missense	probably benign
R4272:Htt	UTSW	5	35,006,413 (GRCm39)	missense	possibly damaging	0.96
R4625:Htt	UTSW	5	34,987,129 (GRCm39)	missense	probably damaging	0.99
R4634:Htt	UTSW	5	35,033,292 (GRCm39)	missense	probably benign	0.06
R4655:Htt	UTSW	5	35,063,476 (GRCm39)	missense	probably benign	0.06
R4679:Htt	UTSW	5	34,977,424 (GRCm39)	missense	probably benign
R4684:Htt	UTSW	5	35,010,109 (GRCm39)	missense	probably damaging	1.00
R4832:Htt	UTSW	5	34,982,184 (GRCm39)	missense	probably benign	0.01
R4833:Htt	UTSW	5	35,009,569 (GRCm39)	missense	probably damaging	0.98
R4973:Htt	UTSW	5	34,970,367 (GRCm39)	missense	probably damaging	0.99
R5095:Htt	UTSW	5	34,981,739 (GRCm39)	missense	possibly damaging	0.89
R5132:Htt	UTSW	5	35,063,023 (GRCm39)	missense	possibly damaging	0.89
R5351:Htt	UTSW	5	34,961,177 (GRCm39)	missense	probably damaging	0.99
R5361:Htt	UTSW	5	35,064,928 (GRCm39)	missense	possibly damaging	0.47
R5399:Htt	UTSW	5	35,034,495 (GRCm39)	missense	probably damaging	0.98
R5462:Htt	UTSW	5	35,042,851 (GRCm39)	nonsense	probably null
R5552:Htt	UTSW	5	34,979,118 (GRCm39)	missense	probably benign
R5566:Htt	UTSW	5	35,006,419 (GRCm39)	missense	probably damaging	1.00
R5595:Htt	UTSW	5	35,062,741 (GRCm39)	missense	probably damaging	0.96
R5617:Htt	UTSW	5	35,028,150 (GRCm39)	missense	possibly damaging	0.77
R5835:Htt	UTSW	5	34,970,534 (GRCm39)	missense	probably benign	0.16
R5891:Htt	UTSW	5	35,028,167 (GRCm39)	missense	possibly damaging	0.62
R6158:Htt	UTSW	5	35,064,430 (GRCm39)	missense	possibly damaging	0.86
R6159:Htt	UTSW	5	34,962,020 (GRCm39)	missense	probably benign	0.08
R6169:Htt	UTSW	5	35,064,817 (GRCm39)	missense	probably damaging	1.00
R6242:Htt	UTSW	5	35,003,356 (GRCm39)	missense	probably damaging	1.00
R6274:Htt	UTSW	5	35,009,431 (GRCm39)	missense	possibly damaging	0.81
R6280:Htt	UTSW	5	35,028,103 (GRCm39)	missense	probably benign	0.00
R6294:Htt	UTSW	5	34,979,170 (GRCm39)	missense	probably benign
R6331:Htt	UTSW	5	35,053,231 (GRCm39)	missense	possibly damaging	0.89
R6448:Htt	UTSW	5	35,033,336 (GRCm39)	missense	probably benign	0.05
R6474:Htt	UTSW	5	34,982,239 (GRCm39)	missense	probably benign	0.06
R6592:Htt	UTSW	5	35,034,388 (GRCm39)	missense	possibly damaging	0.92
R6818:Htt	UTSW	5	34,940,111 (GRCm39)	missense	probably damaging	0.99
R6830:Htt	UTSW	5	34,991,670 (GRCm39)	missense	possibly damaging	0.82
R6920:Htt	UTSW	5	35,034,444 (GRCm39)	missense	probably null	1.00
R6962:Htt	UTSW	5	35,057,115 (GRCm39)	critical splice acceptor site	probably null
R7057:Htt	UTSW	5	34,979,067 (GRCm39)	missense	probably null	0.05
R7144:Htt	UTSW	5	35,003,350 (GRCm39)	missense	probably damaging	1.00
R7166:Htt	UTSW	5	35,010,238 (GRCm39)	missense	probably benign	0.42
R7329:Htt	UTSW	5	34,987,099 (GRCm39)	missense	probably benign	0.03
R7378:Htt	UTSW	5	34,961,143 (GRCm39)	missense	probably benign	0.04
R7418:Htt	UTSW	5	34,947,697 (GRCm39)	missense	possibly damaging	0.55
R7495:Htt	UTSW	5	34,968,821 (GRCm39)	missense	probably benign	0.00
R7554:Htt	UTSW	5	35,022,084 (GRCm39)	missense	probably damaging	0.97
R7575:Htt	UTSW	5	35,062,987 (GRCm39)	missense	probably damaging	1.00
R7763:Htt	UTSW	5	35,009,534 (GRCm39)	missense	probably damaging	1.00
R7782:Htt	UTSW	5	35,040,336 (GRCm39)	missense	probably benign	0.03
R7850:Htt	UTSW	5	35,009,631 (GRCm39)	splice site	probably null
R7870:Htt	UTSW	5	35,055,891 (GRCm39)	missense	possibly damaging	0.77
R7871:Htt	UTSW	5	35,021,993 (GRCm39)	missense	probably benign	0.00
R7879:Htt	UTSW	5	34,981,252 (GRCm39)	missense	probably benign
R7992:Htt	UTSW	5	34,987,225 (GRCm39)	critical splice donor site	probably null
R8058:Htt	UTSW	5	34,977,444 (GRCm39)	missense	probably benign
R8168:Htt	UTSW	5	35,040,300 (GRCm39)	missense	probably benign	0.00
R8188:Htt	UTSW	5	34,919,287 (GRCm39)	missense	probably benign	0.03
R8262:Htt	UTSW	5	35,053,304 (GRCm39)	missense	probably benign
R8343:Htt	UTSW	5	35,063,068 (GRCm39)	missense	probably damaging	1.00
R8353:Htt	UTSW	5	35,034,499 (GRCm39)	missense	possibly damaging	0.49
R8769:Htt	UTSW	5	34,977,633 (GRCm39)	missense	probably benign	0.05
R8808:Htt	UTSW	5	35,046,791 (GRCm39)	missense	probably benign	0.10
R8825:Htt	UTSW	5	34,983,304 (GRCm39)	missense	probably benign	0.24
R8843:Htt	UTSW	5	35,046,809 (GRCm39)	missense	possibly damaging	0.92
R8856:Htt	UTSW	5	35,060,675 (GRCm39)	missense	probably benign	0.44
R8882:Htt	UTSW	5	34,979,061 (GRCm39)	missense	probably benign
R8898:Htt	UTSW	5	34,976,376 (GRCm39)	missense	probably benign	0.01
R8964:Htt	UTSW	5	35,062,720 (GRCm39)	missense	probably benign	0.09
R8987:Htt	UTSW	5	34,977,368 (GRCm39)	missense	probably benign	0.18
R8991:Htt	UTSW	5	35,063,062 (GRCm39)	missense	probably damaging	1.00
R9005:Htt	UTSW	5	34,975,095 (GRCm39)	missense	possibly damaging	0.92
R9019:Htt	UTSW	5	35,023,920 (GRCm39)	missense	probably damaging	1.00
R9057:Htt	UTSW	5	35,009,454 (GRCm39)	missense	possibly damaging	0.86
R9157:Htt	UTSW	5	34,987,171 (GRCm39)	missense	probably null	0.89
R9205:Htt	UTSW	5	34,976,367 (GRCm39)	missense	probably benign	0.00
R9223:Htt	UTSW	5	35,062,692 (GRCm39)	missense	probably benign	0.01
R9243:Htt	UTSW	5	35,056,276 (GRCm39)	splice site	probably benign
R9329:Htt	UTSW	5	34,989,957 (GRCm39)	missense	possibly damaging	0.69
R9355:Htt	UTSW	5	35,053,247 (GRCm39)	missense	probably benign
R9402:Htt	UTSW	5	35,006,324 (GRCm39)	missense	probably damaging	1.00
R9446:Htt	UTSW	5	34,919,272 (GRCm39)	missense	probably benign
R9716:Htt	UTSW	5	35,012,019 (GRCm39)	missense	probably damaging	1.00
Z1177:Htt	UTSW	5	35,009,575 (GRCm39)	missense	probably null	0.87

Predicted Primers

PCR Primer
(F):5'- CTCAAGAGTCAAGGCAAGTAATCAG -3'
(R):5'- AACTGCAGAGACCTCAGGAC -3'

Sequencing Primer
(F):5'- GGGCACATTTACTTTTAAACTCAAGC -3'
(R):5'- AGTCAATCTCTGCCAGAG -3'

Posted On

2014-10-01