Incidental Mutation 'R8787:Kcnn3'
ID 670688
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 068633-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.514) question?
Stock # R8787 (G1)
Quality Score 225.009
Status Validated
Chromosome 3
Chromosomal Location 89427471-89579801 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 89552757 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 487 (D487G)
Ref Sequence ENSEMBL: ENSMUSP00000000811 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000000811]
AlphaFold P58391
Predicted Effect possibly damaging
Transcript: ENSMUST00000000811
AA Change: D487G

PolyPhen 2 Score 0.927 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000000811
Gene: ENSMUSG00000000794
AA Change: D487G

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 98% (62/63)
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 C T 11: 9,225,053 (GRCm39) H511Y possibly damaging Het
Acp5 G A 9: 22,038,489 (GRCm39) R271* probably null Het
Adamts20 A T 15: 94,184,294 (GRCm39) V1503E possibly damaging Het
Adra2b A T 2: 127,206,417 (GRCm39) E311D probably benign Het
Aldh18a1 T C 19: 40,546,230 (GRCm39) I556V possibly damaging Het
Alox12 C A 11: 70,144,146 (GRCm39) A116S probably benign Het
Alox5 G T 6: 116,390,102 (GRCm39) A552E probably damaging Het
Angpt1 G T 15: 42,375,780 (GRCm39) L159I probably damaging Het
Atp2b4 CTT CTTTTT 1: 133,629,485 (GRCm39) probably benign Het
Bub1b T A 2: 118,462,305 (GRCm39) L726I probably damaging Het
Ccdc78 A T 17: 26,006,807 (GRCm39) T165S probably benign Het
Ccdc88b T C 19: 6,824,791 (GRCm39) D1323G probably damaging Het
Chek1 A T 9: 36,625,033 (GRCm39) C349* probably null Het
Clec1a A T 6: 129,428,617 (GRCm39) L21Q possibly damaging Het
Col1a1 T C 11: 94,833,634 (GRCm39) V445A possibly damaging Het
Efcab7 A G 4: 99,757,791 (GRCm39) T313A probably null Het
Fads1 T A 19: 10,170,325 (GRCm39) Y288* probably null Het
Fgb T A 3: 82,953,969 (GRCm39) T90S probably benign Het
Glg1 C A 8: 111,888,114 (GRCm39) V1026L probably damaging Het
Hadh T A 3: 131,027,825 (GRCm39) Y313F probably damaging Het
Htr4 A G 18: 62,570,853 (GRCm39) I303V possibly damaging Het
L1td1 G A 4: 98,625,814 (GRCm39) V604I probably benign Het
Lao1 A G 4: 118,825,565 (GRCm39) T462A probably damaging Het
Lefty1 C A 1: 180,764,118 (GRCm39) A86E probably damaging Het
Lmx1b T C 2: 33,529,522 (GRCm39) Y79C Het
Lrp2 A G 2: 69,382,745 (GRCm39) C47R probably damaging Het
Mrc2 A T 11: 105,238,465 (GRCm39) N1204I probably benign Het
Ncf1 A C 5: 134,254,145 (GRCm39) Y209* probably null Het
Or14j7 T A 17: 38,235,075 (GRCm39) M206K probably benign Het
Or2ad1 A T 13: 21,326,453 (GRCm39) M258K possibly damaging Het
Or8k33 G A 2: 86,384,297 (GRCm39) T57M probably damaging Het
Oxtr T G 6: 112,466,871 (GRCm39) probably benign Het
Pcdhac1 T C 18: 37,224,942 (GRCm39) V585A probably damaging Het
Pdcd11 T G 19: 47,097,019 (GRCm39) L755R probably damaging Het
Pkhd1 A G 1: 20,358,461 (GRCm39) V2705A probably damaging Het
Plch2 C A 4: 155,070,875 (GRCm39) G1168V probably benign Het
Prpf39 T C 12: 65,089,555 (GRCm39) Y98H possibly damaging Het
R3hdm2 T G 10: 127,293,521 (GRCm39) S142A probably damaging Het
Rassf10 T A 7: 112,554,738 (GRCm39) D446E probably benign Het
Rgs13 T C 1: 144,016,482 (GRCm39) Y87C probably damaging Het
Serpinb9h G A 13: 33,588,204 (GRCm39) R263H probably benign Het
Smpd3 G A 8: 106,982,377 (GRCm39) R576C probably damaging Het
Spata31e1 T C 13: 49,938,704 (GRCm39) Y1002C probably damaging Het
Srsf11 A T 3: 157,718,037 (GRCm39) D382E unknown Het
Stpg1 T A 4: 135,261,108 (GRCm39) M306K probably benign Het
Svil C T 18: 5,059,332 (GRCm39) Q696* probably null Het
Syna C T 5: 134,588,723 (GRCm39) M75I probably benign Het
Synj2 T C 17: 6,036,514 (GRCm39) F161S possibly damaging Het
Tek T C 4: 94,738,037 (GRCm39) Y696H probably damaging Het
Tgfbr1 A T 4: 47,405,555 (GRCm39) D386V possibly damaging Het
Tgm4 G T 9: 122,890,910 (GRCm39) G503V probably damaging Het
Tnni3k T C 3: 154,645,691 (GRCm39) E461G probably damaging Het
Tom1l1 A T 11: 90,561,931 (GRCm39) H232Q probably benign Het
Ubqln5 T C 7: 103,778,329 (GRCm39) N165S probably benign Het
Vmn1r24 G A 6: 57,932,958 (GRCm39) L187F probably benign Het
Vmn2r82 C T 10: 79,213,894 (GRCm39) T160I probably damaging Het
Vmn2r96 G T 17: 18,818,250 (GRCm39) G801V probably damaging Het
Vps39 A G 2: 120,172,506 (GRCm39) S176P probably damaging Het
Vsig10 C A 5: 117,472,981 (GRCm39) H191Q probably benign Het
Wtap G A 17: 13,186,488 (GRCm39) S353L possibly damaging Het
Zmym4 T G 4: 126,816,953 (GRCm39) R248S probably benign Het
Zscan10 A G 17: 23,829,011 (GRCm39) S518G probably benign Het
Zscan29 A T 2: 120,996,876 (GRCm39) Y282N 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
R4227:Kcnn3 UTSW 3 89,428,482 (GRCm39) missense possibly damaging 0.94
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
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'- TTTGCCTTTGGGACTCAGC -3'
(R):5'- ATGAGTGCCTAGTGACCAGC -3'

Sequencing Primer
(F):5'- TTTGGGACTCAGCGACTGCAG -3'
(R):5'- CCAGGAAGGCCCCTCTG -3'
Posted On 2021-04-30