Incidental Mutation 'R2201:Dnase2b'
ID 238642
Institutional Source Beutler Lab
Gene Symbol Dnase2b
Ensembl Gene ENSMUSG00000028185
Gene Name deoxyribonuclease II beta
Synonyms Dlad, DnaseIIb
MMRRC Submission 040203-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.069) question?
Stock # R2201 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 146286740-146321351 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 146290443 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 176 (D176V)
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: D176V

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000029836
Gene: ENSMUSG00000028185
AA Change: D176V

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: D176V

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000142872
Gene: ENSMUSG00000028185
AA Change: D176V

DomainStartEndE-ValueType
signal peptide 1 22 N/A INTRINSIC
Pfam:DNase_II 26 353 4.5e-117 PFAM
Meta Mutation Damage Score 0.5270 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.9%
Validation Efficiency 98% (59/60)
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: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2ml1 A T 6: 128,524,268 (GRCm39) N1121K probably null Het
Actr10 A G 12: 71,006,795 (GRCm39) N351D probably damaging Het
Adcy7 G A 8: 89,044,606 (GRCm39) A500T probably damaging Het
Ankrd35 T C 3: 96,586,564 (GRCm39) I80T possibly damaging Het
Arap2 G A 5: 62,864,028 (GRCm39) T532I probably damaging Het
Bag3 AAAGG AAAGGAAGG 7: 128,147,493 (GRCm39) probably null Het
Cc2d2a T C 5: 43,841,375 (GRCm39) probably benign Het
Cep85l A T 10: 53,224,827 (GRCm39) M254K probably benign Het
Clic4 A G 4: 134,950,850 (GRCm39) S114P probably damaging Het
Ctsj T C 13: 61,150,363 (GRCm39) Y213C probably damaging Het
Ddx28 A G 8: 106,737,206 (GRCm39) V284A probably damaging Het
Dsg2 T A 18: 20,729,111 (GRCm39) N663K probably damaging Het
Dst T A 1: 34,235,002 (GRCm39) S3694T possibly damaging Het
Emilin1 T C 5: 31,073,036 (GRCm39) S158P probably benign Het
Eng T C 2: 32,563,752 (GRCm39) probably benign Het
Entrep2 T A 7: 64,409,141 (GRCm39) M418L probably benign Het
Fdxr C A 11: 115,161,208 (GRCm39) V223L probably benign Het
Fhip1b T C 7: 105,037,398 (GRCm39) N395S probably damaging Het
Frem2 T A 3: 53,423,994 (GRCm39) M3148L probably benign Het
Hip1 A T 5: 135,460,584 (GRCm39) D114E probably benign Het
Itga9 T C 9: 118,706,183 (GRCm39) probably benign Het
Kcnt2 T A 1: 140,437,179 (GRCm39) N487K probably damaging Het
Krt6a A G 15: 101,601,606 (GRCm39) F172L probably benign Het
Megf8 C T 7: 25,040,170 (GRCm39) R1034W probably damaging Het
Muc6 C T 7: 141,236,075 (GRCm39) D451N probably damaging Het
Myo5a A G 9: 75,125,225 (GRCm39) T1838A possibly damaging Het
N4bp2l2 A T 5: 150,585,073 (GRCm39) D302E probably damaging Het
Nbeal2 T A 9: 110,459,318 (GRCm39) I1930F probably benign Het
Nhsl3 A G 4: 129,116,432 (GRCm39) V732A probably benign Het
Npas4 A T 19: 5,037,392 (GRCm39) Y301N probably benign Het
Nt5m A G 11: 59,766,741 (GRCm39) K211E probably benign Het
Pfn4 A G 12: 4,824,382 (GRCm39) probably null Het
Pfpl A C 19: 12,407,843 (GRCm39) D698A probably benign Het
Pias1 G T 9: 62,859,137 (GRCm39) H124N possibly damaging Het
Pja2 A T 17: 64,618,162 (GRCm39) probably benign Het
Polr3e T C 7: 120,531,465 (GRCm39) Y185H probably benign Het
Pomc T C 12: 4,010,275 (GRCm39) L172S probably benign Het
Rapgef4 A G 2: 71,875,533 (GRCm39) T129A probably damaging Het
Reep1 T C 6: 71,750,278 (GRCm39) S97P probably damaging Het
Rttn T A 18: 89,029,067 (GRCm39) I595N possibly damaging Het
Sap30 T C 8: 57,938,506 (GRCm39) probably null Het
Slc1a7 T C 4: 107,850,203 (GRCm39) Y105H probably damaging Het
Slc5a5 C T 8: 71,345,102 (GRCm39) M68I probably damaging Het
Stab2 T A 10: 86,776,503 (GRCm39) Y791F probably benign Het
Tdrd1 C A 19: 56,847,094 (GRCm39) H912N probably benign Het
Tdrd1 C A 19: 56,847,093 (GRCm39) S911R probably benign Het
Tgm7 A T 2: 120,929,062 (GRCm39) F278Y probably damaging Het
Tln2 T C 9: 67,283,039 (GRCm39) T310A probably damaging Het
Tmem256 T C 11: 69,730,271 (GRCm39) I93T probably benign Het
Trpm2 G A 10: 77,756,305 (GRCm39) Q1172* probably null Het
Ttll8 A G 15: 88,818,156 (GRCm39) V173A possibly damaging Het
Ubr5 T C 15: 38,002,543 (GRCm39) S1497G possibly damaging Het
Ubr7 G A 12: 102,727,764 (GRCm39) probably null Het
Vmn1r37 T A 6: 66,708,878 (GRCm39) M1K probably null Het
Vmn2r14 A G 5: 109,366,698 (GRCm39) probably null Het
Vmn2r72 T C 7: 85,387,444 (GRCm39) I707V probably benign Het
Vps8 A G 16: 21,395,507 (GRCm39) R1266G probably damaging Het
Wdr87-ps T A 7: 29,235,950 (GRCm39) noncoding transcript Het
Zfhx4 A G 3: 5,307,349 (GRCm39) N192D probably damaging Het
Zfp638 G C 6: 83,906,500 (GRCm39) D222H probably damaging Het
Zscan29 A C 2: 120,999,883 (GRCm39) V106G 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
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
R6593:Dnase2b UTSW 3 146,292,666 (GRCm39) missense probably damaging 1.00
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'- TGATTTTGCAAAATGGACGAAGT -3'
(R):5'- CTCCCTCCCCTGAAAAGATTACA -3'

Sequencing Primer
(F):5'- ACGAAGTTTAGACCCTGGGCTG -3'
(R):5'- CCCTCCCCTGAAAAGATTACATATAC -3'
Posted On 2014-10-02