Incidental Mutation 'K3955:Calr'
ID 67234
Institutional Source Beutler Lab
Gene Symbol Calr
Ensembl Gene ENSMUSG00000003814
Gene Name calreticulin
Synonyms Calregulin, CRT
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # K3955 (G3) of strain 706
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 85568717-85573560 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 85572902 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 57 (Y57C)
Ref Sequence ENSEMBL: ENSMUSP00000003912 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000003912]
AlphaFold P14211
PDB Structure Crystal structure of the calreticulin lectin domain [X-RAY DIFFRACTION]
Structural basis of carbohydrate recognition by calreticulin [X-RAY DIFFRACTION]
Structural basis of carbohydrate recognition by calreticulin [X-RAY DIFFRACTION]
Structural and functional relationships between the lectin and arm domains of calreticulin [X-RAY DIFFRACTION]
Predicted Effect probably damaging
Transcript: ENSMUST00000003912
AA Change: Y57C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000003912
Gene: ENSMUSG00000003814
AA Change: Y57C

DomainStartEndE-ValueType
signal peptide 1 17 N/A INTRINSIC
Pfam:Calreticulin 23 258 2.7e-64 PFAM
Pfam:Calreticulin 257 332 3.3e-24 PFAM
low complexity region 358 407 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125998
Predicted Effect noncoding transcript
Transcript: ENSMUST00000128028
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141347
Predicted Effect noncoding transcript
Transcript: ENSMUST00000147538
Predicted Effect noncoding transcript
Transcript: ENSMUST00000154774
Meta Mutation Damage Score 0.8536 question?
Coding Region Coverage
  • 1x: 99.5%
  • 3x: 98.9%
  • 10x: 97.4%
  • 20x: 94.9%
Validation Efficiency 100% (42/42)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Calreticulin is a multifunctional protein that acts as a major Ca(2+)-binding (storage) protein in the lumen of the endoplasmic reticulum. It is also found in the nucleus, suggesting that it may have a role in transcription regulation. Calreticulin binds to the synthetic peptide KLGFFKR, which is almost identical to an amino acid sequence in the DNA-binding domain of the superfamily of nuclear receptors. Calreticulin binds to antibodies in certain sera of systemic lupus and Sjogren patients which contain anti-Ro/SSA antibodies, it is highly conserved among species, and it is located in the endoplasmic and sarcoplasmic reticulum where it may bind calcium. The amino terminus of calreticulin interacts with the DNA-binding domain of the glucocorticoid receptor and prevents the receptor from binding to its specific glucocorticoid response element. Calreticulin can inhibit the binding of androgen receptor to its hormone-responsive DNA element and can inhibit androgen receptor and retinoic acid receptor transcriptional activities in vivo, as well as retinoic acid-induced neuronal differentiation. Thus, calreticulin can act as an important modulator of the regulation of gene transcription by nuclear hormone receptors. Systemic lupus erythematosus is associated with increased autoantibody titers against calreticulin but calreticulin is not a Ro/SS-A antigen. Earlier papers referred to calreticulin as an Ro/SS-A antigen but this was later disproven. Increased autoantibody titer against human calreticulin is found in infants with complete congenital heart block of both the IgG and IgM classes. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygotes for targeted null mutations exhibit decreased cardiac cell mass, increased apoptosis of cardiac myocytes, neural tube defects (sometimes associated with exencephaly), omphalocele, and mid- to late-gestational lethality. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agap1 G A 1: 89,815,326 (GRCm39) R738H probably damaging Het
Arhgap28 T C 17: 68,311,001 (GRCm39) E2G probably damaging Het
Atad2b C A 12: 5,004,536 (GRCm39) probably benign Het
Atmin T A 8: 117,683,775 (GRCm39) C478* probably null Het
Cdh13 G A 8: 119,401,843 (GRCm39) V82M probably damaging Het
Ces3a A T 8: 105,777,259 (GRCm39) probably benign Het
Dmbt1 T C 7: 130,721,293 (GRCm39) Y1854H probably damaging Het
Dnah1 T A 14: 30,988,416 (GRCm39) M3429L probably benign Het
Dscam A G 16: 96,474,887 (GRCm39) F1225S probably benign Het
E030025P04Rik G A 11: 109,034,778 (GRCm39) P37S unknown Het
Eral1 A T 11: 77,966,847 (GRCm39) D189E probably damaging Het
Fbxw14 G T 9: 109,105,313 (GRCm39) P284Q possibly damaging Het
Fcrl6 A G 1: 172,425,251 (GRCm39) V260A probably benign Het
Fezf2 A T 14: 12,345,097 (GRCm38) F30Y probably damaging Het
Gjb4 A T 4: 127,245,293 (GRCm39) V216D probably benign Het
Gm9758 G A 5: 14,963,522 (GRCm39) probably benign Het
Gm9758 C G 5: 14,963,553 (GRCm39) V92L probably benign Het
Gmps A C 3: 63,908,954 (GRCm39) R485S probably damaging Het
Gtdc1 C T 2: 44,642,233 (GRCm39) probably null Het
H2-Ob C T 17: 34,460,158 (GRCm39) R19C probably damaging Het
Lars2 T C 9: 123,206,842 (GRCm39) V103A probably damaging Het
Mtrex A C 13: 113,047,513 (GRCm39) Y277* probably null Het
Ndnf G A 6: 65,678,413 (GRCm39) probably benign Het
Nectin1 A G 9: 43,703,375 (GRCm39) Y211C probably damaging Het
Notch4 C T 17: 34,787,436 (GRCm39) T332I probably damaging Het
Or13c25 A G 4: 52,911,081 (GRCm39) F238L probably damaging Het
Or8g28 A C 9: 39,169,926 (GRCm39) L14W probably damaging Het
Or8g53 A G 9: 39,683,469 (GRCm39) I209T probably benign Het
Paf1 T C 7: 28,096,350 (GRCm39) probably null Het
Pcdhb1 G T 18: 37,399,026 (GRCm39) G326C probably damaging Het
Plcl1 A G 1: 55,737,098 (GRCm39) Y813C possibly damaging Het
Pramel25 T C 4: 143,521,710 (GRCm39) I442T possibly damaging Het
Prkcq T C 2: 11,251,604 (GRCm39) probably benign Het
Proser3 G T 7: 30,242,924 (GRCm39) P218T probably damaging Het
Rccd1 G A 7: 79,970,419 (GRCm39) S66F probably benign Het
Recql G T 6: 142,323,932 (GRCm39) S54* probably null Het
Samd15 G T 12: 87,247,534 (GRCm39) G73V probably benign Het
Siglec1 T C 2: 130,923,359 (GRCm39) N462S probably benign Het
Syne2 G T 12: 75,977,439 (GRCm39) A1296S probably damaging Het
Tlk1 T C 2: 70,552,045 (GRCm39) E542G possibly damaging Het
Tnks1bp1 C T 2: 84,892,755 (GRCm39) T232I probably benign Het
Tnrc6c T A 11: 117,651,564 (GRCm39) Y1696N probably damaging Het
Uggt1 A G 1: 36,201,434 (GRCm39) I1102T probably benign Het
Vmn1r84 C T 7: 12,095,884 (GRCm39) V270M probably damaging Het
Wasf1 C T 10: 40,812,191 (GRCm39) P327S unknown Het
Other mutations in Calr
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00540:Calr APN 8 85,571,373 (GRCm39) missense possibly damaging 0.89
IGL00648:Calr APN 8 85,569,331 (GRCm39) unclassified probably benign
IGL01309:Calr APN 8 85,573,335 (GRCm39) critical splice donor site probably null
IGL01910:Calr APN 8 85,571,598 (GRCm39) unclassified probably benign
IGL01918:Calr APN 8 85,569,479 (GRCm39) unclassified probably benign
IGL02399:Calr APN 8 85,569,415 (GRCm39) unclassified probably benign
IGL02749:Calr APN 8 85,571,117 (GRCm39) missense probably damaging 1.00
IGL02858:Calr APN 8 85,571,528 (GRCm39) missense probably benign 0.07
IGL03090:Calr APN 8 85,573,373 (GRCm39) missense possibly damaging 0.82
R0309:Calr UTSW 8 85,569,660 (GRCm39) missense probably benign 0.43
R1670:Calr UTSW 8 85,570,748 (GRCm39) missense probably benign 0.24
R1974:Calr UTSW 8 85,570,786 (GRCm39) missense probably benign
R6864:Calr UTSW 8 85,571,557 (GRCm39) missense probably damaging 0.98
R7120:Calr UTSW 8 85,569,457 (GRCm39) missense probably damaging 0.98
R9320:Calr UTSW 8 85,572,629 (GRCm39) nonsense probably null
Z1176:Calr UTSW 8 85,570,693 (GRCm39) critical splice donor site probably null
Predicted Primers PCR Primer
(F):5'- GGACAGTGCGTAAAATCGGGCATC -3'
(R):5'- ACCTGCTTGTAGCTCCTGACAGAC -3'

Sequencing Primer
(F):5'- CGTAAAATCGGGCATCTTGGC -3'
(R):5'- CTCCTGACAGACGTTGGTTATG -3'
Posted On 2013-09-03