Incidental Mutation 'R6593:Dnase2b'
ID 523462
Institutional Source Beutler Lab
Gene Symbol Dnase2b
Ensembl Gene ENSMUSG00000028185
Gene Name deoxyribonuclease II beta
Synonyms Dlad, DnaseIIb
MMRRC Submission 044717-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.069) question?
Stock # R6593 (G1)
Quality Score 225.009
Status Validated
Chromosome 3
Chromosomal Location 146286740-146321351 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 146292666 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 169 (Y169C)
Ref Sequence ENSEMBL: ENSMUSP00000142872 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029836] [ENSMUST00000199489] [ENSMUST00000200633]
AlphaFold Q9QY48
Predicted Effect probably damaging
Transcript: ENSMUST00000029836
AA Change: Y169C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000029836
Gene: ENSMUSG00000028185
AA Change: Y169C

DomainStartEndE-ValueType
signal peptide 1 22 N/A INTRINSIC
Pfam:DNase_II 27 353 1.5e-112 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000199489
SMART Domains Protein: ENSMUSP00000143418
Gene: ENSMUSG00000028186

DomainStartEndE-ValueType
Pfam:Uricase 1 121 8.3e-35 PFAM
Pfam:Uricase 128 228 1.8e-19 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000200633
AA Change: Y169C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000142872
Gene: ENSMUSG00000028185
AA Change: Y169C

DomainStartEndE-ValueType
signal peptide 1 22 N/A INTRINSIC
Pfam:DNase_II 26 353 4.5e-117 PFAM
Coding Region Coverage
  • 1x: 99.8%
  • 3x: 99.2%
  • 10x: 96.6%
  • 20x: 89.6%
Validation Efficiency 100% (37/37)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene shares considerable sequence similarity to, and is structurally related to DNase II. The latter is a well characterized endonuclease that catalyzes DNA hydrolysis in the absence of divalent cations at acidic pH. Unlike DNase II which is ubiquitously expressed, expression of this gene product is restricted to the salivary gland and lungs. The gene has been localized to chromosome 1p22.3 adjacent (and in opposite orientation) to the uricase pseudogene. Two transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: The inability of homozygous mutant mice to degrade DNA in differentiating lens cells leads to cataract formation in the nucleus lentis. Consequently, mutant mice exhibit an impaired response to light. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 35 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb1b C A 5: 8,903,491 (GRCm39) N1047K probably benign Het
AI597479 C A 1: 43,150,408 (GRCm39) Q173K probably damaging Het
Arhgef10 T C 8: 15,012,522 (GRCm39) L282P probably damaging Het
Arhgef10 T C 8: 15,012,564 (GRCm39) I296T possibly damaging Het
Atg2b A G 12: 105,611,107 (GRCm39) S1275P probably damaging Het
Cep290 T C 10: 100,344,638 (GRCm39) M485T probably benign Het
Clca3a2 A G 3: 144,514,338 (GRCm39) probably null Het
Clcn6 C T 4: 148,095,226 (GRCm39) S731N probably benign Het
Clic6 A G 16: 92,325,005 (GRCm39) I388V possibly damaging Het
Cpsf4l G T 11: 113,600,192 (GRCm39) probably benign Het
Dlg5 G A 14: 24,200,720 (GRCm39) H1350Y probably benign Het
Elavl3 C T 9: 21,929,843 (GRCm39) V354M possibly damaging Het
Farp2 A C 1: 93,497,662 (GRCm39) I231L possibly damaging Het
Gcc2 T A 10: 58,107,329 (GRCm39) M755K probably damaging Het
Gpr88 T C 3: 116,046,273 (GRCm39) T13A unknown Het
Gstm3 T A 3: 107,875,511 (GRCm39) N40Y probably benign Het
Krtap5-2 A T 7: 141,728,697 (GRCm39) C328S unknown Het
Lpar1 A T 4: 58,486,605 (GRCm39) V222E probably damaging Het
Neto2 A G 8: 86,396,175 (GRCm39) S192P probably damaging Het
Odad1 T A 7: 45,596,808 (GRCm39) D378E probably damaging Het
Or52n3 C T 7: 104,530,640 (GRCm39) T242I probably damaging Het
Pcdhgb1 G T 18: 37,815,134 (GRCm39) D542Y probably damaging Het
Phldb2 G A 16: 45,645,790 (GRCm39) Q264* probably null Het
Ptgs2 G A 1: 149,976,784 (GRCm39) D6N possibly damaging Het
Rasef G T 4: 73,663,327 (GRCm39) H167N probably damaging Het
Rbbp4 A G 4: 129,216,168 (GRCm39) L193S probably damaging Het
Rigi T C 4: 40,226,651 (GRCm39) I169V probably benign Het
Sec24d T C 3: 123,147,061 (GRCm39) F673S probably damaging Het
Slc9b1 T C 3: 135,063,219 (GRCm39) M1T probably null Het
Stra6 A G 9: 58,059,262 (GRCm39) T542A probably benign Het
Stt3b T C 9: 115,081,579 (GRCm39) Y569C probably damaging Het
Traf3ip1 A G 1: 91,455,417 (GRCm39) K626R possibly damaging Het
Washc2 T A 6: 116,236,210 (GRCm39) I1227N probably damaging Het
Xpo7 G A 14: 70,919,802 (GRCm39) A671V probably damaging Het
Zfp799 A G 17: 33,038,764 (GRCm39) Y501H probably damaging Het
Other mutations in Dnase2b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00725:Dnase2b APN 3 146,302,133 (GRCm39) missense probably benign 0.34
IGL01626:Dnase2b APN 3 146,290,371 (GRCm39) splice site probably null
IGL02582:Dnase2b APN 3 146,294,840 (GRCm39) missense probably benign 0.00
IGL02970:Dnase2b APN 3 146,288,261 (GRCm39) missense probably damaging 0.97
R0006:Dnase2b UTSW 3 146,288,244 (GRCm39) missense probably damaging 0.99
R0006:Dnase2b UTSW 3 146,288,244 (GRCm39) missense probably damaging 0.99
R0233:Dnase2b UTSW 3 146,288,305 (GRCm39) missense probably benign 0.01
R0233:Dnase2b UTSW 3 146,288,305 (GRCm39) missense probably benign 0.01
R0539:Dnase2b UTSW 3 146,294,910 (GRCm39) splice site probably benign
R1544:Dnase2b UTSW 3 146,290,312 (GRCm39) missense probably benign 0.03
R2201:Dnase2b UTSW 3 146,290,443 (GRCm39) missense probably damaging 0.99
R3690:Dnase2b UTSW 3 146,299,326 (GRCm39) nonsense probably null
R4921:Dnase2b UTSW 3 146,299,196 (GRCm39) missense probably damaging 1.00
R5318:Dnase2b UTSW 3 146,288,210 (GRCm39) missense probably benign 0.02
R6226:Dnase2b UTSW 3 146,290,318 (GRCm39) missense probably benign
R6781:Dnase2b UTSW 3 146,288,126 (GRCm39) missense probably benign 0.40
R7035:Dnase2b UTSW 3 146,288,096 (GRCm39) missense probably damaging 1.00
R7314:Dnase2b UTSW 3 146,288,151 (GRCm39) missense probably damaging 0.99
R8992:Dnase2b UTSW 3 146,292,717 (GRCm39) missense probably damaging 1.00
R9154:Dnase2b UTSW 3 146,299,326 (GRCm39) nonsense probably null
R9590:Dnase2b UTSW 3 146,290,323 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- GAGCATCTACGAAGACTTCCAG -3'
(R):5'- GCTTCGGTATTACAGCTTTGAAC -3'

Sequencing Primer
(F):5'- TTCCAGATGAAGGGGCACACTTG -3'
(R):5'- CTGGCTGATACACTCTGT -3'
Posted On 2018-06-22