Incidental Mutation 'R6015:Tpcn2'
ID 478563
Institutional Source Beutler Lab
Gene Symbol Tpcn2
Ensembl Gene ENSMUSG00000048677
Gene Name two pore segment channel 2
Synonyms D830047E22Rik
MMRRC Submission 043254-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6015 (G1)
Quality Score 225.009
Status Not validated
Chromosome 7
Chromosomal Location 144740261-144837748 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 144820588 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 341 (V341A)
Ref Sequence ENSEMBL: ENSMUSP00000146538 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000058022] [ENSMUST00000208148] [ENSMUST00000208328] [ENSMUST00000208841] [ENSMUST00000209047]
AlphaFold Q8BWC0
Predicted Effect probably damaging
Transcript: ENSMUST00000058022
AA Change: V341A

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000061308
Gene: ENSMUSG00000048677
AA Change: V341A

DomainStartEndE-ValueType
Pfam:Ion_trans 67 302 5.1e-24 PFAM
Pfam:Ion_trans 415 683 1.5e-29 PFAM
low complexity region 709 729 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000208148
AA Change: V317A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Predicted Effect noncoding transcript
Transcript: ENSMUST00000208281
Predicted Effect probably damaging
Transcript: ENSMUST00000208328
AA Change: V341A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
Predicted Effect probably damaging
Transcript: ENSMUST00000208841
AA Change: V341A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Predicted Effect probably damaging
Transcript: ENSMUST00000209047
AA Change: V341A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.3%
  • 20x: 95.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a putative cation-selective ion channel with two repeats of a six-transmembrane-domain. The protein localizes to lysosomal membranes and enables nicotinic acid adenine dinucleotide phosphate (NAADP) -induced calcium ion release from lysosome-related stores. This ubiquitously expressed gene has elevated expression in liver and kidney. Two common nonsynonymous SNPs in this gene strongly associate with blond versus brown hair pigmentation.[provided by RefSeq, Dec 2009]
PHENOTYPE: Mice homozygous for a gene trapped allele exhibit altered beta cell calcium ion physiology. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ano5 A C 7: 51,224,525 (GRCm39) S480R probably benign Het
Aqr A G 2: 114,005,646 (GRCm39) M1T probably null Het
Arhgef28 A G 13: 98,211,530 (GRCm39) V151A possibly damaging Het
Atp6v1b2 T A 8: 69,555,148 (GRCm39) I170N probably damaging Het
Atxn2 T A 5: 121,949,055 (GRCm39) V817D probably damaging Het
Cdh23 A C 10: 60,143,761 (GRCm39) I2950S probably damaging Het
Ces1h A G 8: 94,083,691 (GRCm39) L417P unknown Het
Cimap3 T C 3: 105,906,937 (GRCm39) D154G possibly damaging Het
Csf1r A G 18: 61,242,784 (GRCm39) E49G possibly damaging Het
Eml2 G A 7: 18,935,088 (GRCm39) V432I probably damaging Het
Fat3 A G 9: 16,287,346 (GRCm39) S726P possibly damaging Het
Grik2 A T 10: 49,399,959 (GRCm39) probably null Het
Il9r A G 11: 32,142,674 (GRCm39) V287A probably benign Het
Inpp5b T C 4: 124,692,143 (GRCm39) C909R possibly damaging Het
Kat7 G A 11: 95,174,860 (GRCm39) H384Y probably damaging Het
Lama5 A G 2: 179,827,185 (GRCm39) S2272P probably benign Het
Megf10 A G 18: 57,386,100 (GRCm39) H371R probably benign Het
Moxd2 A T 6: 40,860,688 (GRCm39) Y310N probably damaging Het
Ntrk2 A T 13: 59,208,209 (GRCm39) E685V probably damaging Het
Ogfr G T 2: 180,236,467 (GRCm39) G351W probably damaging Het
Or52ac1 G T 7: 104,245,915 (GRCm39) P158T probably damaging Het
Parp3 C T 9: 106,351,481 (GRCm39) V207M possibly damaging Het
Pfkfb3 T C 2: 11,486,146 (GRCm39) probably null Het
Pigr T C 1: 130,774,998 (GRCm39) V475A probably benign Het
Pik3ap1 T A 19: 41,316,640 (GRCm39) Y250F probably benign Het
Ppp1r3c A T 19: 36,711,206 (GRCm39) I188N probably damaging Het
Prmt7 T G 8: 106,961,640 (GRCm39) probably benign Het
Psapl1 T C 5: 36,361,594 (GRCm39) V62A probably benign Het
Relch T C 1: 105,619,683 (GRCm39) L280S probably damaging Het
Rpp14 G A 14: 8,090,462 (GRCm38) V129I probably benign Het
Sema4f A G 6: 82,916,553 (GRCm39) probably benign Het
Serpinb13 C A 1: 106,928,337 (GRCm39) A319E probably benign Het
Sez6l2 A T 7: 126,552,625 (GRCm39) S134C probably damaging Het
Slc4a10 T A 2: 62,059,046 (GRCm39) H184Q probably benign Het
Slc9a9 G T 9: 94,821,602 (GRCm39) A330S probably benign Het
Sord T C 2: 122,087,424 (GRCm39) V176A probably damaging Het
Ssbp2 G T 13: 91,817,862 (GRCm39) probably null Het
Stab2 G T 10: 86,773,906 (GRCm39) N808K probably damaging Het
Syne1 A G 10: 5,296,819 (GRCm39) probably null Het
Unc13b C A 4: 43,177,995 (GRCm39) S2941* probably null Het
Utrn T A 10: 12,354,168 (GRCm39) H2806L possibly damaging Het
Vmn1r40 C A 6: 89,691,588 (GRCm39) A135D probably damaging Het
Vmn1r68 C T 7: 10,261,616 (GRCm39) V161M probably benign Het
Wiz T A 17: 32,606,574 (GRCm39) I54F probably damaging Het
Other mutations in Tpcn2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01472:Tpcn2 APN 7 144,821,115 (GRCm39) missense probably damaging 1.00
IGL02112:Tpcn2 APN 7 144,810,529 (GRCm39) missense probably benign 0.18
IGL02646:Tpcn2 APN 7 144,812,311 (GRCm39) missense probably benign 0.03
R0385:Tpcn2 UTSW 7 144,830,911 (GRCm39) missense probably damaging 1.00
R1441:Tpcn2 UTSW 7 144,813,871 (GRCm39) missense probably benign
R1498:Tpcn2 UTSW 7 144,822,648 (GRCm39) missense probably damaging 1.00
R1598:Tpcn2 UTSW 7 144,830,957 (GRCm39) nonsense probably null
R2127:Tpcn2 UTSW 7 144,827,712 (GRCm39) splice site probably benign
R2354:Tpcn2 UTSW 7 144,810,955 (GRCm39) missense probably damaging 1.00
R3747:Tpcn2 UTSW 7 144,809,260 (GRCm39) missense probably damaging 0.97
R3748:Tpcn2 UTSW 7 144,809,260 (GRCm39) missense probably damaging 0.97
R3749:Tpcn2 UTSW 7 144,809,260 (GRCm39) missense probably damaging 0.97
R4775:Tpcn2 UTSW 7 144,821,079 (GRCm39) missense probably damaging 1.00
R4835:Tpcn2 UTSW 7 144,826,088 (GRCm39) missense probably damaging 0.98
R4931:Tpcn2 UTSW 7 144,821,046 (GRCm39) missense probably benign 0.34
R4979:Tpcn2 UTSW 7 144,813,833 (GRCm39) missense probably benign
R5185:Tpcn2 UTSW 7 144,809,191 (GRCm39) missense probably damaging 1.00
R5418:Tpcn2 UTSW 7 144,832,518 (GRCm39) missense probably damaging 1.00
R5443:Tpcn2 UTSW 7 144,809,209 (GRCm39) missense possibly damaging 0.46
R5623:Tpcn2 UTSW 7 144,821,071 (GRCm39) missense possibly damaging 0.76
R5716:Tpcn2 UTSW 7 144,811,550 (GRCm39) missense possibly damaging 0.94
R5910:Tpcn2 UTSW 7 144,814,719 (GRCm39) missense probably benign 0.01
R5927:Tpcn2 UTSW 7 144,832,521 (GRCm39) missense probably damaging 0.99
R6036:Tpcn2 UTSW 7 144,822,606 (GRCm39) missense possibly damaging 0.93
R6036:Tpcn2 UTSW 7 144,822,606 (GRCm39) missense possibly damaging 0.93
R6299:Tpcn2 UTSW 7 144,815,980 (GRCm39) missense probably damaging 1.00
R6337:Tpcn2 UTSW 7 144,833,080 (GRCm39) missense probably damaging 1.00
R6382:Tpcn2 UTSW 7 144,823,486 (GRCm39) missense possibly damaging 0.88
R6724:Tpcn2 UTSW 7 144,810,257 (GRCm39) missense probably benign 0.00
R6995:Tpcn2 UTSW 7 144,810,522 (GRCm39) missense probably benign 0.00
R7494:Tpcn2 UTSW 7 144,832,586 (GRCm39) missense possibly damaging 0.91
R7942:Tpcn2 UTSW 7 144,810,928 (GRCm39) missense probably damaging 0.99
R8052:Tpcn2 UTSW 7 144,814,683 (GRCm39) missense probably benign 0.06
R8320:Tpcn2 UTSW 7 144,820,359 (GRCm39) missense possibly damaging 0.75
R9131:Tpcn2 UTSW 7 144,814,662 (GRCm39) missense probably damaging 1.00
Y4335:Tpcn2 UTSW 7 144,810,972 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- CTTCATAGGACTGCACCTTCTG -3'
(R):5'- AGGTTCTGGTCCCTCTTTAAGG -3'

Sequencing Primer
(F):5'- CTTCTGTAGAAGGAAGGCCAG -3'
(R):5'- GACCTTAGATGGGGCCTATAAGGTAC -3'
Posted On 2017-06-26