Incidental Mutation 'R4227:Kcnn3'
ID 320073
Institutional Source Beutler Lab
Gene Symbol Kcnn3
Ensembl Gene ENSMUSG00000000794
Gene Name potassium intermediate/small conductance calcium-activated channel, subfamily N, member 3
Synonyms SK3, small conductance calcium-activated potassium channel 3
MMRRC Submission 041047-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.586) question?
Stock # R4227 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 89427471-89579801 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 89428482 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Proline at position 236 (H236P)
Ref Sequence ENSEMBL: ENSMUSP00000000811 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000000811]
AlphaFold P58391
Predicted Effect possibly damaging
Transcript: ENSMUST00000000811
AA Change: H236P

PolyPhen 2 Score 0.939 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000000811
Gene: ENSMUSG00000000794
AA Change: H236P

DomainStartEndE-ValueType
low complexity region 30 96 N/A INTRINSIC
low complexity region 139 154 N/A INTRINSIC
low complexity region 213 224 N/A INTRINSIC
Pfam:SK_channel 270 383 3.1e-51 PFAM
Pfam:Ion_trans_2 462 548 2.2e-14 PFAM
CaMBD 562 638 1.04e-49 SMART
low complexity region 684 690 N/A INTRINSIC
low complexity region 718 731 N/A INTRINSIC
Meta Mutation Damage Score 0.0876 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.8%
Validation Efficiency 97% (56/58)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Action potentials in vertebrate neurons are followed by an afterhyperpolarization (AHP) that may persist for several seconds and may have profound consequences for the firing pattern of the neuron. Each component of the AHP is kinetically distinct and is mediated by different calcium-activated potassium channels. This gene belongs to the KCNN family of potassium channels. It encodes an integral membrane protein that forms a voltage-independent calcium-activated channel, which is thought to regulate neuronal excitability by contributing to the slow component of synaptic AHP. This gene contains two CAG repeat regions in the coding sequence. It was thought that expansion of one or both of these repeats could lead to an increased susceptibility to schizophrenia or bipolar disorder, but studies indicate that this is probably not the case. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Feb 2011]
PHENOTYPE: Mice homozygous for an insertion of a tetracycline-regulated gene switch display no overt phenotype when expression is abolished by doxycycline treatment; in contrast, untreated homozygotes show abnormal respiratory responses to hypoxia, impaired parturition, and pregnancy-related premature death. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb11 T C 2: 69,115,120 (GRCm39) T609A probably damaging Het
Agbl2 T G 2: 90,631,797 (GRCm39) L385R probably damaging Het
Arfgef2 A T 2: 166,709,244 (GRCm39) D1107V probably damaging Het
Arhgef5 C T 6: 43,256,432 (GRCm39) A1180V probably damaging Het
B9d1 C G 11: 61,403,483 (GRCm39) R160G probably damaging Het
Birc6 T C 17: 74,926,835 (GRCm39) probably null Het
Capn11 A G 17: 45,953,392 (GRCm39) probably null Het
Ceacam12 G T 7: 17,805,678 (GRCm39) M288I probably benign Het
Cfhr3 T A 1: 139,536,046 (GRCm39) noncoding transcript Het
Copa A G 1: 171,945,682 (GRCm39) probably benign Het
Cypt4 A G 9: 24,536,788 (GRCm39) M93V probably benign Het
Fat3 G A 9: 16,288,989 (GRCm39) T178I probably damaging Het
Gm15931 A G 7: 4,277,793 (GRCm39) noncoding transcript Het
Gm9871 A G 6: 101,773,654 (GRCm39) noncoding transcript Het
Gpsm1 T C 2: 26,229,638 (GRCm39) probably benign Het
Grhl1 A G 12: 24,661,850 (GRCm39) T510A probably benign Het
Kif21b T A 1: 136,081,831 (GRCm39) probably null Het
Lcn3 G T 2: 25,656,123 (GRCm39) M59I probably benign Het
Mrps27 C G 13: 99,547,848 (GRCm39) P253A probably damaging Het
Mug2 A T 6: 122,017,691 (GRCm39) D476V probably benign Het
Naca A T 10: 127,877,530 (GRCm39) probably benign Het
Naip5 A G 13: 100,349,276 (GRCm39) S1351P probably damaging Het
Odf2 A G 2: 29,791,296 (GRCm39) probably benign Het
Or2a56 A G 6: 42,932,648 (GRCm39) Y72C possibly damaging Het
Or4g17 A G 2: 111,209,410 (GRCm39) K22E probably benign Het
Or52ab7 A T 7: 102,978,026 (GRCm39) H111L probably damaging Het
Or5w18 T A 2: 87,633,219 (GRCm39) I162N probably damaging Het
P3h2 G T 16: 25,924,203 (GRCm39) D77E probably benign Het
Pcbp2 A G 15: 102,387,066 (GRCm39) M87V probably benign Het
Plekhg6 A G 6: 125,355,768 (GRCm39) L12P probably damaging Het
Plekhh2 A G 17: 84,874,223 (GRCm39) T503A probably benign Het
Pnpla3 C A 15: 84,063,391 (GRCm39) N256K probably benign Het
Polh A G 17: 46,483,520 (GRCm39) S582P probably benign Het
Ptprb T C 10: 116,138,130 (GRCm39) Y345H possibly damaging Het
Rasl11b T A 5: 74,358,852 (GRCm39) I119N probably damaging Het
Rnaseh2a G A 8: 85,686,702 (GRCm39) T149I possibly damaging Het
Serpina10 A G 12: 103,594,674 (GRCm39) Y182H probably damaging Het
Serpina1d A G 12: 103,733,740 (GRCm39) V188A probably benign Het
Setd1a C A 7: 127,395,819 (GRCm39) probably benign Het
Slc17a8 T C 10: 89,434,575 (GRCm39) N184S probably damaging Het
Spen C T 4: 141,249,458 (GRCm39) S110N unknown Het
Tas1r1 T C 4: 152,112,729 (GRCm39) I775V probably damaging Het
Tktl2 A G 8: 66,966,351 (GRCm39) probably null Het
Tmem181a T A 17: 6,346,061 (GRCm39) L185H probably damaging Het
Tmprss6 C T 15: 78,330,899 (GRCm39) V43M probably damaging Het
Try5 A G 6: 41,290,401 (GRCm39) Y28H possibly damaging Het
Urad A T 5: 147,252,100 (GRCm39) F117L probably damaging Het
Vegfc A G 8: 54,612,445 (GRCm39) Y156C probably damaging Het
Vmn2r45 A T 7: 8,486,277 (GRCm39) V337E probably damaging Het
Vmn2r6 A T 3: 64,445,369 (GRCm39) F696L probably damaging Het
Wnk2 C T 13: 49,244,313 (GRCm39) D508N probably damaging Het
Zfp131 T C 13: 120,228,282 (GRCm39) D455G probably damaging Het
Other mutations in Kcnn3
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02263:Kcnn3 APN 3 89,568,525 (GRCm39) missense possibly damaging 0.73
IGL02444:Kcnn3 APN 3 89,559,359 (GRCm39) missense possibly damaging 0.50
IGL02500:Kcnn3 APN 3 89,568,419 (GRCm39) splice site probably benign
IGL02814:Kcnn3 APN 3 89,428,482 (GRCm39) missense possibly damaging 0.94
IGL02821:Kcnn3 APN 3 89,428,281 (GRCm39) missense possibly damaging 0.91
IGL02821:Kcnn3 APN 3 89,570,029 (GRCm39) missense possibly damaging 0.84
IGL02852:Kcnn3 APN 3 89,516,923 (GRCm39) missense probably damaging 0.96
IGL02942:Kcnn3 APN 3 89,559,383 (GRCm39) missense probably benign 0.00
IGL03118:Kcnn3 APN 3 89,574,468 (GRCm39) missense probably damaging 1.00
R0015:Kcnn3 UTSW 3 89,570,080 (GRCm39) missense probably damaging 1.00
R0015:Kcnn3 UTSW 3 89,570,080 (GRCm39) missense probably damaging 1.00
R0032:Kcnn3 UTSW 3 89,427,972 (GRCm39) small deletion probably benign
R0370:Kcnn3 UTSW 3 89,574,399 (GRCm39) missense probably damaging 0.98
R0619:Kcnn3 UTSW 3 89,559,337 (GRCm39) missense probably damaging 1.00
R1167:Kcnn3 UTSW 3 89,472,259 (GRCm39) nonsense probably null
R1255:Kcnn3 UTSW 3 89,559,416 (GRCm39) missense possibly damaging 0.84
R1643:Kcnn3 UTSW 3 89,427,804 (GRCm39) missense unknown
R1733:Kcnn3 UTSW 3 89,559,397 (GRCm39) missense probably benign 0.00
R1793:Kcnn3 UTSW 3 89,516,712 (GRCm39) missense probably benign 0.20
R1827:Kcnn3 UTSW 3 89,428,301 (GRCm39) missense possibly damaging 0.75
R1899:Kcnn3 UTSW 3 89,427,762 (GRCm39) start gained probably benign
R2055:Kcnn3 UTSW 3 89,428,682 (GRCm39) missense probably damaging 1.00
R2843:Kcnn3 UTSW 3 89,427,972 (GRCm39) small deletion probably benign
R2922:Kcnn3 UTSW 3 89,428,329 (GRCm39) missense probably damaging 1.00
R4078:Kcnn3 UTSW 3 89,568,495 (GRCm39) missense possibly damaging 0.68
R4604:Kcnn3 UTSW 3 89,427,727 (GRCm39) start gained probably benign
R4814:Kcnn3 UTSW 3 89,570,031 (GRCm39) missense probably damaging 1.00
R4822:Kcnn3 UTSW 3 89,574,596 (GRCm39) missense possibly damaging 0.93
R5175:Kcnn3 UTSW 3 89,516,746 (GRCm39) missense probably damaging 1.00
R5211:Kcnn3 UTSW 3 89,428,538 (GRCm39) missense probably benign 0.04
R5438:Kcnn3 UTSW 3 89,428,605 (GRCm39) missense probably damaging 1.00
R5496:Kcnn3 UTSW 3 89,516,797 (GRCm39) missense possibly damaging 0.95
R6244:Kcnn3 UTSW 3 89,552,830 (GRCm39) nonsense probably null
R7391:Kcnn3 UTSW 3 89,516,778 (GRCm39) missense probably benign 0.34
R7625:Kcnn3 UTSW 3 89,516,977 (GRCm39) missense probably damaging 0.99
R7834:Kcnn3 UTSW 3 89,428,661 (GRCm39) missense probably damaging 1.00
R8022:Kcnn3 UTSW 3 89,517,010 (GRCm39) missense possibly damaging 0.92
R8110:Kcnn3 UTSW 3 89,568,540 (GRCm39) missense probably damaging 0.99
R8220:Kcnn3 UTSW 3 89,568,548 (GRCm39) missense probably benign 0.14
R8787:Kcnn3 UTSW 3 89,552,757 (GRCm39) missense possibly damaging 0.93
R9124:Kcnn3 UTSW 3 89,428,536 (GRCm39) missense possibly damaging 0.47
R9256:Kcnn3 UTSW 3 89,574,407 (GRCm39) missense probably damaging 1.00
R9612:Kcnn3 UTSW 3 89,516,703 (GRCm39) missense probably benign 0.09
Z1088:Kcnn3 UTSW 3 89,574,437 (GRCm39) missense probably damaging 1.00
Z1177:Kcnn3 UTSW 3 89,568,443 (GRCm39) missense possibly damaging 0.72
Z1177:Kcnn3 UTSW 3 89,428,230 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AATACAGCGGTGGGGTCATG -3'
(R):5'- TCCCTACCTTTGAGTACAAACC -3'

Sequencing Primer
(F):5'- GTCATGAAGCCCCTCAGC -3'
(R):5'- GACAGTTCGGTCTCTATCACCATAAC -3'
Posted On 2015-06-12