Incidental Mutation 'R7795:Fcer2a'
ID 600175
Institutional Source Beutler Lab
Gene Symbol Fcer2a
Ensembl Gene ENSMUSG00000005540
Gene Name Fc receptor, IgE, low affinity II, alpha polypeptide
Synonyms Ly-42, FC epsilon RII, Fce2, CD23, low-affinity IgE receptor
MMRRC Submission 045851-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7795 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 3731737-3744175 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 3732910 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Phenylalanine at position 299 (Y299F)
Ref Sequence ENSEMBL: ENSMUSP00000005678 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000005678] [ENSMUST00000044857] [ENSMUST00000207463] [ENSMUST00000207635] [ENSMUST00000207787] [ENSMUST00000208145] [ENSMUST00000208438] [ENSMUST00000208492] [ENSMUST00000208603]
AlphaFold P20693
Predicted Effect probably benign
Transcript: ENSMUST00000005678
AA Change: Y299F

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000005678
Gene: ENSMUSG00000005540
AA Change: Y299F

DomainStartEndE-ValueType
transmembrane domain 26 48 N/A INTRINSIC
coiled coil region 80 150 N/A INTRINSIC
CLECT 186 306 2.11e-41 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000044857
SMART Domains Protein: ENSMUSP00000036541
Gene: ENSMUSG00000040236

DomainStartEndE-ValueType
Pfam:TRAPP 28 177 3.2e-39 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000207463
AA Change: Y259F

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
Predicted Effect probably benign
Transcript: ENSMUST00000207635
AA Change: Y272F

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
Predicted Effect probably benign
Transcript: ENSMUST00000207787
Predicted Effect probably benign
Transcript: ENSMUST00000208145
AA Change: Y298F

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
Predicted Effect probably benign
Transcript: ENSMUST00000208438
AA Change: Y277F

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
Predicted Effect probably benign
Transcript: ENSMUST00000208492
AA Change: Y298F

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
Predicted Effect probably benign
Transcript: ENSMUST00000208603
AA Change: Y277F

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a B-cell specific antigen, and a low-affinity receptor for IgE. It has essential roles in B cell growth and differentiation, and the regulation of IgE production. This protein also exists as a soluble secreted form, then functioning as a potent mitogenic growth factor. Alternatively spliced transcript variants encoding different isoforms have been described for this gene.[provided by RefSeq, Jul 2011]
PHENOTYPE: Mice homozygous for mutations in this gene are essentially normal although IgE levels or IgE mediated responses may be abnormal. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ankle1 T C 8: 71,861,337 (GRCm39) S391P probably damaging Het
Ankmy1 T C 1: 92,811,570 (GRCm39) Q606R probably benign Het
Bmf A G 2: 118,377,358 (GRCm39) L130P probably damaging Het
Ccdc88c G A 12: 100,889,570 (GRCm39) T1491I probably benign Het
Cyp2c69 G A 19: 39,864,663 (GRCm39) R272C probably benign Het
Defa27 A G 8: 21,806,354 (GRCm39) N78S probably benign Het
Depdc5 T A 5: 33,101,447 (GRCm39) D912E probably damaging Het
Dsc3 C T 18: 20,099,288 (GRCm39) D743N probably damaging Het
Epcam T C 17: 87,950,983 (GRCm39) V190A probably benign Het
Exoc2 G A 13: 31,060,756 (GRCm39) R583* probably null Het
Extl1 T A 4: 134,091,990 (GRCm39) I288F probably damaging Het
Fam50b G A 13: 34,931,084 (GRCm39) E187K possibly damaging Het
Frmd4a G A 2: 4,595,506 (GRCm39) G439R probably damaging Het
Gal3st4 T C 5: 138,269,100 (GRCm39) H120R probably benign Het
Grid1 C A 14: 35,043,642 (GRCm39) N332K probably damaging Het
Igkv4-68 A G 6: 69,281,896 (GRCm39) Y92H probably damaging Het
Itga1 T C 13: 115,148,772 (GRCm39) E283G probably damaging Het
Ldlrad1 G A 4: 107,066,688 (GRCm39) A8T probably benign Het
Lrrc24 A G 15: 76,602,248 (GRCm39) L169P probably benign Het
Mcidas G A 13: 113,135,521 (GRCm39) G315S probably damaging Het
Mettl8 T C 2: 70,812,243 (GRCm39) T131A probably benign Het
Miip C T 4: 147,947,375 (GRCm39) G236S probably benign Het
Nbr1 T A 11: 101,460,154 (GRCm39) D383E probably damaging Het
Neto1 A T 18: 86,479,198 (GRCm39) K167N probably benign Het
Nkx6-1 A T 5: 101,811,628 (GRCm39) L158Q unknown Het
Nlrp5 G A 7: 23,118,219 (GRCm39) V648M possibly damaging Het
Nvl G T 1: 180,924,722 (GRCm39) Q811K probably benign Het
Or13a21 A G 7: 139,999,027 (GRCm39) F220L possibly damaging Het
Or13p3 C A 4: 118,566,855 (GRCm39) H84N possibly damaging Het
Or1j10 A G 2: 36,267,453 (GRCm39) T222A probably benign Het
Or3a1c T A 11: 74,046,844 (GRCm39) L288Q probably damaging Het
Pccb T C 9: 100,881,316 (GRCm39) Y224C probably damaging Het
Pcdh10 T C 3: 45,334,657 (GRCm39) Y324H probably benign Het
Pecam1 C A 11: 106,586,658 (GRCm39) E286* probably null Het
Prl7d1 A T 13: 27,893,263 (GRCm39) L215Q probably damaging Het
Ranbp2 T A 10: 58,319,729 (GRCm39) Y2514* probably null Het
Rgs11 A G 17: 26,426,552 (GRCm39) H261R possibly damaging Het
Samd15 A G 12: 87,247,506 (GRCm39) T64A probably benign Het
Shc4 T A 2: 125,565,285 (GRCm39) S5C probably damaging Het
Shroom3 G A 5: 93,067,508 (GRCm39) V109M probably damaging Het
Spata13 T C 14: 60,929,291 (GRCm39) I283T possibly damaging Het
Sptbn2 C G 19: 4,799,040 (GRCm39) R2037G probably benign Het
Synj2bp G A 12: 81,548,922 (GRCm39) P106S probably benign Het
Tasor T C 14: 27,203,340 (GRCm39) S289P Het
Thoc1 T C 18: 9,986,300 (GRCm39) V344A probably damaging Het
Vmn1r71 A G 7: 10,482,136 (GRCm39) L184S probably damaging Het
Vps45 A G 3: 95,926,936 (GRCm39) I537T probably benign Het
Other mutations in Fcer2a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01102:Fcer2a APN 8 3,738,842 (GRCm39) missense possibly damaging 0.94
IGL01458:Fcer2a APN 8 3,738,151 (GRCm39) missense probably benign 0.45
IGL01545:Fcer2a APN 8 3,733,598 (GRCm39) nonsense probably null
IGL01994:Fcer2a APN 8 3,738,302 (GRCm39) missense possibly damaging 0.94
IGL03340:Fcer2a APN 8 3,738,310 (GRCm39) missense possibly damaging 0.75
anemone UTSW 8 3,738,796 (GRCm39) critical splice donor site probably null
R0058:Fcer2a UTSW 8 3,738,111 (GRCm39) splice site probably benign
R0058:Fcer2a UTSW 8 3,738,111 (GRCm39) splice site probably benign
R0241:Fcer2a UTSW 8 3,738,796 (GRCm39) critical splice donor site probably null
R0241:Fcer2a UTSW 8 3,738,796 (GRCm39) critical splice donor site probably null
R0276:Fcer2a UTSW 8 3,739,811 (GRCm39) missense possibly damaging 0.89
R1530:Fcer2a UTSW 8 3,732,976 (GRCm39) missense probably damaging 0.98
R2202:Fcer2a UTSW 8 3,738,557 (GRCm39) missense possibly damaging 0.72
R4133:Fcer2a UTSW 8 3,741,130 (GRCm39) missense possibly damaging 0.60
R4249:Fcer2a UTSW 8 3,738,831 (GRCm39) missense probably benign 0.00
R4273:Fcer2a UTSW 8 3,732,848 (GRCm39) missense possibly damaging 0.81
R4506:Fcer2a UTSW 8 3,738,603 (GRCm39) splice site probably null
R6796:Fcer2a UTSW 8 3,739,830 (GRCm39) missense possibly damaging 0.92
R6861:Fcer2a UTSW 8 3,732,910 (GRCm39) missense probably damaging 0.98
R7421:Fcer2a UTSW 8 3,740,335 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- TCAAAGCCTTCGGTCACAG -3'
(R):5'- ATCCCCAAAGGTGCAATCGG -3'

Sequencing Primer
(F):5'- CCTGATAGGGGTATCCTCAGG -3'
(R):5'- TCGGTGCTATGGAAGGAGGC -3'
Posted On 2019-11-26