Incidental Mutation 'R3684:Calb2'
ID 269470
Institutional Source Beutler Lab
Gene Symbol Calb2
Ensembl Gene ENSMUSG00000003657
Gene Name calbindin 2
Synonyms calretinin, CR
MMRRC Submission 040682-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R3684 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 110869158-110894844 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 110883620 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 35 (Y35H)
Ref Sequence ENSEMBL: ENSMUSP00000148680 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000003754] [ENSMUST00000212297]
AlphaFold Q08331
Predicted Effect probably benign
Transcript: ENSMUST00000003754
AA Change: Y35H

PolyPhen 2 Score 0.022 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000003754
Gene: ENSMUSG00000003657
AA Change: Y35H

DomainStartEndE-ValueType
EFh 20 48 3.22e-5 SMART
EFh 67 95 1.25e-2 SMART
EFh 111 139 2.01e-6 SMART
EFh 155 183 1.87e0 SMART
EFh 199 227 4.96e-6 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000212297
AA Change: Y35H

PolyPhen 2 Score 0.073 (Sensitivity: 0.93; Specificity: 0.84)
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 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 an intracellular calcium-binding protein belonging to the troponin C superfamily. Members of this protein family have six EF-hand domains which bind calcium. This protein plays a role in diverse cellular functions, including message targeting and intracellular calcium buffering. It also functions as a modulator of neuronal excitability, and is a diagnostic marker for some human diseases, including Hirschsprung disease and some cancers. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jun 2010]
PHENOTYPE: Homozygous targeted mutants showed normal growth, normal brain histology, and generally normal behavior. Impaired motor coordination was observed in wheel running in young and old mutant mice, and progressive impairment was seen on the runway and horizontal stationary rod tests in older mice. Abnormalities are observed in Purkinje cell firing, altering both simple and complex spikes. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 35 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamdec1 C T 14: 68,819,447 (GRCm39) V17I probably benign Het
Ahdc1 T C 4: 132,793,013 (GRCm39) L1418P possibly damaging Het
Atr T C 9: 95,802,453 (GRCm39) S1782P probably damaging Het
Btbd9 T A 17: 30,553,281 (GRCm39) N394Y probably damaging Het
Cdon A G 9: 35,400,328 (GRCm39) E1014G possibly damaging Het
Cep83 A G 10: 94,622,687 (GRCm39) T588A probably benign Het
Cfap126 T C 1: 170,941,600 (GRCm39) S32P possibly damaging Het
Clcn7 T C 17: 25,369,567 (GRCm39) L301P possibly damaging Het
Corin T C 5: 72,488,198 (GRCm39) D610G probably damaging Het
Dok3 A G 13: 55,672,306 (GRCm39) S154P probably damaging Het
Ggta1 T A 2: 35,298,000 (GRCm39) T162S probably benign Het
Gldn G A 9: 54,245,624 (GRCm39) E392K possibly damaging Het
Gls A T 1: 52,205,452 (GRCm39) D447E probably damaging Het
Itih5 A T 2: 10,243,435 (GRCm39) N391Y possibly damaging Het
Jchain G A 5: 88,670,398 (GRCm39) P74S probably damaging Het
Lct T C 1: 128,231,963 (GRCm39) M629V probably damaging Het
Lrrn1 T C 6: 107,544,910 (GRCm39) V236A probably benign Het
Mcm3ap T C 10: 76,325,260 (GRCm39) S954P possibly damaging Het
Myh11 T C 16: 14,021,098 (GRCm39) N1725S probably benign Het
Ppcdc C T 9: 57,328,408 (GRCm39) probably null Het
Rhobtb3 A G 13: 76,087,600 (GRCm39) I129T probably damaging Het
Sfxn2 A G 19: 46,579,592 (GRCm39) R252G probably benign Het
Sh2d2a C A 3: 87,759,027 (GRCm39) probably null Het
Sh3gl1 T C 17: 56,325,953 (GRCm39) K159E possibly damaging Het
Slc7a9 A G 7: 35,152,926 (GRCm39) T115A probably benign Het
Spmap1 A T 11: 97,666,525 (GRCm39) Y54N probably damaging Het
Synj2 A T 17: 6,078,718 (GRCm39) D1020V probably damaging Het
Tenm2 C A 11: 35,942,644 (GRCm39) V1342L probably benign Het
Tmem127 T A 2: 127,090,652 (GRCm39) I56N possibly damaging Het
Traj7 A G 14: 54,448,938 (GRCm39) probably benign Het
Unc5d A G 8: 29,184,620 (GRCm39) F627L probably damaging Het
Unc79 T A 12: 103,041,062 (GRCm39) N698K probably benign Het
Usp17la A T 7: 104,510,937 (GRCm39) N514I possibly damaging Het
Uvrag A T 7: 98,637,427 (GRCm39) C341S probably damaging Het
Zfp810 T C 9: 22,189,531 (GRCm39) D459G probably benign Het
Other mutations in Calb2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00089:Calb2 APN 8 110,872,303 (GRCm39) missense probably damaging 1.00
IGL02604:Calb2 APN 8 110,875,160 (GRCm39) missense probably damaging 1.00
IGL03250:Calb2 APN 8 110,869,739 (GRCm39) missense probably benign 0.09
R1108:Calb2 UTSW 8 110,869,760 (GRCm39) nonsense probably null
R2007:Calb2 UTSW 8 110,894,702 (GRCm39) missense probably benign 0.40
R3195:Calb2 UTSW 8 110,883,635 (GRCm39) splice site probably benign
R3683:Calb2 UTSW 8 110,883,620 (GRCm39) missense probably benign 0.07
R4523:Calb2 UTSW 8 110,875,141 (GRCm39) splice site probably null
R4661:Calb2 UTSW 8 110,894,709 (GRCm39) missense probably benign 0.04
R4662:Calb2 UTSW 8 110,894,709 (GRCm39) missense probably benign 0.04
R5326:Calb2 UTSW 8 110,883,610 (GRCm39) missense possibly damaging 0.83
R5566:Calb2 UTSW 8 110,879,332 (GRCm39) missense possibly damaging 0.85
R8289:Calb2 UTSW 8 110,894,690 (GRCm39) missense possibly damaging 0.50
R8678:Calb2 UTSW 8 110,874,275 (GRCm39) missense possibly damaging 0.86
R9653:Calb2 UTSW 8 110,881,374 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- GACTCTTTAGTGCCAAGATTGGAG -3'
(R):5'- GCTGAGTACTCCAAGGGTAC -3'

Sequencing Primer
(F):5'- CAAGATTGGAGAGACCCCAG -3'
(R):5'- CTTGAACATGTGCCTGCAAG -3'
Posted On 2015-02-19