Incidental Mutation 'R2863:Fxr2'
ID 253043
Institutional Source Beutler Lab
Gene Symbol Fxr2
Ensembl Gene ENSMUSG00000018765
Gene Name FMR1 autosomal homolog 2
Synonyms Fxr2h
MMRRC Submission 040453-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.773) question?
Stock # R2863 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 69523816-69544123 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 69530253 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 40 (I40N)
Ref Sequence ENSEMBL: ENSMUSP00000018909 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000018909]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000018909
AA Change: I40N

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000018909
Gene: ENSMUSG00000018765
AA Change: I40N

DomainStartEndE-ValueType
Pfam:Agenet 72 130 1.3e-10 PFAM
KH 227 294 3.06e-3 SMART
KH 295 366 4.16e-5 SMART
low complexity region 368 380 N/A INTRINSIC
low complexity region 389 406 N/A INTRINSIC
low complexity region 423 442 N/A INTRINSIC
low complexity region 475 503 N/A INTRINSIC
Pfam:FXR_C1 504 579 2.5e-36 PFAM
low complexity region 586 599 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000116923
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139605
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155513
Meta Mutation Damage Score 0.7861 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 94.7%
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 RNA binding protein containing two KH domains and one RCG box, which is similar to FMRP and FXR1. It associates with polyribosomes, predominantly with 60S large ribosomal subunits. This encoded protein may self-associate or interact with FMRP and FXR1. It may have a role in the development of fragile X mental retardation syndrome. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit hyperactivity, impaired Morris water task performance, and reductions in prepulse inhibition, contextual conditioned fear, and sensitivity to heat stimulus. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 32 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Armh3 A T 19: 45,874,396 (GRCm39) N592K probably damaging Het
Bag5 T C 12: 111,677,029 (GRCm39) T265A probably benign Het
Bmper A G 9: 23,395,237 (GRCm39) N656S probably benign Het
Boc A G 16: 44,313,323 (GRCm39) S514P probably benign Het
Ddx6 G T 9: 44,525,553 (GRCm39) L103F probably damaging Het
Epb41l3 C T 17: 69,517,316 (GRCm39) P115S probably benign Het
Exoc6 T C 19: 37,641,861 (GRCm39) F709S probably benign Het
Fnip1 T C 11: 54,393,250 (GRCm39) I562T probably damaging Het
Ifna6 G C 4: 88,746,099 (GRCm39) R149S probably benign Het
Ifna6 C A 4: 88,746,086 (GRCm39) T145K probably benign Het
Ldb2 T C 5: 44,637,666 (GRCm39) Q214R probably damaging Het
Mus81 T G 19: 5,536,528 (GRCm39) Y146S probably damaging Het
Myh11 T C 16: 14,057,290 (GRCm39) I335V probably benign Het
Nid2 G A 14: 19,818,471 (GRCm39) E322K possibly damaging Het
Odad1 T C 7: 45,597,736 (GRCm39) S549P probably benign Het
Ofcc1 A T 13: 40,226,236 (GRCm39) S765R probably damaging Het
Ofcc1 T A 13: 40,241,414 (GRCm39) H698L possibly damaging Het
Or8b56 T A 9: 38,739,835 (GRCm39) F283I possibly damaging Het
Otog T G 7: 45,918,730 (GRCm39) C935W probably damaging Het
Pcdhga3 T C 18: 37,807,643 (GRCm39) V32A probably damaging Het
Phc3 C T 3: 30,968,277 (GRCm39) D920N probably damaging Het
Pou6f1 A G 15: 100,478,689 (GRCm39) probably null Het
Ppp4c A T 7: 126,391,272 (GRCm39) I20N probably damaging Het
Prkag2 T A 5: 25,226,790 (GRCm39) T156S probably benign Het
Psd T C 19: 46,303,201 (GRCm39) D95G probably damaging Het
Riox2 A G 16: 59,309,756 (GRCm39) D370G probably damaging Het
Spink14 T A 18: 44,163,948 (GRCm39) C39S probably damaging Het
Tdrd9 T C 12: 111,997,695 (GRCm39) V728A probably benign Het
Tgm2 T C 2: 157,985,019 (GRCm39) E29G probably benign Het
Wdr35 T A 12: 9,078,060 (GRCm39) Y1139* probably null Het
Wdr95 T A 5: 149,505,321 (GRCm39) C367* probably null Het
Zfp35 T A 18: 24,137,352 (GRCm39) D565E probably damaging Het
Other mutations in Fxr2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00469:Fxr2 APN 11 69,532,965 (GRCm39) missense possibly damaging 0.77
IGL00595:Fxr2 APN 11 69,540,018 (GRCm39) missense probably benign 0.01
IGL00659:Fxr2 APN 11 69,531,076 (GRCm39) missense probably benign 0.12
IGL00921:Fxr2 APN 11 69,543,066 (GRCm39) missense probably damaging 1.00
IGL01025:Fxr2 APN 11 69,534,713 (GRCm39) missense probably damaging 1.00
IGL01154:Fxr2 APN 11 69,532,259 (GRCm39) splice site probably benign
IGL01347:Fxr2 APN 11 69,543,114 (GRCm39) missense probably benign 0.27
IGL01743:Fxr2 APN 11 69,543,448 (GRCm39) missense possibly damaging 0.53
IGL01981:Fxr2 APN 11 69,541,328 (GRCm39) missense possibly damaging 0.95
IGL02332:Fxr2 APN 11 69,540,664 (GRCm39) critical splice donor site probably null
IGL02385:Fxr2 APN 11 69,543,095 (GRCm39) missense possibly damaging 0.82
IGL03172:Fxr2 APN 11 69,540,665 (GRCm39) critical splice donor site probably null
R0092:Fxr2 UTSW 11 69,532,972 (GRCm39) splice site probably benign
R0720:Fxr2 UTSW 11 69,530,241 (GRCm39) missense probably benign 0.03
R1112:Fxr2 UTSW 11 69,543,074 (GRCm39) missense probably damaging 1.00
R1344:Fxr2 UTSW 11 69,539,710 (GRCm39) missense possibly damaging 0.68
R1635:Fxr2 UTSW 11 69,532,139 (GRCm39) missense possibly damaging 0.77
R1864:Fxr2 UTSW 11 69,543,103 (GRCm39) missense probably benign 0.30
R1957:Fxr2 UTSW 11 69,534,766 (GRCm39) missense probably benign 0.03
R1992:Fxr2 UTSW 11 69,540,659 (GRCm39) missense possibly damaging 0.92
R2243:Fxr2 UTSW 11 69,532,896 (GRCm39) missense possibly damaging 0.93
R2865:Fxr2 UTSW 11 69,530,253 (GRCm39) missense probably damaging 1.00
R5255:Fxr2 UTSW 11 69,534,667 (GRCm39) missense probably benign 0.03
R5726:Fxr2 UTSW 11 69,524,172 (GRCm39) missense probably benign 0.00
R5899:Fxr2 UTSW 11 69,543,511 (GRCm39) missense probably damaging 1.00
R6045:Fxr2 UTSW 11 69,541,877 (GRCm39) missense possibly damaging 0.90
R6146:Fxr2 UTSW 11 69,532,165 (GRCm39) missense possibly damaging 0.82
R6149:Fxr2 UTSW 11 69,540,030 (GRCm39) missense probably benign 0.05
R6195:Fxr2 UTSW 11 69,543,099 (GRCm39) missense probably benign 0.30
R6622:Fxr2 UTSW 11 69,532,416 (GRCm39) critical splice donor site probably null
R7381:Fxr2 UTSW 11 69,532,875 (GRCm39) missense possibly damaging 0.89
R7382:Fxr2 UTSW 11 69,532,382 (GRCm39) missense probably benign 0.03
R9599:Fxr2 UTSW 11 69,543,469 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TCTGGCGATGTTTACTCTGC -3'
(R):5'- CACCAGATCCTGTTCCATAGTGG -3'

Sequencing Primer
(F):5'- GGCGATGTTTACTCTGCTCACATC -3'
(R):5'- ATCCTTGCTACCAACTATCAAGTG -3'
Posted On 2014-12-04