Incidental Mutation 'R1995:Kcnb2'
ID 225647
Institutional Source Beutler Lab
Gene Symbol Kcnb2
Ensembl Gene ENSMUSG00000092083
Gene Name potassium voltage gated channel, Shab-related subfamily, member 2
Synonyms Kv2.2, 9630047L19Rik
MMRRC Submission 040005-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1995 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 15357478-15793974 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 15779990 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Lysine at position 287 (N287K)
Ref Sequence ENSEMBL: ENSMUSP00000135382 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000170146] [ENSMUST00000175681]
AlphaFold A6H8H5
Predicted Effect possibly damaging
Transcript: ENSMUST00000170146
AA Change: N287K

PolyPhen 2 Score 0.658 (Sensitivity: 0.87; Specificity: 0.91)
Predicted Effect possibly damaging
Transcript: ENSMUST00000175681
AA Change: N287K

PolyPhen 2 Score 0.658 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000135382
Gene: ENSMUSG00000092083
AA Change: N287K

DomainStartEndE-ValueType
BTB 35 144 2.59e-14 SMART
low complexity region 150 166 N/A INTRINSIC
Pfam:Ion_trans 192 428 1.7e-51 PFAM
Pfam:Ion_trans_2 336 422 2.5e-13 PFAM
Pfam:Kv2channel 471 755 7.7e-149 PFAM
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.7%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Voltage-gated potassium (Kv) channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, insulin secretion, neuronal excitability, epithelial electrolyte transport, smooth muscle contraction, and cell volume. Four sequence-related potassium channel genes - shaker, shaw, shab, and shal - have been identified in Drosophila, and each has been shown to have human homolog(s). This gene encodes a member of the potassium channel, voltage-gated, shab-related subfamily. This member is a delayed rectifier potassium channel. The gene is expressed in gastrointestinal smooth muscle cells. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a targeted mutation exhibit neurological abnormalities when compared with controls, including an abnormal sleep/wake cycle, decreased exploratory and locomotor activity, and a motor strength deficit. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agtpbp1 T G 13: 59,678,872 (GRCm39) K145N probably damaging Het
AY358078 T A 14: 52,063,519 (GRCm39) D388E probably damaging Het
Btbd9 A G 17: 30,493,904 (GRCm39) Y496H possibly damaging Het
Catsperb T A 12: 101,569,026 (GRCm39) N899K possibly damaging Het
Cenpl T C 1: 160,905,994 (GRCm39) S123P probably damaging Het
Cep120 G A 18: 53,873,208 (GRCm39) T41I probably damaging Het
Cep295 C T 9: 15,252,179 (GRCm39) E397K probably damaging Het
Cnbd1 G A 4: 19,055,112 (GRCm39) P105S possibly damaging Het
Col6a1 T C 10: 76,557,790 (GRCm39) N149D probably damaging Het
Ctnna3 T A 10: 63,656,143 (GRCm39) V241D probably damaging Het
Dcbld2 A C 16: 58,276,695 (GRCm39) E495D probably benign Het
Dmp1 T G 5: 104,357,779 (GRCm39) S40A possibly damaging Het
Dpysl4 A G 7: 138,676,686 (GRCm39) I379V probably benign Het
Eral1 C T 11: 77,965,315 (GRCm39) G367S probably benign Het
Fah C T 7: 84,251,389 (GRCm39) R31Q probably damaging Het
Fbn1 T A 2: 125,192,293 (GRCm39) probably null Het
Fbxo40 T C 16: 36,790,231 (GRCm39) D293G probably damaging Het
Gemin6 A C 17: 80,535,414 (GRCm39) T125P probably damaging Het
Gpbar1 G A 1: 74,318,603 (GRCm39) G282D possibly damaging Het
Gria2 G A 3: 80,709,664 (GRCm39) L10F probably benign Het
Gucy1b1 A G 3: 81,942,160 (GRCm39) I533T probably damaging Het
H2-M9 A T 17: 36,952,678 (GRCm39) Y123N probably damaging Het
Hipk2 C A 6: 38,692,909 (GRCm39) D868Y probably damaging Het
Itprid1 T C 6: 55,945,694 (GRCm39) I805T probably benign Het
Jarid2 T C 13: 45,027,917 (GRCm39) L123P probably damaging Het
Kdm8 G A 7: 125,051,511 (GRCm39) G35S probably benign Het
Kirrel1 G T 3: 87,003,093 (GRCm39) A100D possibly damaging Het
Ltbp2 T G 12: 84,855,220 (GRCm39) probably null Het
Mfsd12 C A 10: 81,193,515 (GRCm39) H28Q probably damaging Het
Neb C T 2: 52,188,744 (GRCm39) V837M probably damaging Het
Nkain2 A G 10: 32,278,347 (GRCm39) I26T possibly damaging Het
Nuggc A G 14: 65,848,623 (GRCm39) R175G probably benign Het
Or10ag57 T G 2: 87,218,175 (GRCm39) I42R probably damaging Het
Or5ac23 A G 16: 59,149,654 (GRCm39) S73P probably damaging Het
Or5d35 T A 2: 87,856,016 (GRCm39) S317T probably benign Het
Or8g52 T C 9: 39,630,709 (GRCm39) F62S probably damaging Het
Pcnt G A 10: 76,228,633 (GRCm39) Q1511* probably null Het
Piezo2 G T 18: 63,211,852 (GRCm39) T1311K probably damaging Het
Pik3c2a T C 7: 115,953,241 (GRCm39) Y1218C probably damaging Het
Pik3r4 T A 9: 105,546,364 (GRCm39) S905T probably benign Het
Pikfyve T A 1: 65,285,867 (GRCm39) D1035E probably damaging Het
Pkn3 G C 2: 29,979,989 (GRCm39) G744A probably damaging Het
Pms1 A G 1: 53,234,174 (GRCm39) S781P probably benign Het
Pogz C T 3: 94,785,255 (GRCm39) R793W probably damaging Het
Prrc2a A T 17: 35,376,405 (GRCm39) V795D probably damaging Het
Rock1 G A 18: 10,101,026 (GRCm39) R630* probably null Het
Scd4 T A 19: 44,322,617 (GRCm39) I70N possibly damaging Het
Serpine2 A G 1: 79,799,159 (GRCm39) S32P probably damaging Het
Slc9c1 A C 16: 45,374,618 (GRCm39) T328P probably damaging Het
Spata31d1b G C 13: 59,864,194 (GRCm39) L447F probably benign Het
Speer2 A G 16: 69,654,965 (GRCm39) S167P probably benign Het
Sphkap G A 1: 83,255,236 (GRCm39) R838* probably null Het
Tbcel C A 9: 42,362,957 (GRCm39) G29W probably damaging Het
Tmcc3 T C 10: 94,414,468 (GRCm39) S57P possibly damaging Het
Tmem240 T A 4: 155,824,304 (GRCm39) D125E possibly damaging Het
Ttll7 G A 3: 146,667,510 (GRCm39) C792Y possibly damaging Het
Vmn1r177 T A 7: 23,565,112 (GRCm39) I255F probably damaging Het
Zp2 T A 7: 119,734,388 (GRCm39) I554F probably damaging Het
Other mutations in Kcnb2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00425:Kcnb2 APN 1 15,781,236 (GRCm39) missense probably benign 0.02
IGL01321:Kcnb2 APN 1 15,383,147 (GRCm39) missense probably benign 0.09
IGL01353:Kcnb2 APN 1 15,781,048 (GRCm39) missense probably benign 0.02
IGL01990:Kcnb2 APN 1 15,383,178 (GRCm39) missense probably benign 0.19
IGL02008:Kcnb2 APN 1 15,781,033 (GRCm39) missense probably benign 0.00
IGL02120:Kcnb2 APN 1 15,780,085 (GRCm39) missense probably damaging 0.98
IGL02370:Kcnb2 APN 1 15,781,159 (GRCm39) missense probably benign
IGL02526:Kcnb2 APN 1 15,780,979 (GRCm39) missense probably damaging 1.00
IGL02859:Kcnb2 APN 1 15,780,730 (GRCm39) missense probably damaging 1.00
IGL03039:Kcnb2 APN 1 15,781,435 (GRCm39) missense probably benign
IGL03144:Kcnb2 APN 1 15,780,112 (GRCm39) missense probably damaging 1.00
F5770:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
PIT4131001:Kcnb2 UTSW 1 15,383,200 (GRCm39) missense possibly damaging 0.92
R0266:Kcnb2 UTSW 1 15,783,137 (GRCm39) unclassified probably benign
R0538:Kcnb2 UTSW 1 15,783,108 (GRCm39) unclassified probably benign
R0611:Kcnb2 UTSW 1 15,780,664 (GRCm39) missense probably benign 0.07
R1542:Kcnb2 UTSW 1 15,781,012 (GRCm39) missense probably benign 0.01
R1732:Kcnb2 UTSW 1 15,779,979 (GRCm39) missense probably benign 0.02
R2166:Kcnb2 UTSW 1 15,781,540 (GRCm39) missense possibly damaging 0.82
R2444:Kcnb2 UTSW 1 15,779,791 (GRCm39) missense probably benign
R3025:Kcnb2 UTSW 1 15,781,059 (GRCm39) missense possibly damaging 0.87
R3886:Kcnb2 UTSW 1 15,780,639 (GRCm39) missense probably damaging 1.00
R5010:Kcnb2 UTSW 1 15,383,186 (GRCm39) missense probably benign 0.09
R5039:Kcnb2 UTSW 1 15,779,724 (GRCm39) missense probably damaging 1.00
R5096:Kcnb2 UTSW 1 15,781,068 (GRCm39) missense probably benign 0.45
R5444:Kcnb2 UTSW 1 15,781,716 (GRCm39) missense probably benign
R5926:Kcnb2 UTSW 1 15,383,235 (GRCm39) missense probably benign 0.01
R6010:Kcnb2 UTSW 1 15,780,790 (GRCm39) missense possibly damaging 0.85
R6371:Kcnb2 UTSW 1 15,781,436 (GRCm39) missense probably benign
R6724:Kcnb2 UTSW 1 15,780,664 (GRCm39) missense probably damaging 1.00
R6981:Kcnb2 UTSW 1 15,780,480 (GRCm39) missense probably damaging 1.00
R7043:Kcnb2 UTSW 1 15,383,150 (GRCm39) missense probably benign
R7352:Kcnb2 UTSW 1 15,780,835 (GRCm39) missense probably benign
R7419:Kcnb2 UTSW 1 15,781,251 (GRCm39) missense possibly damaging 0.94
R7425:Kcnb2 UTSW 1 15,780,031 (GRCm39) missense probably damaging 1.00
R7606:Kcnb2 UTSW 1 15,383,064 (GRCm39) missense probably damaging 1.00
R7978:Kcnb2 UTSW 1 15,780,837 (GRCm39) missense probably benign 0.15
R7983:Kcnb2 UTSW 1 15,383,004 (GRCm39) missense probably damaging 0.98
R8115:Kcnb2 UTSW 1 15,781,851 (GRCm39) makesense probably null
R8156:Kcnb2 UTSW 1 15,780,280 (GRCm39) missense probably damaging 1.00
R8408:Kcnb2 UTSW 1 15,781,777 (GRCm39) missense probably damaging 1.00
R8439:Kcnb2 UTSW 1 15,382,934 (GRCm39) missense probably damaging 1.00
R8726:Kcnb2 UTSW 1 15,780,876 (GRCm39) missense probably benign 0.00
R8738:Kcnb2 UTSW 1 15,780,648 (GRCm39) missense probably benign 0.07
R9274:Kcnb2 UTSW 1 15,781,723 (GRCm39) missense probably benign
R9321:Kcnb2 UTSW 1 15,779,793 (GRCm39) missense possibly damaging 0.46
R9563:Kcnb2 UTSW 1 15,779,737 (GRCm39) missense probably damaging 1.00
R9633:Kcnb2 UTSW 1 15,781,444 (GRCm39) missense probably benign
R9709:Kcnb2 UTSW 1 15,780,523 (GRCm39) missense probably benign 0.31
V7580:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
V7581:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
V7582:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
V7583:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.07
Z1088:Kcnb2 UTSW 1 15,781,252 (GRCm39) missense probably benign 0.01
Z1088:Kcnb2 UTSW 1 15,780,315 (GRCm39) missense probably benign 0.03
Z1177:Kcnb2 UTSW 1 15,781,182 (GRCm39) missense possibly damaging 0.93
Predicted Primers PCR Primer
(F):5'- TCCAGAGCTGCAAGAAAACG -3'
(R):5'- GAAAATATCATTATCCCCATGGCCAG -3'

Sequencing Primer
(F):5'- ACGACGAGTTTGGGCAAC -3'
(R):5'- CTGGCGAGTTTCAGTATC -3'
Posted On 2014-08-25