Incidental Mutation 'R6382:Tpcn2'
ID 515371
Institutional Source Beutler Lab
Gene Symbol Tpcn2
Ensembl Gene ENSMUSG00000048677
Gene Name two pore segment channel 2
Synonyms D830047E22Rik
MMRRC Submission 044531-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6382 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 144740261-144837748 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 144823486 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 256 (S256P)
Ref Sequence ENSEMBL: ENSMUSP00000147224 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000058022] [ENSMUST00000208148] [ENSMUST00000208328] [ENSMUST00000208841] [ENSMUST00000209047] [ENSMUST00000209156]
AlphaFold Q8BWC0
Predicted Effect possibly damaging
Transcript: ENSMUST00000058022
AA Change: S256P

PolyPhen 2 Score 0.650 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000061308
Gene: ENSMUSG00000048677
AA Change: S256P

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 possibly damaging
Transcript: ENSMUST00000208148
AA Change: S232P

PolyPhen 2 Score 0.650 (Sensitivity: 0.87; Specificity: 0.91)
Predicted Effect possibly damaging
Transcript: ENSMUST00000208328
AA Change: S256P

PolyPhen 2 Score 0.883 (Sensitivity: 0.82; Specificity: 0.94)
Predicted Effect possibly damaging
Transcript: ENSMUST00000208841
AA Change: S256P

PolyPhen 2 Score 0.650 (Sensitivity: 0.87; Specificity: 0.91)
Predicted Effect possibly damaging
Transcript: ENSMUST00000209047
AA Change: S256P

PolyPhen 2 Score 0.883 (Sensitivity: 0.82; Specificity: 0.94)
Predicted Effect probably benign
Transcript: ENSMUST00000209156
Meta Mutation Damage Score 0.1795 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 97.5%
Validation Efficiency 100% (55/55)
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abat T A 16: 8,418,850 (GRCm39) M148K probably benign Het
Aldoc T C 11: 78,216,568 (GRCm39) I242T probably benign Het
Camta2 T C 11: 70,562,867 (GRCm39) T927A probably damaging Het
Ccdc30 T C 4: 119,261,363 (GRCm39) R25G possibly damaging Het
Cdh16 T A 8: 105,348,175 (GRCm39) M181L possibly damaging Het
Clstn1 A T 4: 149,710,577 (GRCm39) probably null Het
Cnot6l C A 5: 96,276,858 (GRCm39) R110L probably damaging Het
Col7a1 G A 9: 108,804,461 (GRCm39) S2264N unknown Het
Cspp1 A G 1: 10,153,700 (GRCm39) probably null Het
Cul1 T A 6: 47,479,373 (GRCm39) L213Q probably damaging Het
Cuta T C 17: 27,157,428 (GRCm39) Q124R probably benign Het
Cyp1a1 T A 9: 57,607,973 (GRCm39) N200K probably damaging Het
Dag1 C A 9: 108,085,336 (GRCm39) A602S possibly damaging Het
Ftdc1 T C 16: 58,434,273 (GRCm39) E148G possibly damaging Het
Gm4707 G A 17: 71,766,238 (GRCm39) probably benign Het
Gpat2 G C 2: 127,273,838 (GRCm39) G294R possibly damaging Het
H2-T23 T C 17: 36,342,724 (GRCm39) Y138C probably damaging Het
Hnf4a A T 2: 163,410,926 (GRCm39) M408L probably benign Het
Hpse2 A G 19: 43,376,641 (GRCm39) L37P possibly damaging Het
Hsd17b6 A T 10: 127,827,196 (GRCm39) I292N probably damaging Het
Hsp90aa1 A T 12: 110,661,951 (GRCm39) probably null Het
Ifit1bl1 T A 19: 34,572,283 (GRCm39) Y58F probably benign Het
Igkv10-95 A G 6: 68,657,672 (GRCm39) T43A probably benign Het
Igkv6-17 C T 6: 70,348,814 (GRCm39) Q62* probably null Het
Jakmip2 A G 18: 43,704,244 (GRCm39) S367P possibly damaging Het
Lrrc40 A G 3: 157,764,333 (GRCm39) D416G probably damaging Het
Mdm2 A G 10: 117,528,626 (GRCm39) V177A probably benign Het
Mpp1 TGAGACGAACTCTCCGAG TGAG X: 74,169,375 (GRCm39) probably null Het
Myo1b C T 1: 51,813,466 (GRCm39) probably null Het
Notch2 A G 3: 98,048,859 (GRCm39) D1799G probably damaging Het
Obscn C T 11: 58,890,239 (GRCm39) G7431D unknown Het
Obscn A T 11: 58,933,034 (GRCm39) C4781S probably damaging Het
Or2a14 T A 6: 43,130,899 (GRCm39) I220N probably damaging Het
Or7a35 C A 10: 78,853,351 (GRCm39) S65Y probably damaging Het
Pard3 T A 8: 128,103,264 (GRCm39) V411D probably damaging Het
Pfkl T C 10: 77,835,671 (GRCm39) R246G probably damaging Het
Pgs1 T C 11: 117,894,186 (GRCm39) Y238H probably damaging Het
Pik3c2g A G 6: 139,665,724 (GRCm39) E15G possibly damaging Het
Pja2 A G 17: 64,616,610 (GRCm39) V95A probably benign Het
Ripor2 T C 13: 24,861,828 (GRCm39) I207T possibly damaging Het
Rps15 A G 10: 80,129,820 (GRCm39) Y115C probably damaging Het
Shkbp1 C A 7: 27,051,484 (GRCm39) E192* probably null Het
Slc23a4 T A 6: 34,933,978 (GRCm39) M42L probably benign Het
Snx25 T A 8: 46,509,028 (GRCm39) S373C probably benign Het
Sppl2a A T 2: 126,758,949 (GRCm39) probably null Het
Tektl1 G A 10: 78,588,675 (GRCm39) T45I possibly damaging Het
Txk C T 5: 72,893,823 (GRCm39) probably benign Het
Ubr2 C G 17: 47,268,241 (GRCm39) W991S possibly damaging Het
Ufc1 A G 1: 171,122,248 (GRCm39) W28R probably damaging Het
Unc93b1 C A 19: 3,985,297 (GRCm39) A35E probably benign Het
Ush2a A G 1: 188,546,499 (GRCm39) N3425S probably benign Het
Vmn1r32 A G 6: 66,530,345 (GRCm39) Y144H probably benign Het
Vmn1r76 A G 7: 11,664,426 (GRCm39) F228L probably damaging Het
Zfc3h1 A G 10: 115,243,813 (GRCm39) N715D probably benign Het
Zfp933 T C 4: 147,910,325 (GRCm39) S424G probably benign 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
R6015:Tpcn2 UTSW 7 144,820,588 (GRCm39) missense probably damaging 1.00
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
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'- TGGAAGGGACCAAAACTGCC -3'
(R):5'- AGCCTGCTGGGAAGTAATAGAC -3'

Sequencing Primer
(F):5'- CCAAAACTGCCAAAGGGTG -3'
(R):5'- ACCCCTTGCTCTGTGGATGG -3'
Posted On 2018-05-04