Incidental Mutation 'R6274:Htt'
ID 507516
Institutional Source Beutler Lab
Gene Symbol Htt
Ensembl Gene ENSMUSG00000029104
Gene Name huntingtin
Synonyms Hdh, huntingtin, HD, IT15, htt, C430023I11Rik
MMRRC Submission 044444-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6274 (G1)
Quality Score 225.009
Status Validated
Chromosome 5
Chromosomal Location 34919084-35069878 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 35009431 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 1471 (S1471P)
Ref Sequence ENSEMBL: ENSMUSP00000078945 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000080036]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000080036
AA Change: S1471P

PolyPhen 2 Score 0.805 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000078945
Gene: ENSMUSG00000029104
AA Change: S1471P

DomainStartEndE-ValueType
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
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.9%
  • 20x: 94.1%
Validation Efficiency 100% (56/56)
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ank3 G A 10: 69,838,395 (GRCm39) R1566K possibly damaging Het
Ano1 A T 7: 144,172,600 (GRCm39) S528T probably benign Het
Araf G T X: 20,726,339 (GRCm39) R601L probably damaging Homo
Bcl2l10 T C 9: 75,258,354 (GRCm39) I172T possibly damaging Het
Bpifb3 A T 2: 153,771,243 (GRCm39) N385I possibly damaging Het
Bsnd A G 4: 106,343,832 (GRCm39) V158A probably damaging Het
Cacna1s A G 1: 136,016,783 (GRCm39) N481S probably benign Het
Cdk5rap1 A G 2: 154,210,161 (GRCm39) V138A probably damaging Het
Cep290 A G 10: 100,366,069 (GRCm39) E1099G probably damaging Het
Cers1 T A 8: 70,783,727 (GRCm39) L225Q probably damaging Het
Cfb T C 17: 35,081,069 (GRCm39) Q7R probably benign Het
Clk4 A G 11: 51,162,748 (GRCm39) S98G possibly damaging Het
Clock A G 5: 76,385,000 (GRCm39) S406P probably benign Het
Csmd3 T C 15: 47,484,833 (GRCm39) I3178V probably benign Het
Dock10 A G 1: 80,516,540 (GRCm39) S1397P probably damaging Het
Fer1l4 A G 2: 155,871,188 (GRCm39) L1421P probably damaging Het
Fetub C T 16: 22,751,081 (GRCm39) R143C probably damaging Het
Greb1 G T 12: 16,785,152 (GRCm39) T91K probably damaging Het
Grid2ip G A 5: 143,366,184 (GRCm39) S379N probably damaging Het
Gucy1b2 A T 14: 62,653,388 (GRCm39) C336S probably damaging Het
Hdac1 A G 4: 129,412,902 (GRCm39) C261R probably damaging Het
Ice1 A G 13: 70,742,958 (GRCm39) V2134A probably damaging Het
Ikzf1 C T 11: 11,718,961 (GRCm39) Q310* probably null Het
Il3ra G A 14: 14,350,180 (GRCm38) V112I probably benign Het
Kif21b A G 1: 136,077,156 (GRCm39) I393V possibly damaging Het
Krt74 T C 15: 101,671,872 (GRCm39) noncoding transcript Het
Krtap29-1 T C 11: 99,869,809 (GRCm39) N24S probably null Het
Mmut T C 17: 41,267,136 (GRCm39) V570A probably benign Het
Myh7 T C 14: 55,216,943 (GRCm39) D1138G probably damaging Het
Nktr T C 9: 121,560,631 (GRCm39) I125T probably damaging Het
Nlrp2 A T 7: 5,320,554 (GRCm39) L861Q probably damaging Het
Notch3 C A 17: 32,366,264 (GRCm39) R990L probably benign Het
Nrap T C 19: 56,350,153 (GRCm39) D655G probably benign Het
Or10ak8 A T 4: 118,774,427 (GRCm39) V79E probably benign Het
Or5b99 G A 19: 12,977,234 (GRCm39) V295I probably damaging Het
Osbpl11 T A 16: 33,047,426 (GRCm39) I463N probably damaging Het
Pcsk6 A T 7: 65,683,592 (GRCm39) R749W probably damaging Het
Plaat5 C T 19: 7,614,831 (GRCm39) T231I probably damaging Het
Plxnb1 T C 9: 108,941,209 (GRCm39) probably null Het
Polr1a T A 6: 71,931,874 (GRCm39) probably null Het
Ppm1g T C 5: 31,363,750 (GRCm39) I153V probably damaging Het
Ppp1r12a T C 10: 108,096,751 (GRCm39) S191P probably benign Het
Prodh T C 16: 17,898,922 (GRCm39) K178E possibly damaging Het
Rilpl2 A G 5: 124,607,911 (GRCm39) V103A possibly damaging Het
Sap18b C T 8: 96,552,169 (GRCm39) H60Y probably benign Het
Sclt1 A G 3: 41,583,951 (GRCm39) probably null Het
Serpinb1a G T 13: 33,026,849 (GRCm39) H364Q probably damaging Het
Sez6l G A 5: 112,623,231 (GRCm39) Q107* probably null Het
Sipa1l2 C T 8: 126,196,611 (GRCm39) V708I probably damaging Het
Tbc1d2 C T 4: 46,629,912 (GRCm39) G252R probably benign Het
Uaca T A 9: 60,757,573 (GRCm39) probably null Het
Uqcrc1 C A 9: 108,771,224 (GRCm39) H95N probably damaging Het
Usp9y C T Y: 1,316,735 (GRCm39) R1938H probably damaging Homo
Wnk4 C T 11: 101,156,257 (GRCm39) R42W probably damaging Het
Zfp326 T A 5: 106,053,846 (GRCm39) L242Q probably damaging Het
Other mutations in Htt
AlleleSourceChrCoordTypePredicted EffectPPH 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
R2162:Htt UTSW 5 34,979,062 (GRCm39) missense probably benign 0.44
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
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'- AACCATCAGGCTCTCCATGTG -3'
(R):5'- TACACACAGCACTTGCAGTC -3'

Sequencing Primer
(F):5'- AGGCTCTCCATGTGGCAGAG -3'
(R):5'- CACTTGCAGTCAAAGTGGATGACC -3'
Posted On 2018-03-15