Incidental Mutation 'R5833:Rexo2'
ID 449410
Institutional Source Beutler Lab
Gene Symbol Rexo2
Ensembl Gene ENSMUSG00000032026
Gene Name RNA exonuclease 2
Synonyms Sfn, 1810038D15Rik, Rex2, Smfn
MMRRC Submission 043221-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5833 (G1)
Quality Score 223
Status Not validated
Chromosome 9
Chromosomal Location 48379812-48391911 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 48380171 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 220 (D220E)
Ref Sequence ENSEMBL: ENSMUSP00000034524 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034524] [ENSMUST00000213895]
AlphaFold Q9D8S4
Predicted Effect probably benign
Transcript: ENSMUST00000034524
AA Change: D220E

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000034524
Gene: ENSMUSG00000032026
AA Change: D220E

DomainStartEndE-ValueType
low complexity region 2 26 N/A INTRINSIC
low complexity region 27 40 N/A INTRINSIC
EXOIII 42 216 4.66e-37 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000213508
Predicted Effect noncoding transcript
Transcript: ENSMUST00000213875
Predicted Effect probably benign
Transcript: ENSMUST00000213895
Predicted Effect noncoding transcript
Transcript: ENSMUST00000214929
Predicted Effect noncoding transcript
Transcript: ENSMUST00000216142
Coding Region Coverage
  • 1x: 99.8%
  • 3x: 99.2%
  • 10x: 95.7%
  • 20x: 84.6%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a 3'-to-5' exonuclease specific for small (primarily 5 nucleotides or less in length) single-stranded RNA and DNA oligomers. This protein may have a role in DNA repair, replication, and recombination, and in RNA processing and degradation. It may also be involved in resistance of human cells to UV-C-induced cell death through its role in the DNA repair process. [provided by RefSeq, Nov 2011]
Allele List at MGI
Other mutations in this stock
Total: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930505A04Rik C T 11: 30,376,349 (GRCm39) V173M probably damaging Het
Abcb4 T C 5: 9,008,314 (GRCm39) Y1161H probably damaging Het
Adcy2 T A 13: 68,886,722 (GRCm39) M276L probably benign Het
Adi1 A G 12: 28,731,041 (GRCm39) D166G probably benign Het
Arhgap44 T G 11: 64,929,503 (GRCm39) E267A probably damaging Het
Arl11 T A 14: 61,548,511 (GRCm39) L107Q probably damaging Het
C1qtnf3 A G 15: 10,975,716 (GRCm39) D247G probably benign Het
C4b T C 17: 34,949,647 (GRCm39) D1481G probably damaging Het
Cacna1a T C 8: 85,245,326 (GRCm39) F242L probably damaging Het
Ccnl1 T C 3: 65,855,922 (GRCm39) K298E probably benign Het
Dcaf5 A G 12: 80,395,203 (GRCm39) V322A probably damaging Het
Ddr2 T C 1: 169,832,265 (GRCm39) N175S probably benign Het
Enox1 T A 14: 77,744,379 (GRCm39) M21K probably benign Het
Fhad1 T C 4: 141,729,838 (GRCm39) D55G probably damaging Het
Gm5157 A G 7: 20,919,318 (GRCm39) M75T possibly damaging Het
Gm6309 A G 5: 146,105,128 (GRCm39) S262P probably damaging Het
Gpnmb T C 6: 49,020,952 (GRCm39) L82P probably damaging Het
Hyls1 G A 9: 35,472,480 (GRCm39) S312F probably benign Het
Iqgap2 C T 13: 95,811,880 (GRCm39) R707H probably damaging Het
Itpripl2 A C 7: 118,089,194 (GRCm39) V455G probably benign Het
Kif16b A G 2: 142,549,287 (GRCm39) V1087A probably benign Het
Med12l A G 3: 59,172,647 (GRCm39) D1801G possibly damaging Het
Mep1a G A 17: 43,789,055 (GRCm39) H574Y probably benign Het
Mtmr4 T A 11: 87,495,875 (GRCm39) Y570* probably null Het
Osbpl1a G T 18: 12,921,419 (GRCm39) N128K probably damaging Het
Pcdhb5 T A 18: 37,454,155 (GRCm39) H178Q probably damaging Het
Pdlim1 A T 19: 40,218,989 (GRCm39) F214Y probably damaging Het
Qki A T 17: 10,435,316 (GRCm39) L236H probably damaging Het
Rras A G 7: 44,670,715 (GRCm39) E195G possibly damaging Het
Serpinb11 T C 1: 107,305,392 (GRCm39) probably null Het
Sp1 T A 15: 102,339,352 (GRCm39) M430K possibly damaging Het
Tardbp A C 4: 148,702,117 (GRCm39) V86G probably damaging Het
Trim43c A G 9: 88,725,090 (GRCm39) Q203R possibly damaging Het
Vmn1r232 A G 17: 21,133,913 (GRCm39) L229P probably damaging Het
Other mutations in Rexo2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00090:Rexo2 APN 9 48,385,747 (GRCm39) missense probably damaging 1.00
IGL01634:Rexo2 APN 9 48,380,215 (GRCm39) missense probably damaging 1.00
R0014:Rexo2 UTSW 9 48,385,747 (GRCm39) missense probably benign 0.31
R1253:Rexo2 UTSW 9 48,380,232 (GRCm39) missense probably damaging 1.00
R1534:Rexo2 UTSW 9 48,380,190 (GRCm39) missense probably damaging 0.99
R2062:Rexo2 UTSW 9 48,385,813 (GRCm39) missense possibly damaging 0.94
R3789:Rexo2 UTSW 9 48,384,362 (GRCm39) missense probably damaging 1.00
R4343:Rexo2 UTSW 9 48,380,148 (GRCm39) missense possibly damaging 0.95
R4594:Rexo2 UTSW 9 48,391,717 (GRCm39) missense probably damaging 1.00
R4907:Rexo2 UTSW 9 48,390,703 (GRCm39) splice site probably null
R4972:Rexo2 UTSW 9 48,390,689 (GRCm39) missense probably damaging 1.00
R5861:Rexo2 UTSW 9 48,386,481 (GRCm39) missense probably damaging 1.00
R6111:Rexo2 UTSW 9 48,384,412 (GRCm39) missense probably damaging 1.00
R7780:Rexo2 UTSW 9 48,380,145 (GRCm39) missense probably damaging 1.00
R8053:Rexo2 UTSW 9 48,386,418 (GRCm39) critical splice donor site probably null
R9492:Rexo2 UTSW 9 48,380,176 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- AACGGAAGAGTGATGTCTGC -3'
(R):5'- CGCTTTGCAGAGGACGTTAG -3'

Sequencing Primer
(F):5'- CTGCTTGAGGAGTATGAAGATGC -3'
(R):5'- GGCACTGGATGACATTAGT -3'
Posted On 2016-12-20