Incidental Mutation 'R4133:Fcer2a'
ID 314744
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 041637-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4133 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 3731737-3744175 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 3741130 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Isoleucine at position 4 (N4I)
Ref Sequence ENSEMBL: ENSMUSP00000005678 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000005678] [ENSMUST00000207463] [ENSMUST00000207635] [ENSMUST00000208145] [ENSMUST00000208438] [ENSMUST00000208492] [ENSMUST00000208603]
AlphaFold P20693
Predicted Effect possibly damaging
Transcript: ENSMUST00000005678
AA Change: N4I

PolyPhen 2 Score 0.600 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000005678
Gene: ENSMUSG00000005540
AA Change: N4I

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 noncoding transcript
Transcript: ENSMUST00000207327
Predicted Effect probably benign
Transcript: ENSMUST00000207463
AA Change: N4I

PolyPhen 2 Score 0.204 (Sensitivity: 0.92; Specificity: 0.88)
Predicted Effect unknown
Transcript: ENSMUST00000207635
AA Change: N4I
Predicted Effect probably benign
Transcript: ENSMUST00000208145
Predicted Effect probably benign
Transcript: ENSMUST00000208438
Predicted Effect probably benign
Transcript: ENSMUST00000208492
Predicted Effect probably benign
Transcript: ENSMUST00000208603
Meta Mutation Damage Score 0.1795 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 97% (77/79)
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: 75 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700036A12Rik T A 9: 60,677,280 (GRCm39) noncoding transcript Het
Aldh3b1 A G 19: 3,970,808 (GRCm39) I184T probably damaging Het
Arhgap42 C T 9: 9,011,300 (GRCm39) probably benign Het
Arhgef4 A G 1: 34,845,185 (GRCm39) D1463G probably damaging Het
Arpc5 A G 1: 152,644,622 (GRCm39) T52A probably benign Het
Asb6 A G 2: 30,718,247 (GRCm39) probably benign Het
Ash1l T C 3: 88,889,567 (GRCm39) V482A probably benign Het
Bop1 T C 15: 76,338,535 (GRCm39) N469S probably benign Het
Btaf1 T A 19: 36,939,138 (GRCm39) N266K probably benign Het
Btla T C 16: 45,059,661 (GRCm39) Y122H probably damaging Het
Cacna1g A G 11: 94,323,370 (GRCm39) M1278T probably damaging Het
Cdc42bpb A G 12: 111,287,976 (GRCm39) S524P probably benign Het
Cep78 A G 19: 15,946,519 (GRCm39) S438P probably damaging Het
Clca4a T G 3: 144,675,113 (GRCm39) E171D probably benign Het
Cldn6 A T 17: 23,900,467 (GRCm39) I144F probably damaging Het
Cpd G A 11: 76,705,644 (GRCm39) Q363* probably null Het
Cpn1 G A 19: 43,974,723 (GRCm39) P2L possibly damaging Het
Ddx31 A G 2: 28,748,864 (GRCm39) D264G probably damaging Het
Ddx39b C T 17: 35,472,065 (GRCm39) S368L probably damaging Het
Ddx60 A G 8: 62,425,254 (GRCm39) K681E probably damaging Het
Dennd1c A C 17: 57,383,980 (GRCm39) W15G possibly damaging Het
Dgkd T G 1: 87,869,223 (GRCm39) probably null Het
Dnah7c G T 1: 46,705,150 (GRCm39) A2388S probably benign Het
Etv4 C A 11: 101,661,324 (GRCm39) K442N probably damaging Het
Fam234a T C 17: 26,432,532 (GRCm39) D539G probably damaging Het
Fancm A G 12: 65,167,304 (GRCm39) T1538A probably benign Het
Fbn2 A T 18: 58,229,034 (GRCm39) N725K possibly damaging Het
Fgd5 T C 6: 92,046,418 (GRCm39) V1229A probably damaging Het
Garin4 A T 1: 190,895,205 (GRCm39) N479K probably benign Het
Gm5471 A T 15: 44,835,297 (GRCm39) noncoding transcript Het
Gm5478 T A 15: 101,553,080 (GRCm39) I331F probably damaging Het
Gm6729 C A 10: 86,377,030 (GRCm39) noncoding transcript Het
Hectd4 G T 5: 121,415,897 (GRCm39) probably null Het
Hspb3 A C 13: 113,800,027 (GRCm39) M1R probably null Het
Igkv10-95 T C 6: 68,657,601 (GRCm39) V19A probably damaging Het
Il1rap A G 16: 26,541,636 (GRCm39) S626G probably benign Het
Ints9 A G 14: 65,228,003 (GRCm39) H103R probably benign Het
Itga4 T A 2: 79,152,996 (GRCm39) D894E probably damaging Het
Khsrp T C 17: 57,332,605 (GRCm39) H225R probably benign Het
Lama1 T C 17: 68,057,650 (GRCm39) Y575H probably damaging Het
Lama1 A T 17: 68,119,481 (GRCm39) I2653F probably damaging Het
Map4k5 A T 12: 69,892,497 (GRCm39) L144Q probably damaging Het
Mcm5 A G 8: 75,842,482 (GRCm39) Y252C probably damaging Het
Mmgt2 A G 11: 62,555,877 (GRCm39) E75G probably damaging Het
Mroh2a A T 1: 88,182,687 (GRCm39) N1205I possibly damaging Het
Nckap5 A G 1: 126,150,443 (GRCm39) V162A probably benign Het
Nr3c2 T C 8: 77,636,378 (GRCm39) I493T probably damaging Het
Or2ag16 A C 7: 106,352,286 (GRCm39) L103R probably damaging Het
Or2t46 A T 11: 58,471,901 (GRCm39) Y77F probably damaging Het
Or9s15 T C 1: 92,524,465 (GRCm39) F75L probably benign Het
Papola A G 12: 105,765,917 (GRCm39) T6A possibly damaging Het
Ppp1cc G A 5: 122,306,289 (GRCm39) R36Q probably benign Het
Ptpro G T 6: 137,397,370 (GRCm39) W81C probably damaging Het
Rasgrf2 A G 13: 92,130,773 (GRCm39) S162P possibly damaging Het
Rpusd2 T C 2: 118,869,196 (GRCm39) S540P probably damaging Het
Scn5a T A 9: 119,315,438 (GRCm39) T1757S probably damaging Het
Setbp1 T C 18: 78,900,206 (GRCm39) I1154V probably benign Het
Sirt1 T C 10: 63,171,438 (GRCm39) I209V probably null Het
Slco6c1 T A 1: 97,009,218 (GRCm39) I406L probably benign Het
Smc2 A G 4: 52,450,947 (GRCm39) E255G probably damaging Het
Snap91 C A 9: 86,659,102 (GRCm39) G477V probably damaging Het
Speg A G 1: 75,404,548 (GRCm39) Q2780R probably benign Het
Spmap2 T C 10: 79,415,884 (GRCm39) T236A probably damaging Het
Ssh2 A G 11: 77,312,095 (GRCm39) Y196C probably damaging Het
Ssxb9 A T X: 8,235,845 (GRCm39) T18S probably damaging Het
Stxbp5l T C 16: 37,028,481 (GRCm39) I527M possibly damaging Het
Tex10 T C 4: 48,468,968 (GRCm39) Y69C probably damaging Het
Thoc3 T C 13: 54,616,361 (GRCm39) D87G probably benign Het
Top2b T G 14: 16,409,189 (GRCm38) I777M probably damaging Het
Trps1 T C 15: 50,694,783 (GRCm39) K213R probably damaging Het
Uggt1 A T 1: 36,197,240 (GRCm39) L1221Q probably damaging Het
Vmn2r3 T A 3: 64,183,138 (GRCm39) Y187F probably damaging Het
Washc2 G A 6: 116,235,891 (GRCm39) E1121K probably damaging Het
Zfx T C X: 93,124,464 (GRCm39) N360D probably damaging Het
Znhit3 A G 11: 84,807,139 (GRCm39) V10A 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
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
R7795:Fcer2a UTSW 8 3,732,910 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- TTAGGAAGGTGTTGAGTCACAG -3'
(R):5'- GGCTTCCAGAACCTTCAAGTC -3'

Sequencing Primer
(F):5'- GAGGGGCCTTGAATTTCCC -3'
(R):5'- GAACCTTCAAGTCCCAGATGCTG -3'
Posted On 2015-05-14