Incidental Mutation 'R8305:Kcnu1'
ID 641008
Institutional Source Beutler Lab
Gene Symbol Kcnu1
Ensembl Gene ENSMUSG00000031576
Gene Name potassium channel, subfamily U, member 1
Synonyms Slo3, Kcnma3
MMRRC Submission 067716-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8305 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 26339651-26427967 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 26382018 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 456 (V456A)
Ref Sequence ENSEMBL: ENSMUSP00000096457 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000098858]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000098858
AA Change: V456A

PolyPhen 2 Score 0.209 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000096457
Gene: ENSMUSG00000031576
AA Change: V456A

DomainStartEndE-ValueType
transmembrane domain 27 49 N/A INTRINSIC
Pfam:Ion_trans 101 323 6.9e-21 PFAM
Pfam:Ion_trans_2 229 317 4.7e-12 PFAM
low complexity region 367 380 N/A INTRINSIC
Pfam:BK_channel_a 462 557 1.2e-28 PFAM
low complexity region 670 689 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.9%
Validation Efficiency 98% (65/66)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the potassium channel family of proteins. The encoded voltage-gated ion channel allows the outward flow of potassium ions during plasma membrane hyperpolarization in sperm. Opening of this channel may be regulated by calcium ion levels. Homozygous knockout mice that lack the related mouse gene exhibit male sterility. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2015]
PHENOTYPE: Homozygous male mutants are infertile with impaired sperm capacitation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 67 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930578I06Rik C T 14: 64,208,844 (GRCm39) E243K possibly damaging Het
Accsl A T 2: 93,696,423 (GRCm39) H58Q probably benign Het
Actl7a T A 4: 56,743,744 (GRCm39) F90L probably benign Het
Adam5 G A 8: 25,300,719 (GRCm39) A270V possibly damaging Het
Angptl3 A G 4: 98,919,548 (GRCm39) T103A probably damaging Het
Ankhd1 T C 18: 36,780,219 (GRCm39) L1757P possibly damaging Het
Apoa4 T A 9: 46,152,453 (GRCm39) M1K probably null Het
Arih1 T A 9: 59,303,770 (GRCm39) Q445L probably benign Het
Asb14 A T 14: 26,634,054 (GRCm39) I420L probably benign Het
Bbs2 A C 8: 94,800,953 (GRCm39) V626G probably damaging Het
Cep290 C A 10: 100,380,796 (GRCm39) A1678D probably benign Het
Cilp G A 9: 65,186,286 (GRCm39) G794S probably damaging Het
Clca3a1 C T 3: 144,464,927 (GRCm39) probably benign Het
Clca3b T A 3: 144,531,698 (GRCm39) N702I probably damaging Het
Col24a1 T C 3: 145,179,937 (GRCm39) V1143A probably benign Het
Cux1 T C 5: 136,388,863 (GRCm39) T223A probably benign Het
Defa30 A T 8: 21,625,475 (GRCm39) T80S probably benign Het
Dennd1a G A 2: 37,748,093 (GRCm39) L375F probably damaging Het
Dnajc6 C T 4: 101,480,984 (GRCm39) T675I probably damaging Het
Emc9 A G 14: 55,822,556 (GRCm39) V4A probably damaging Het
Enpp3 C G 10: 24,700,827 (GRCm39) probably null Het
Fam117b A G 1: 59,952,782 (GRCm39) T154A probably benign Het
Filip1 G T 9: 79,727,757 (GRCm39) Y287* probably null Het
Flt3 T C 5: 147,284,864 (GRCm39) D751G probably damaging Het
Frem1 T A 4: 82,918,226 (GRCm39) Q572L probably benign Het
Gja10 G A 4: 32,602,441 (GRCm39) probably benign Het
Gm39115 A G 7: 141,689,360 (GRCm39) C138R unknown Het
Gm7356 T A 17: 14,221,699 (GRCm39) Y110F probably benign Het
Igf2r T C 17: 12,952,747 (GRCm39) K233R probably benign Het
Igkv9-129 A T 6: 67,817,206 (GRCm39) E103D probably benign Het
Igsf11 C A 16: 38,827,586 (GRCm39) T48N probably damaging Het
Itpkc A T 7: 26,913,944 (GRCm39) Y506N probably damaging Het
Kat2a A C 11: 100,600,304 (GRCm39) M357R possibly damaging Het
Kbtbd12 T C 6: 88,595,132 (GRCm39) R233G possibly damaging Het
Kcnd2 T A 6: 21,726,197 (GRCm39) C563* probably null Het
Kif24 A G 4: 41,428,825 (GRCm39) V45A probably damaging Het
Macf1 A T 4: 123,289,414 (GRCm39) probably benign Het
Map3k19 T A 1: 127,745,007 (GRCm39) E1177D Het
Mdn1 G T 4: 32,725,107 (GRCm39) L2575F probably benign Het
Mga T A 2: 119,776,800 (GRCm39) M1569K possibly damaging Het
Mvk T C 5: 114,588,840 (GRCm39) Y161H probably damaging Het
Or10al3 T A 17: 38,012,389 (GRCm39) M276K probably benign Het
Or14c44 G T 7: 86,061,987 (GRCm39) C139F probably damaging Het
Or2n1 C A 17: 38,486,464 (GRCm39) T163K probably damaging Het
Pcdhb14 T A 18: 37,583,075 (GRCm39) V727E possibly damaging Het
Pcsk7 T G 9: 45,821,707 (GRCm39) V167G probably damaging Het
Plin5 T C 17: 56,422,221 (GRCm39) D146G probably benign Het
Plxna4 C T 6: 32,188,000 (GRCm39) G879R possibly damaging Het
Prss58 C T 6: 40,872,594 (GRCm39) A171T probably benign Het
Pum1 A G 4: 130,499,231 (GRCm39) I1016V probably benign Het
Rbm43 A G 2: 51,816,712 (GRCm39) V85A probably damaging Het
Rdh16f2 T A 10: 127,712,864 (GRCm39) D287E probably damaging Het
Rptor T A 11: 119,702,812 (GRCm39) L393Q probably damaging Het
Sbf2 T G 7: 109,970,825 (GRCm39) H857P possibly damaging Het
Scn8a A C 15: 100,938,387 (GRCm39) T1919P probably benign Het
Sema6b C T 17: 56,434,084 (GRCm39) G377E probably damaging Het
Senp7 T A 16: 55,975,603 (GRCm39) D436E probably damaging Het
Slc6a17 T A 3: 107,380,901 (GRCm39) I535F probably benign Het
Sptbn2 T A 19: 4,779,158 (GRCm39) S281T possibly damaging Het
Stt3b T C 9: 115,083,999 (GRCm39) I392M probably damaging Het
Tfap2b T C 1: 19,296,660 (GRCm39) V201A possibly damaging Het
Timm10b T C 7: 105,289,876 (GRCm39) probably benign Het
Ttc23 A C 7: 67,312,135 (GRCm39) D14A probably damaging Het
Usp32 A T 11: 84,923,011 (GRCm39) L636I possibly damaging Het
Vgll4 G T 6: 114,867,613 (GRCm39) H79Q probably damaging Het
Vps13d A G 4: 144,818,858 (GRCm39) I3047T Het
Zan T C 5: 137,448,813 (GRCm39) E1680G unknown Het
Other mutations in Kcnu1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00088:Kcnu1 APN 8 26,387,884 (GRCm39) missense probably benign 0.00
IGL00580:Kcnu1 APN 8 26,355,691 (GRCm39) missense probably benign 0.04
IGL00675:Kcnu1 APN 8 26,341,877 (GRCm39) missense probably benign
IGL00928:Kcnu1 APN 8 26,339,763 (GRCm39) missense probably damaging 1.00
IGL01324:Kcnu1 APN 8 26,339,735 (GRCm39) missense probably benign 0.22
IGL01346:Kcnu1 APN 8 26,424,551 (GRCm39) splice site probably benign
IGL01361:Kcnu1 APN 8 26,376,796 (GRCm39) missense possibly damaging 0.78
IGL01651:Kcnu1 APN 8 26,351,123 (GRCm39) missense probably damaging 1.00
IGL01795:Kcnu1 APN 8 26,403,733 (GRCm39) missense probably damaging 1.00
IGL01800:Kcnu1 APN 8 26,427,528 (GRCm39) missense probably damaging 1.00
IGL01975:Kcnu1 APN 8 26,424,525 (GRCm39) missense probably benign 0.29
IGL02103:Kcnu1 APN 8 26,395,976 (GRCm39) missense possibly damaging 0.83
IGL02109:Kcnu1 APN 8 26,427,727 (GRCm39) missense possibly damaging 0.66
IGL02127:Kcnu1 APN 8 26,382,090 (GRCm39) missense probably damaging 1.00
IGL02170:Kcnu1 APN 8 26,427,588 (GRCm39) missense probably damaging 1.00
IGL02217:Kcnu1 APN 8 26,348,212 (GRCm39) missense probably damaging 1.00
IGL02385:Kcnu1 APN 8 26,422,298 (GRCm39) missense probably damaging 1.00
IGL02493:Kcnu1 APN 8 26,427,548 (GRCm39) missense possibly damaging 0.68
IGL02883:Kcnu1 APN 8 26,339,855 (GRCm39) missense probably benign
IGL02884:Kcnu1 APN 8 26,411,556 (GRCm39) missense probably damaging 1.00
IGL03022:Kcnu1 APN 8 26,427,614 (GRCm39) missense probably damaging 0.98
IGL03281:Kcnu1 APN 8 26,382,105 (GRCm39) missense probably null 1.00
IGL03345:Kcnu1 APN 8 26,371,321 (GRCm39) splice site probably benign
P0026:Kcnu1 UTSW 8 26,382,150 (GRCm39) missense probably damaging 1.00
PIT4677001:Kcnu1 UTSW 8 26,396,021 (GRCm39) missense probably benign
R0001:Kcnu1 UTSW 8 26,349,298 (GRCm39) missense probably damaging 1.00
R0419:Kcnu1 UTSW 8 26,427,646 (GRCm39) missense probably benign 0.13
R0518:Kcnu1 UTSW 8 26,400,916 (GRCm39) missense probably damaging 1.00
R0521:Kcnu1 UTSW 8 26,400,916 (GRCm39) missense probably damaging 1.00
R0581:Kcnu1 UTSW 8 26,427,529 (GRCm39) missense probably damaging 1.00
R0840:Kcnu1 UTSW 8 26,403,712 (GRCm39) start codon destroyed probably null 1.00
R1282:Kcnu1 UTSW 8 26,395,985 (GRCm39) missense probably benign 0.02
R1556:Kcnu1 UTSW 8 26,351,219 (GRCm39) critical splice donor site probably null
R1600:Kcnu1 UTSW 8 26,339,821 (GRCm39) missense probably damaging 1.00
R2011:Kcnu1 UTSW 8 26,408,470 (GRCm39) missense probably benign 0.03
R2035:Kcnu1 UTSW 8 26,386,721 (GRCm39) missense probably benign 0.35
R2082:Kcnu1 UTSW 8 26,411,577 (GRCm39) missense probably damaging 1.00
R2132:Kcnu1 UTSW 8 26,341,928 (GRCm39) missense probably damaging 0.99
R2415:Kcnu1 UTSW 8 26,400,906 (GRCm39) missense probably benign
R2513:Kcnu1 UTSW 8 26,395,994 (GRCm39) missense probably benign 0.00
R3712:Kcnu1 UTSW 8 26,371,448 (GRCm39) missense probably damaging 1.00
R3749:Kcnu1 UTSW 8 26,376,798 (GRCm39) missense probably null 0.01
R3840:Kcnu1 UTSW 8 26,375,380 (GRCm39) missense possibly damaging 0.95
R3874:Kcnu1 UTSW 8 26,375,345 (GRCm39) missense probably damaging 1.00
R4184:Kcnu1 UTSW 8 26,352,445 (GRCm39) missense probably damaging 1.00
R4576:Kcnu1 UTSW 8 26,380,048 (GRCm39) missense probably benign 0.06
R4658:Kcnu1 UTSW 8 26,427,583 (GRCm39) missense probably damaging 1.00
R4667:Kcnu1 UTSW 8 26,400,949 (GRCm39) missense possibly damaging 0.69
R4791:Kcnu1 UTSW 8 26,403,780 (GRCm39) missense probably damaging 1.00
R4940:Kcnu1 UTSW 8 26,387,890 (GRCm39) splice site probably null
R5120:Kcnu1 UTSW 8 26,424,516 (GRCm39) missense possibly damaging 0.79
R5314:Kcnu1 UTSW 8 26,352,486 (GRCm39) missense probably damaging 0.97
R5712:Kcnu1 UTSW 8 26,409,678 (GRCm39) missense probably damaging 1.00
R5807:Kcnu1 UTSW 8 26,339,742 (GRCm39) missense possibly damaging 0.78
R6237:Kcnu1 UTSW 8 26,422,362 (GRCm39) missense probably benign
R6260:Kcnu1 UTSW 8 26,341,919 (GRCm39) missense probably damaging 1.00
R6360:Kcnu1 UTSW 8 26,351,208 (GRCm39) missense possibly damaging 0.73
R6612:Kcnu1 UTSW 8 26,408,344 (GRCm39) missense probably benign 0.10
R6708:Kcnu1 UTSW 8 26,427,739 (GRCm39) missense probably benign
R6765:Kcnu1 UTSW 8 26,403,673 (GRCm39) missense probably damaging 1.00
R6816:Kcnu1 UTSW 8 26,427,762 (GRCm39) nonsense probably null
R7030:Kcnu1 UTSW 8 26,408,491 (GRCm39) missense probably benign 0.00
R7202:Kcnu1 UTSW 8 26,409,609 (GRCm39) splice site probably null
R7208:Kcnu1 UTSW 8 26,409,665 (GRCm39) nonsense probably null
R7411:Kcnu1 UTSW 8 26,382,116 (GRCm39) missense probably damaging 1.00
R7520:Kcnu1 UTSW 8 26,375,368 (GRCm39) missense probably damaging 1.00
R7579:Kcnu1 UTSW 8 26,386,686 (GRCm39) missense probably damaging 1.00
R7968:Kcnu1 UTSW 8 26,400,898 (GRCm39) missense probably benign
R8443:Kcnu1 UTSW 8 26,382,092 (GRCm39) missense probably damaging 1.00
R8694:Kcnu1 UTSW 8 26,342,101 (GRCm39) unclassified probably benign
R8730:Kcnu1 UTSW 8 26,403,708 (GRCm39) missense probably damaging 1.00
R9173:Kcnu1 UTSW 8 26,390,074 (GRCm39) critical splice donor site probably null
R9285:Kcnu1 UTSW 8 26,381,611 (GRCm39) missense probably damaging 0.99
R9291:Kcnu1 UTSW 8 26,390,041 (GRCm39) missense probably benign
R9340:Kcnu1 UTSW 8 26,376,786 (GRCm39) missense possibly damaging 0.93
R9470:Kcnu1 UTSW 8 26,409,660 (GRCm39) missense probably benign 0.13
R9556:Kcnu1 UTSW 8 26,348,154 (GRCm39) missense probably damaging 1.00
R9616:Kcnu1 UTSW 8 26,403,675 (GRCm39) frame shift probably null
Z1177:Kcnu1 UTSW 8 26,339,792 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CCAAAAGTGAAGTCCTGGAGGC -3'
(R):5'- GAGGCAAATCCCATTTCTTGG -3'

Sequencing Primer
(F):5'- AGGCAGGCTGACCACTTC -3'
(R):5'- CCAAGACTCACTATTAGTTCGTAAAG -3'
Posted On 2020-07-28