Incidental Mutation 'PIT4260001:Clgn'
ID 554503
Institutional Source Beutler Lab
Gene Symbol Clgn
Ensembl Gene ENSMUSG00000002190
Gene Name calmegin
Synonyms calnexin-t, Cln, 4930459O04Rik, A2/6
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.369) question?
Stock # PIT4260001 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 84116496-84155181 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 84149753 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Threonine at position 418 (M418T)
Ref Sequence ENSEMBL: ENSMUSP00000002259 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002259] [ENSMUST00000109831]
AlphaFold P52194
Predicted Effect probably damaging
Transcript: ENSMUST00000002259
AA Change: M418T

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000002259
Gene: ENSMUSG00000002190
AA Change: M418T

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
Pfam:Calreticulin 62 429 6.6e-160 PFAM
transmembrane domain 471 493 N/A INTRINSIC
low complexity region 516 533 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000109831
AA Change: M418T

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000105457
Gene: ENSMUSG00000002190
AA Change: M418T

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
Pfam:Calreticulin 60 429 1.9e-154 PFAM
transmembrane domain 471 493 N/A INTRINSIC
low complexity region 516 533 N/A INTRINSIC
Coding Region Coverage
  • 1x: 92.7%
  • 3x: 90.5%
  • 10x: 84.8%
  • 20x: 72.5%
Validation Efficiency
MGI Phenotype FUNCTION: This gene belongs to the calreticulin family, which includes calreticulin, calnexin, and calmegin, and encodes a calcium-binding molecular chaperone specifically expressed in pachytene stage male germ cells. It is required for the proper folding of newly synthesized membrane proteins in the endoplasmic reticulum including those critical for sperm migration from the uterus into the oviduct and sperm adhesion to and penetration of the zona pellucida. This gene plays a key role in spermatogenesis and male infertility. Alternative splice variants exist for this gene. [provided by RefSeq, Jul 2016]
PHENOTYPE: Males homozygous for a targeted null mutation exhibit severely impaired fertility associated with an apparent defect in either sperm/zona pellucida binding and/or sperm transit to the oviduct. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Arap3 A T 18: 38,129,948 (GRCm39) L71Q probably benign Het
Atp10a A T 7: 58,440,866 (GRCm39) K504* probably null Het
AW551984 T C 9: 39,504,275 (GRCm39) T564A probably benign Het
Cep128 A G 12: 91,265,808 (GRCm39) V268A probably benign Het
Col12a1 A G 9: 79,558,662 (GRCm39) probably null Het
Col4a3 A T 1: 82,660,482 (GRCm39) E933D unknown Het
Csmd1 A T 8: 16,120,327 (GRCm39) L1826Q probably damaging Het
Enpp2 C T 15: 54,707,774 (GRCm39) probably null Het
Ep400 G A 5: 110,841,037 (GRCm39) R1832* probably null Het
Exoc5 T C 14: 49,286,222 (GRCm39) K135R probably benign Het
Fam83h A G 15: 75,873,746 (GRCm39) F1197S probably damaging Het
Gabrg1 T C 5: 70,939,623 (GRCm39) I170V probably benign Het
Gigyf2 C T 1: 87,346,828 (GRCm39) R610C unknown Het
Gm16440 T C 14: 17,575,339 (GRCm39) E119G probably benign Het
Gm17669 A G 18: 67,695,508 (GRCm39) R18G probably damaging Het
Gxylt1 A G 15: 93,159,708 (GRCm39) S100P probably damaging Het
H3c10 C A 13: 21,902,089 (GRCm39) S87R possibly damaging Het
Hacd4 C G 4: 88,316,342 (GRCm39) R259T unknown Het
Hacd4 T A 4: 88,316,343 (GRCm39) R259* probably null Het
Hivep3 T C 4: 119,956,379 (GRCm39) L1565P probably damaging Het
Iqsec1 T A 6: 90,667,471 (GRCm39) D218V probably damaging Het
Matn2 C T 15: 34,428,877 (GRCm39) T747I possibly damaging Het
Myl6b T A 10: 128,332,175 (GRCm39) Q97L possibly damaging Het
Or5d18 A T 2: 87,865,126 (GRCm39) M119K probably damaging Het
Pcdh1 A G 18: 38,336,419 (GRCm39) V72A probably damaging Het
Pira2 T C 7: 3,845,173 (GRCm39) T362A probably benign Het
Pira2 C T 7: 3,845,169 (GRCm39) S363N probably benign Het
Pira2 G C 7: 3,845,172 (GRCm39) T362S probably benign Het
Pkhd1 A G 1: 20,293,130 (GRCm39) V2830A possibly damaging Het
Plpp1 A G 13: 112,993,419 (GRCm39) D118G probably damaging Het
Polr2a A G 11: 69,626,793 (GRCm39) S1514P possibly damaging Het
Pou3f2 G T 4: 22,487,291 (GRCm39) Q281K possibly damaging Het
Prl7a2 A T 13: 27,843,259 (GRCm39) Y181* probably null Het
Prpf4b T A 13: 35,068,274 (GRCm39) S368T probably benign Het
Prss45 A G 9: 110,667,513 (GRCm39) D53G probably benign Het
Ryr2 T A 13: 11,609,641 (GRCm39) H4395L possibly damaging Het
Spp2 G T 1: 88,338,927 (GRCm39) A97S probably benign Het
Strn4 T C 7: 16,556,434 (GRCm39) F99S probably damaging Het
Tcaf2 T A 6: 42,619,739 (GRCm39) H96L probably damaging Het
Tenm2 T C 11: 36,054,557 (GRCm39) D601G probably damaging Het
Trpm6 A T 19: 18,803,166 (GRCm39) M870L possibly damaging Het
Ttn T C 2: 76,773,569 (GRCm39) T2351A unknown Het
Xirp2 T A 2: 67,341,941 (GRCm39) I1394K possibly damaging Het
Zfc3h1 G T 10: 115,226,794 (GRCm39) D284Y probably damaging Het
Other mutations in Clgn
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01729:Clgn APN 8 84,124,279 (GRCm39) missense probably damaging 1.00
IGL02158:Clgn APN 8 84,149,765 (GRCm39) missense probably damaging 1.00
IGL03077:Clgn APN 8 84,150,769 (GRCm39) missense probably benign 0.05
R0604:Clgn UTSW 8 84,150,823 (GRCm39) missense probably benign 0.01
R1728:Clgn UTSW 8 84,149,659 (GRCm39) missense probably damaging 0.98
R1729:Clgn UTSW 8 84,149,659 (GRCm39) missense probably damaging 0.98
R2059:Clgn UTSW 8 84,126,607 (GRCm39) missense probably benign 0.01
R2182:Clgn UTSW 8 84,137,039 (GRCm39) missense possibly damaging 0.80
R3821:Clgn UTSW 8 84,147,106 (GRCm39) missense probably null 0.02
R4542:Clgn UTSW 8 84,146,838 (GRCm39) missense probably damaging 1.00
R5097:Clgn UTSW 8 84,137,152 (GRCm39) missense possibly damaging 0.90
R5677:Clgn UTSW 8 84,136,167 (GRCm39) missense probably damaging 1.00
R5752:Clgn UTSW 8 84,123,670 (GRCm39) missense probably damaging 0.99
R5802:Clgn UTSW 8 84,152,243 (GRCm39) missense probably damaging 1.00
R6584:Clgn UTSW 8 84,126,665 (GRCm39) missense probably benign 0.33
R7542:Clgn UTSW 8 84,122,174 (GRCm39) missense possibly damaging 0.90
R7563:Clgn UTSW 8 84,147,185 (GRCm39) missense probably damaging 1.00
R7819:Clgn UTSW 8 84,134,829 (GRCm39) missense possibly damaging 0.87
R9081:Clgn UTSW 8 84,153,169 (GRCm39) missense probably damaging 1.00
R9351:Clgn UTSW 8 84,153,218 (GRCm39) missense possibly damaging 0.94
RF022:Clgn UTSW 8 84,152,235 (GRCm39) missense probably damaging 1.00
Z1177:Clgn UTSW 8 84,124,310 (GRCm39) missense probably benign 0.28
Predicted Primers PCR Primer
(F):5'- AAAAGGCTTCCTCTTCCGC -3'
(R):5'- CCTTGGCATTTAGTAGTTACTGC -3'

Sequencing Primer
(F):5'- CGCTCCTTTTTATTTGTGTAATGGC -3'
(R):5'- AGTAGTTACTGCATCGGTATCACC -3'
Posted On 2019-06-07