Incidental Mutation 'R0207:Htt'
ID 33381
Institutional Source Beutler Lab
Gene Symbol Htt
Ensembl Gene ENSMUSG00000029104
Gene Name huntingtin
Synonyms HD, Hdh, htt, huntingtin, IT15
MMRRC Submission 038460-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0207 (G1)
Quality Score 225
Status Validated
Chromosome 5
Chromosomal Location 34761740-34912534 bp(+) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) A to G at 34896908 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 2574 (K2574E)
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: K2574E

PolyPhen 2 Score 0.112 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000078945
Gene: ENSMUSG00000029104
AA Change: K2574E

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000124272
Meta Mutation Damage Score 0.0835 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.2%
  • 20x: 95.5%
Validation Efficiency 95% (76/80)
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: 82 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca1 A G 4: 53,086,039 F488S probably damaging Het
Acap3 C T 4: 155,899,424 R116W probably damaging Het
Adamts10 C A 17: 33,545,390 P663T possibly damaging Het
Akap12 G A 10: 4,353,333 G48S probably damaging Het
Ankrd7 T A 6: 18,870,031 M261K probably benign Het
Ankzf1 C A 1: 75,198,304 D599E possibly damaging Het
Aox1 T C 1: 58,105,014 I1278T possibly damaging Het
Apcdd1 T C 18: 62,950,079 Y327H probably benign Het
Asxl3 T A 18: 22,411,496 probably benign Het
Birc6 C A 17: 74,662,832 probably benign Het
Btaf1 T A 19: 37,009,648 L1714* probably null Het
Cacng6 T A 7: 3,425,004 probably benign Het
Cdc20b A G 13: 113,078,612 D238G probably damaging Het
Celf5 T A 10: 81,470,698 R113W probably null Het
Cfap70 C A 14: 20,412,347 E659D probably damaging Het
Clspn T A 4: 126,590,598 M1183K possibly damaging Het
Dpy19l1 G A 9: 24,453,891 R275C probably damaging Het
Dst C T 1: 34,186,935 S1721L probably benign Het
Faap100 T C 11: 120,374,365 T562A probably damaging Het
Fam168b T C 1: 34,819,688 M133V probably damaging Het
Farp2 T C 1: 93,569,087 I172T probably damaging Het
Fer T G 17: 63,896,278 S68A probably damaging Het
Fmo5 A G 3: 97,645,681 E315G probably damaging Het
Gpr89 A T 3: 96,871,480 F426I probably damaging Het
Hinfp T C 9: 44,296,327 I461V possibly damaging Het
Hsd11b1 A T 1: 193,240,248 V167D probably damaging Het
I830077J02Rik A G 3: 105,926,505 S112P probably benign Het
Igf2bp3 T A 6: 49,105,617 M344L probably benign Het
Itch A T 2: 155,202,257 Q494L probably benign Het
Itga9 T C 9: 118,769,253 probably benign Het
Jaml T A 9: 45,093,767 D152E probably benign Het
Kif22 A C 7: 127,042,400 M1R probably null Het
Kifap3 T C 1: 163,883,386 Y663H probably benign Het
Letm2 T A 8: 25,578,770 N472I probably damaging Het
Mthfr T G 4: 148,052,224 V446G probably damaging Het
Myh11 T C 16: 14,211,260 E1206G possibly damaging Het
Myo6 G A 9: 80,288,056 V903I probably damaging Het
Myo9b C T 8: 71,355,225 probably benign Het
Nr2f2 G C 7: 70,360,175 P52R probably damaging Het
Nsd3 A G 8: 25,683,257 N859S probably benign Het
Nucb2 C A 7: 116,536,010 A384E probably damaging Het
Ogdhl C A 14: 32,342,037 probably null Het
Olfr119 C A 17: 37,701,058 C129* probably null Het
Olfr1247 G A 2: 89,609,863 L80F probably damaging Het
Olfr1357 T C 10: 78,611,871 T257A probably benign Het
Olfr1458 G A 19: 13,103,278 R3C possibly damaging Het
Olfr381 A T 11: 73,486,575 L83Q probably benign Het
Parp10 C T 15: 76,242,633 S145N probably benign Het
Pigh A G 12: 79,083,709 probably benign Het
Pigo A G 4: 43,023,824 probably benign Het
Pkp4 T A 2: 59,305,488 V199D possibly damaging Het
Polr1e C A 4: 45,025,143 probably null Het
Ppfia3 C A 7: 45,348,534 R723L probably damaging Het
Prex1 C A 2: 166,585,898 A945S possibly damaging Het
Prrt3 A T 6: 113,495,840 V457E probably damaging Het
Rab39 A G 9: 53,705,971 F49L possibly damaging Het
Rrs1 C A 1: 9,545,762 probably null Het
Rrs1 G A 1: 9,545,767 E82K probably damaging Het
Serpinb3c T C 1: 107,276,992 D8G probably benign Het
Slc17a6 A G 7: 51,646,180 probably benign Het
Slc24a4 T A 12: 102,228,951 probably null Het
Smc1b C T 15: 85,123,759 M272I probably benign Het
Smc6 T C 12: 11,283,178 probably benign Het
Tcf20 T C 15: 82,855,085 T722A probably benign Het
Tesmin A T 19: 3,404,088 M141L probably benign Het
Tmprss5 T A 9: 49,113,160 H274Q possibly damaging Het
Tns1 C T 1: 73,937,318 probably null Het
Tpr T C 1: 150,417,427 S868P possibly damaging Het
Trank1 C T 9: 111,366,253 T1115I probably damaging Het
Trmt44 A T 5: 35,572,917 I203K possibly damaging Het
Ulk2 A T 11: 61,777,785 V1037E probably benign Het
Usp43 A G 11: 67,876,499 Y682H probably damaging Het
Vipr2 A T 12: 116,142,882 Q366L probably damaging Het
Vmn1r185 C A 7: 26,611,589 V164L possibly damaging Het
Vmn2r120 C T 17: 57,525,052 V246I probably benign Het
Wdr66 T C 5: 123,283,447 V182A probably damaging Het
Wiz C T 17: 32,357,033 G790R probably damaging Het
Wnk1 A T 6: 119,952,733 S1016R probably damaging Het
Zc3hav1 A G 6: 38,311,174 L909S probably benign Het
Zfp236 T A 18: 82,640,227 I637F probably damaging Het
Zfp788 G A 7: 41,649,596 G532D probably damaging Het
Zranb1 T C 7: 132,950,385 I255T probably damaging Het
Other mutations in Htt
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00230:Htt APN 5 34,799,408 (GRCm38) missense probably benign 0.00
IGL00233:Htt APN 5 34,896,026 (GRCm38) splice site probably null
IGL00559:Htt APN 5 34,849,104 (GRCm38) splice site probably benign
IGL00765:Htt APN 5 34,877,425 (GRCm38) splice site probably benign
IGL00950:Htt APN 5 34,891,441 (GRCm38) missense probably benign
IGL00953:Htt APN 5 34,818,677 (GRCm38) missense probably benign 0.04
IGL00957:Htt APN 5 34,806,724 (GRCm38) missense probably benign
IGL01314:Htt APN 5 34,878,856 (GRCm38) missense probably benign
IGL01412:Htt APN 5 34,898,572 (GRCm38) missense probably damaging 0.98
IGL01510:Htt APN 5 34,907,512 (GRCm38) missense probably damaging 1.00
IGL01617:Htt APN 5 34,876,755 (GRCm38) missense possibly damaging 0.67
IGL01893:Htt APN 5 34,876,830 (GRCm38) missense probably damaging 1.00
IGL01914:Htt APN 5 34,829,709 (GRCm38) missense probably benign
IGL01994:Htt APN 5 34,832,604 (GRCm38) missense possibly damaging 0.83
IGL02102:Htt APN 5 34,891,481 (GRCm38) splice site probably benign
IGL02381:Htt APN 5 34,829,760 (GRCm38) missense probably benign 0.03
IGL02529:Htt APN 5 34,819,043 (GRCm38) splice site probably benign
IGL02678:Htt APN 5 34,899,902 (GRCm38) missense probably damaging 1.00
IGL02707:Htt APN 5 34,829,881 (GRCm38) critical splice donor site probably null
IGL02731:Htt APN 5 34,803,793 (GRCm38) missense probably benign 0.41
IGL02931:Htt APN 5 34,876,753 (GRCm38) missense probably damaging 1.00
IGL03167:Htt APN 5 34,818,986 (GRCm38) missense probably damaging 0.98
IGL03343:Htt APN 5 34,826,041 (GRCm38) missense probably benign
IGL03344:Htt APN 5 34,907,466 (GRCm38) missense probably benign 0.02
IGL03344:Htt APN 5 34,879,828 (GRCm38) missense probably benign 0.39
IGL03366:Htt APN 5 34,907,580 (GRCm38) missense probably damaging 1.00
IGL03410:Htt APN 5 34,799,445 (GRCm38) missense probably damaging 0.99
Chalk UTSW 5 34,907,086 (GRCm38) missense possibly damaging 0.86
IGL02796:Htt UTSW 5 34,877,482 (GRCm38) missense probably benign 0.43
PIT4377001:Htt UTSW 5 34,875,965 (GRCm38) missense probably benign 0.10
R0013:Htt UTSW 5 34,820,104 (GRCm38) missense probably benign 0.25
R0049:Htt UTSW 5 34,908,662 (GRCm38) missense probably damaging 0.97
R0049:Htt UTSW 5 34,908,662 (GRCm38) missense probably damaging 0.97
R0056:Htt UTSW 5 34,826,078 (GRCm38) splice site probably benign
R0329:Htt UTSW 5 34,817,134 (GRCm38) splice site probably benign
R0494:Htt UTSW 5 34,821,844 (GRCm38) missense possibly damaging 0.73
R0548:Htt UTSW 5 34,870,746 (GRCm38) missense probably damaging 1.00
R0601:Htt UTSW 5 34,846,003 (GRCm38) missense probably benign 0.08
R0799:Htt UTSW 5 34,817,753 (GRCm38) missense probably benign 0.00
R0947:Htt UTSW 5 34,898,924 (GRCm38) missense probably damaging 1.00
R1053:Htt UTSW 5 34,851,217 (GRCm38) critical splice acceptor site probably null
R1147:Htt UTSW 5 34,851,252 (GRCm38) missense probably damaging 0.98
R1147:Htt UTSW 5 34,851,252 (GRCm38) missense probably damaging 0.98
R1478:Htt UTSW 5 34,803,827 (GRCm38) missense probably damaging 0.99
R1573:Htt UTSW 5 34,864,374 (GRCm38) splice site probably benign
R1677:Htt UTSW 5 34,828,574 (GRCm38) missense probably damaging 1.00
R1792:Htt UTSW 5 34,907,199 (GRCm38) missense probably damaging 1.00
R1816:Htt UTSW 5 34,803,740 (GRCm38) missense probably benign 0.01
R1833:Htt UTSW 5 34,905,748 (GRCm38) splice site probably benign
R1837:Htt UTSW 5 34,819,023 (GRCm38) missense probably benign 0.00
R1846:Htt UTSW 5 34,848,944 (GRCm38) missense probably damaging 0.98
R1875:Htt UTSW 5 34,794,112 (GRCm38) missense probably benign 0.05
R1899:Htt UTSW 5 34,907,085 (GRCm38) missense probably benign 0.01
R2013:Htt UTSW 5 34,852,871 (GRCm38) missense probably damaging 0.99
R2062:Htt UTSW 5 34,825,982 (GRCm38) missense probably benign 0.00
R2064:Htt UTSW 5 34,825,982 (GRCm38) missense probably benign 0.00
R2067:Htt UTSW 5 34,825,982 (GRCm38) missense probably benign 0.00
R2068:Htt UTSW 5 34,825,982 (GRCm38) missense probably benign 0.00
R2131:Htt UTSW 5 34,877,109 (GRCm38) missense possibly damaging 0.50
R2162:Htt UTSW 5 34,821,718 (GRCm38) missense probably benign 0.44
R2169:Htt UTSW 5 34,877,475 (GRCm38) missense probably benign 0.08
R2345:Htt UTSW 5 34,826,004 (GRCm38) missense possibly damaging 0.80
R2433:Htt UTSW 5 34,907,541 (GRCm38) missense possibly damaging 0.65
R3027:Htt UTSW 5 34,820,095 (GRCm38) missense possibly damaging 0.85
R3123:Htt UTSW 5 34,804,531 (GRCm38) missense probably benign
R3125:Htt UTSW 5 34,804,531 (GRCm38) missense probably benign
R3717:Htt UTSW 5 34,811,522 (GRCm38) splice site probably benign
R3758:Htt UTSW 5 34,895,970 (GRCm38) missense probably damaging 0.97
R3805:Htt UTSW 5 34,877,204 (GRCm38) splice site probably null
R3833:Htt UTSW 5 34,821,718 (GRCm38) missense probably benign 0.44
R4066:Htt UTSW 5 34,878,847 (GRCm38) missense probably benign
R4272:Htt UTSW 5 34,849,069 (GRCm38) missense possibly damaging 0.96
R4625:Htt UTSW 5 34,829,785 (GRCm38) missense probably damaging 0.99
R4634:Htt UTSW 5 34,875,948 (GRCm38) missense probably benign 0.06
R4655:Htt UTSW 5 34,906,132 (GRCm38) missense probably benign 0.06
R4679:Htt UTSW 5 34,820,080 (GRCm38) missense probably benign
R4684:Htt UTSW 5 34,852,765 (GRCm38) missense probably damaging 1.00
R4832:Htt UTSW 5 34,824,840 (GRCm38) missense probably benign 0.01
R4833:Htt UTSW 5 34,852,225 (GRCm38) missense probably damaging 0.98
R4973:Htt UTSW 5 34,813,023 (GRCm38) missense probably damaging 0.99
R5095:Htt UTSW 5 34,824,395 (GRCm38) missense possibly damaging 0.89
R5132:Htt UTSW 5 34,905,679 (GRCm38) missense possibly damaging 0.89
R5351:Htt UTSW 5 34,803,833 (GRCm38) missense probably damaging 0.99
R5361:Htt UTSW 5 34,907,584 (GRCm38) missense possibly damaging 0.47
R5399:Htt UTSW 5 34,877,151 (GRCm38) missense probably damaging 0.98
R5462:Htt UTSW 5 34,885,507 (GRCm38) nonsense probably null
R5552:Htt UTSW 5 34,821,774 (GRCm38) missense probably benign
R5566:Htt UTSW 5 34,849,075 (GRCm38) missense probably damaging 1.00
R5595:Htt UTSW 5 34,905,397 (GRCm38) missense probably damaging 0.96
R5617:Htt UTSW 5 34,870,806 (GRCm38) missense possibly damaging 0.77
R5835:Htt UTSW 5 34,813,190 (GRCm38) missense probably benign 0.16
R5891:Htt UTSW 5 34,870,823 (GRCm38) missense possibly damaging 0.62
R6158:Htt UTSW 5 34,907,086 (GRCm38) missense possibly damaging 0.86
R6159:Htt UTSW 5 34,804,676 (GRCm38) missense probably benign 0.08
R6169:Htt UTSW 5 34,907,473 (GRCm38) missense probably damaging 1.00
R6242:Htt UTSW 5 34,846,012 (GRCm38) missense probably damaging 1.00
R6274:Htt UTSW 5 34,852,087 (GRCm38) missense possibly damaging 0.81
R6280:Htt UTSW 5 34,870,759 (GRCm38) missense probably benign 0.00
R6294:Htt UTSW 5 34,821,826 (GRCm38) missense probably benign
R6331:Htt UTSW 5 34,895,887 (GRCm38) missense possibly damaging 0.89
R6448:Htt UTSW 5 34,875,992 (GRCm38) missense probably benign 0.05
R6474:Htt UTSW 5 34,824,895 (GRCm38) missense probably benign 0.06
R6592:Htt UTSW 5 34,877,044 (GRCm38) missense possibly damaging 0.92
R6818:Htt UTSW 5 34,782,767 (GRCm38) missense probably damaging 0.99
R6830:Htt UTSW 5 34,834,326 (GRCm38) missense possibly damaging 0.82
R6920:Htt UTSW 5 34,877,100 (GRCm38) missense probably null 1.00
R6962:Htt UTSW 5 34,899,771 (GRCm38) critical splice acceptor site probably null
R7057:Htt UTSW 5 34,821,723 (GRCm38) missense probably null 0.05
R7144:Htt UTSW 5 34,846,006 (GRCm38) missense probably damaging 1.00
R7166:Htt UTSW 5 34,852,894 (GRCm38) missense probably benign 0.42
R7329:Htt UTSW 5 34,829,755 (GRCm38) missense probably benign 0.03
R7378:Htt UTSW 5 34,803,799 (GRCm38) missense probably benign 0.04
R7418:Htt UTSW 5 34,790,353 (GRCm38) missense possibly damaging 0.55
R7495:Htt UTSW 5 34,811,477 (GRCm38) missense probably benign 0.00
R7554:Htt UTSW 5 34,864,740 (GRCm38) missense probably damaging 0.97
R7575:Htt UTSW 5 34,905,643 (GRCm38) missense probably damaging 1.00
R7763:Htt UTSW 5 34,852,190 (GRCm38) missense probably damaging 1.00
R7782:Htt UTSW 5 34,882,992 (GRCm38) missense probably benign 0.03
R7850:Htt UTSW 5 34,852,287 (GRCm38) splice site probably null
R7870:Htt UTSW 5 34,898,547 (GRCm38) missense possibly damaging 0.77
R7871:Htt UTSW 5 34,864,649 (GRCm38) missense probably benign 0.00
R7879:Htt UTSW 5 34,823,908 (GRCm38) missense probably benign
R7992:Htt UTSW 5 34,829,881 (GRCm38) critical splice donor site probably null
R8058:Htt UTSW 5 34,820,100 (GRCm38) missense probably benign
R8168:Htt UTSW 5 34,882,956 (GRCm38) missense probably benign 0.00
R8188:Htt UTSW 5 34,761,943 (GRCm38) missense probably benign 0.03
R8262:Htt UTSW 5 34,895,960 (GRCm38) missense probably benign
R8343:Htt UTSW 5 34,905,724 (GRCm38) missense probably damaging 1.00
R8353:Htt UTSW 5 34,877,155 (GRCm38) missense possibly damaging 0.49
R8769:Htt UTSW 5 34,820,289 (GRCm38) missense probably benign 0.05
R8808:Htt UTSW 5 34,889,447 (GRCm38) missense probably benign 0.10
R8825:Htt UTSW 5 34,825,960 (GRCm38) missense probably benign 0.24
R8843:Htt UTSW 5 34,889,465 (GRCm38) missense possibly damaging 0.92
R8856:Htt UTSW 5 34,903,331 (GRCm38) missense probably benign 0.44
R8882:Htt UTSW 5 34,821,717 (GRCm38) missense probably benign
R8898:Htt UTSW 5 34,819,032 (GRCm38) missense probably benign 0.01
R8964:Htt UTSW 5 34,905,376 (GRCm38) missense probably benign 0.09
R8987:Htt UTSW 5 34,820,024 (GRCm38) missense probably benign 0.18
R8991:Htt UTSW 5 34,905,718 (GRCm38) missense probably damaging 1.00
R9005:Htt UTSW 5 34,817,751 (GRCm38) missense possibly damaging 0.92
R9019:Htt UTSW 5 34,866,576 (GRCm38) missense probably damaging 1.00
R9057:Htt UTSW 5 34,852,110 (GRCm38) missense possibly damaging 0.86
R9157:Htt UTSW 5 34,829,827 (GRCm38) missense probably null 0.89
R9205:Htt UTSW 5 34,819,023 (GRCm38) missense probably benign 0.00
R9223:Htt UTSW 5 34,905,348 (GRCm38) missense probably benign 0.01
R9243:Htt UTSW 5 34,898,932 (GRCm38) splice site probably benign
R9329:Htt UTSW 5 34,832,613 (GRCm38) missense possibly damaging 0.69
R9355:Htt UTSW 5 34,895,903 (GRCm38) missense probably benign
R9402:Htt UTSW 5 34,848,980 (GRCm38) missense probably damaging 1.00
R9446:Htt UTSW 5 34,761,928 (GRCm38) missense probably benign
R9716:Htt UTSW 5 34,854,675 (GRCm38) missense probably damaging 1.00
Z1177:Htt UTSW 5 34,852,231 (GRCm38) missense probably null 0.87
Predicted Primers PCR Primer
(F):5'- ATGGCATGGCAGCTCAGAGTACAG -3'
(R):5'- TGTGGTATGTGGCTCAAGCTCAAAG -3'

Sequencing Primer
(F):5'- GTTAACTTGAGGCAGCCATC -3'
(R):5'- CTTGTAGCTCATGTTGCCTG -3'
Posted On 2013-05-09