Incidental Mutation 'R2434:Kcnn1'
ID 250526
Institutional Source Beutler Lab
Gene Symbol Kcnn1
Ensembl Gene ENSMUSG00000002908
Gene Name potassium intermediate/small conductance calcium-activated channel, subfamily N, member 1
Synonyms SK1
MMRRC Submission 040395-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2434 (G1)
Quality Score 104
Status Not validated
Chromosome 8
Chromosomal Location 71294693-71315902 bp(-) (GRCm39)
Type of Mutation small deletion (1 aa in frame mutation)
DNA Base Change (assembly) GTCCTCCTCCTCCTCCTCCTC to GTCCTCCTCCTCCTCCTC at 71307810 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000148544 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000110078] [ENSMUST00000110081] [ENSMUST00000212086] [ENSMUST00000212243] [ENSMUST00000212414] [ENSMUST00000212509] [ENSMUST00000212611]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000110078
SMART Domains Protein: ENSMUSP00000105705
Gene: ENSMUSG00000002908

DomainStartEndE-ValueType
low complexity region 63 76 N/A INTRINSIC
Pfam:SK_channel 90 208 3.7e-59 PFAM
low complexity region 234 245 N/A INTRINSIC
Pfam:Ion_trans_2 275 369 9.6e-16 PFAM
CaMBD 382 461 1.99e-46 SMART
low complexity region 467 487 N/A INTRINSIC
low complexity region 507 516 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000110081
SMART Domains Protein: ENSMUSP00000105708
Gene: ENSMUSG00000002908

DomainStartEndE-ValueType
low complexity region 63 76 N/A INTRINSIC
Pfam:SK_channel 90 203 4.9e-51 PFAM
low complexity region 234 245 N/A INTRINSIC
Pfam:Ion_trans_2 274 368 1.7e-15 PFAM
CaMBD 382 462 3.71e-46 SMART
low complexity region 468 488 N/A INTRINSIC
low complexity region 508 517 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000212084
Predicted Effect probably benign
Transcript: ENSMUST00000212086
Predicted Effect probably benign
Transcript: ENSMUST00000212243
Predicted Effect probably benign
Transcript: ENSMUST00000212414
Predicted Effect probably benign
Transcript: ENSMUST00000212509
Predicted Effect probably benign
Transcript: ENSMUST00000212611
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.0%
Validation Efficiency
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. The protein encoded by this gene is activated before membrane hyperpolarization and is thought to regulate neuronal excitability by contributing to the slow component of synaptic AHP. The encoded protein is an integral membrane protein that forms a voltage-independent calcium-activated channel with three other calmodulin-binding subunits. This gene is a member of the KCNN family of potassium channel genes. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null mice display normal hippocampal morphology and afterhyperpolarization currents. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 32 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agbl5 A G 5: 31,051,357 (GRCm39) Q493R probably damaging Het
Ank3 T C 10: 69,837,948 (GRCm39) V785A probably damaging Het
Capsl A T 15: 9,462,795 (GRCm39) H145L probably damaging Het
Carns1 A C 19: 4,215,448 (GRCm39) C911W probably damaging Het
Celsr2 A C 3: 108,311,795 (GRCm39) F1351V probably damaging Het
Cpne8 T C 15: 90,393,714 (GRCm39) I432V probably benign Het
Cpxm1 A T 2: 130,236,004 (GRCm39) I386N probably damaging Het
E2f5 T A 3: 14,644,074 (GRCm39) D65E probably damaging Het
Eif3a T C 19: 60,752,488 (GRCm39) probably benign Het
Fcrl2 A G 3: 87,164,005 (GRCm39) Y375H probably damaging Het
Fip1l1 C A 5: 74,707,485 (GRCm39) T196K possibly damaging Het
Fmo6 A T 1: 162,744,439 (GRCm39) N484K probably benign Het
Foxred1 G T 9: 35,116,954 (GRCm39) D345E probably damaging Het
Gbe1 T A 16: 70,238,100 (GRCm39) N295K probably damaging Het
Gipc2 T A 3: 151,843,317 (GRCm39) I107L probably benign Het
Lgr5 T A 10: 115,423,311 (GRCm39) I30L probably benign Het
Nbea A T 3: 55,554,881 (GRCm39) V2589E possibly damaging Het
Ncam2 A T 16: 81,392,113 (GRCm39) N699I probably benign Het
Nlrp1b T C 11: 71,047,552 (GRCm39) probably null Het
Or11l3 A G 11: 58,515,937 (GRCm39) Y312H possibly damaging Het
Rnasel T C 1: 153,630,396 (GRCm39) V304A probably damaging Het
Serinc4 C T 2: 121,286,186 (GRCm39) R134H probably benign Het
Sim1 T A 10: 50,784,054 (GRCm39) Y103N probably damaging Het
Slc47a1 A T 11: 61,258,548 (GRCm39) probably null Het
Slc6a6 T A 6: 91,712,193 (GRCm39) S241T probably benign Het
Son G T 16: 91,451,575 (GRCm39) K107N probably damaging Het
St3gal6 T C 16: 58,291,015 (GRCm39) T329A probably damaging Het
Stab2 G A 10: 86,805,183 (GRCm39) P265L possibly damaging Het
Tmem199 G A 11: 78,400,570 (GRCm39) T119I probably damaging Het
Ttc14 A G 3: 33,855,227 (GRCm39) D125G probably benign Het
Vmn1r205 T A 13: 22,776,524 (GRCm39) M193L probably benign Het
Vmn2r-ps158 A G 7: 42,696,881 (GRCm39) Y646C probably damaging Het
Other mutations in Kcnn1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00492:Kcnn1 APN 8 71,300,706 (GRCm39) missense probably benign
IGL00498:Kcnn1 APN 8 71,305,524 (GRCm39) missense probably damaging 1.00
IGL00792:Kcnn1 APN 8 71,307,360 (GRCm39) missense probably benign 0.01
IGL03122:Kcnn1 APN 8 71,307,724 (GRCm39) missense probably damaging 1.00
IGL03137:Kcnn1 APN 8 71,303,381 (GRCm39) missense probably damaging 0.97
IGL03222:Kcnn1 APN 8 71,300,843 (GRCm39) missense probably damaging 1.00
IGL03226:Kcnn1 APN 8 71,299,135 (GRCm39) splice site probably benign
R0586:Kcnn1 UTSW 8 71,316,513 (GRCm39) unclassified probably benign
R1218:Kcnn1 UTSW 8 71,305,332 (GRCm39) missense probably benign 0.07
R1437:Kcnn1 UTSW 8 71,297,195 (GRCm39) missense probably benign 0.03
R1510:Kcnn1 UTSW 8 71,316,714 (GRCm39) unclassified probably benign
R2860:Kcnn1 UTSW 8 71,299,179 (GRCm39) missense probably benign 0.36
R2861:Kcnn1 UTSW 8 71,299,179 (GRCm39) missense probably benign 0.36
R4327:Kcnn1 UTSW 8 71,305,307 (GRCm39) missense probably damaging 0.99
R4807:Kcnn1 UTSW 8 71,300,822 (GRCm39) missense probably damaging 0.99
R4947:Kcnn1 UTSW 8 71,297,073 (GRCm39) missense probably benign 0.02
R5265:Kcnn1 UTSW 8 71,307,297 (GRCm39) missense probably benign 0.07
R5685:Kcnn1 UTSW 8 71,305,374 (GRCm39) missense probably damaging 1.00
R6108:Kcnn1 UTSW 8 71,307,800 (GRCm39) missense probably benign 0.27
R6523:Kcnn1 UTSW 8 71,299,169 (GRCm39) missense possibly damaging 0.57
R7512:Kcnn1 UTSW 8 71,307,293 (GRCm39) missense possibly damaging 0.64
R8219:Kcnn1 UTSW 8 71,305,499 (GRCm39) missense probably damaging 1.00
R8310:Kcnn1 UTSW 8 71,305,449 (GRCm39) missense possibly damaging 0.83
R8809:Kcnn1 UTSW 8 71,305,297 (GRCm39) critical splice donor site probably null
R9084:Kcnn1 UTSW 8 71,307,810 (GRCm39) small deletion probably benign
R9308:Kcnn1 UTSW 8 71,305,434 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ATGCCTACCTTGGTGTATACAC -3'
(R):5'- TGAGTAGCCACAGCCACAATG -3'

Sequencing Primer
(F):5'- GTGTATACACCCCAGGACAG -3'
(R):5'- CACAATGGCAGCGTGGG -3'
Posted On 2014-11-12