Incidental Mutation 'IGL02502:Dffb'
ID 296124
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Dffb
Ensembl Gene ENSMUSG00000029027
Gene Name DNA fragmentation factor, beta subunit
Synonyms Didff, caspase-activated DNase, CAD, 5730477D02Rik, CPAN, 40kDa, DFF40
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # IGL02502
Quality Score
Status
Chromosome 4
Chromosomal Location 154048904-154059578 bp(-) (GRCm39)
Type of Mutation unclassified
DNA Base Change (assembly) A to G at 154050073 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000116796 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030893] [ENSMUST00000058393] [ENSMUST00000105645] [ENSMUST00000133607] [ENSMUST00000141493] [ENSMUST00000147826]
AlphaFold O54788
Predicted Effect probably benign
Transcript: ENSMUST00000030893
SMART Domains Protein: ENSMUSP00000030893
Gene: ENSMUSG00000029027

DomainStartEndE-ValueType
CAD 9 81 2.48e-41 SMART
Pfam:DFF40 103 324 9.4e-97 PFAM
low complexity region 330 344 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000058393
SMART Domains Protein: ENSMUSP00000054638
Gene: ENSMUSG00000047613

DomainStartEndE-ValueType
Pfam:UPF0688 6 228 9.9e-99 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000105645
Predicted Effect noncoding transcript
Transcript: ENSMUST00000128457
Predicted Effect noncoding transcript
Transcript: ENSMUST00000133524
Predicted Effect probably benign
Transcript: ENSMUST00000133607
Predicted Effect noncoding transcript
Transcript: ENSMUST00000219093
Predicted Effect probably benign
Transcript: ENSMUST00000141493
Predicted Effect probably benign
Transcript: ENSMUST00000147826
Coding Region Coverage
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Apoptosis is a cell death process that removes toxic and/or useless cells during mammalian development. The apoptotic process is accompanied by shrinkage and fragmentation of the cells and nuclei and degradation of the chromosomal DNA into nucleosomal units. DNA fragmentation factor (DFF) is a heterodimeric protein of 40-kD (DFFB) and 45-kD (DFFA) subunits. DFFA is the substrate for caspase-3 and triggers DNA fragmentation during apoptosis. DFF becomes activated when DFFA is cleaved by caspase-3. The cleaved fragments of DFFA dissociate from DFFB, the active component of DFF. DFFB has been found to trigger both DNA fragmentation and chromatin condensation during apoptosis. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene but the biological validity of some of these variants has not been determined. [provided by RefSeq, Sep 2013]
PHENOTYPE: Mice homozygous for a knock-out allele are viable, fertile and developmentally normal; however, mutant thymocytes and other cell types fail to undergo apoptotic DNA fragmentation in response to dexamethasone or other apoptotic stimuli. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acoxl A G 2: 127,917,804 (GRCm39) N216S probably damaging Het
Akap12 A G 10: 4,303,163 (GRCm39) D96G probably damaging Het
Akna A G 4: 63,286,440 (GRCm39) V1353A probably benign Het
Ambra1 A G 2: 91,730,877 (GRCm39) D914G probably damaging Het
Ap1s3 A G 1: 79,601,439 (GRCm39) V84A possibly damaging Het
Arhgef6 T C X: 56,325,623 (GRCm39) E282G probably damaging Het
C2cd2 G T 16: 97,677,590 (GRCm39) S378Y possibly damaging Het
Cd101 C A 3: 100,919,141 (GRCm39) A654S probably damaging Het
Cep295 A C 9: 15,262,209 (GRCm39) probably benign Het
Csn1s1 A G 5: 87,828,784 (GRCm39) I283V probably benign Het
Cst3 A G 2: 148,717,065 (GRCm39) probably benign Het
Cyp2b9 T C 7: 25,887,239 (GRCm39) probably null Het
Dnah10 A G 5: 124,898,351 (GRCm39) Y3711C probably damaging Het
Eif4g2 T C 7: 110,680,748 (GRCm39) S3G probably damaging Het
Erbb3 C T 10: 128,406,153 (GRCm39) R1088H probably benign Het
Evpl T C 11: 116,113,544 (GRCm39) D1382G probably damaging Het
Fam168a A G 7: 100,473,417 (GRCm39) D102G probably damaging Het
Fbxo7 A G 10: 85,869,161 (GRCm39) Y284C probably damaging Het
G6pd2 T C 5: 61,966,971 (GRCm39) Y249H probably damaging Het
Gm1123 A T 9: 98,891,443 (GRCm39) Y335* probably null Het
Gm5624 C T 14: 44,797,296 (GRCm39) probably null Het
Hectd1 A T 12: 51,844,635 (GRCm39) M536K possibly damaging Het
Ikbkg T A X: 73,487,433 (GRCm39) V334E probably benign Het
Ipo7 T C 7: 109,650,257 (GRCm39) L769P probably damaging Het
Jmjd1c A T 10: 67,061,640 (GRCm39) K1331I probably benign Het
Krt32 T C 11: 99,978,749 (GRCm39) K102E probably damaging Het
Lrrc34 A T 3: 30,699,394 (GRCm39) N20K probably benign Het
Lrrc47 A G 4: 154,100,471 (GRCm39) E349G probably benign Het
Mdn1 A G 4: 32,670,579 (GRCm39) I415V possibly damaging Het
Myh10 A G 11: 68,705,198 (GRCm39) probably null Het
Nbeal2 A G 9: 110,462,836 (GRCm39) S1376P probably damaging Het
Nfx1 T C 4: 40,976,345 (GRCm39) probably benign Het
Nherf4 G A 9: 44,160,948 (GRCm39) A206V probably benign Het
Notch3 A T 17: 32,377,252 (GRCm39) C246* probably null Het
Nr3c2 A G 8: 77,969,143 (GRCm39) Y976C probably damaging Het
Or51b17 A G 7: 103,542,696 (GRCm39) V82A probably damaging Het
Or52n4b T A 7: 108,143,846 (GRCm39) M36K probably damaging Het
Or5b122 A G 19: 13,563,112 (GRCm39) Y105C probably damaging Het
P2rx7 C T 5: 122,819,050 (GRCm39) R491C possibly damaging Het
Phex T A X: 155,966,823 (GRCm39) Y625F possibly damaging Het
Pkhd1 T C 1: 20,462,389 (GRCm39) D2055G probably damaging Het
Pmm2 T C 16: 8,463,227 (GRCm39) probably benign Het
Prdm15 T C 16: 97,640,539 (GRCm39) D16G probably damaging Het
Prune2 T A 19: 17,101,245 (GRCm39) C2250S probably benign Het
Rasgef1a T A 6: 118,057,443 (GRCm39) F48Y probably benign Het
Rhoq T C 17: 87,271,077 (GRCm39) V15A probably damaging Het
Rnf216 G A 5: 143,054,622 (GRCm39) A585V probably damaging Het
Septin9 T A 11: 117,181,488 (GRCm39) I96N probably damaging Het
Shprh T A 10: 11,070,101 (GRCm39) D1492E possibly damaging Het
Slc22a26 A T 19: 7,768,125 (GRCm39) probably null Het
Tek T G 4: 94,741,818 (GRCm39) probably null Het
Tenm3 T C 8: 48,741,051 (GRCm39) E782G probably damaging Het
Trmt5 A G 12: 73,328,001 (GRCm39) C401R probably benign Het
Tspear T G 10: 77,688,792 (GRCm39) probably benign Het
Ubr5 G A 15: 38,030,933 (GRCm39) T414I probably benign Het
Vcl A T 14: 21,069,453 (GRCm39) T710S probably damaging Het
Vmn2r25 A T 6: 123,816,392 (GRCm39) D396E probably damaging Het
Wtip A G 7: 33,818,094 (GRCm39) probably null Het
Zap70 A G 1: 36,817,887 (GRCm39) probably benign Het
Other mutations in Dffb
AlleleSourceChrCoordTypePredicted EffectPPH Score
R0243:Dffb UTSW 4 154,049,835 (GRCm39) nonsense probably null
R0244:Dffb UTSW 4 154,059,072 (GRCm39) missense probably benign 0.33
R2483:Dffb UTSW 4 154,049,976 (GRCm39) missense probably damaging 1.00
R3622:Dffb UTSW 4 154,049,976 (GRCm39) missense probably damaging 1.00
R3623:Dffb UTSW 4 154,049,976 (GRCm39) missense probably damaging 1.00
R3624:Dffb UTSW 4 154,049,976 (GRCm39) missense probably damaging 1.00
R4562:Dffb UTSW 4 154,049,913 (GRCm39) missense probably damaging 1.00
R4912:Dffb UTSW 4 154,049,864 (GRCm39) unclassified probably benign
R5015:Dffb UTSW 4 154,057,416 (GRCm39) missense possibly damaging 0.84
R5986:Dffb UTSW 4 154,050,050 (GRCm39) missense probably damaging 1.00
R6950:Dffb UTSW 4 154,054,549 (GRCm39) missense probably benign
R7395:Dffb UTSW 4 154,053,570 (GRCm39) missense probably damaging 1.00
R7986:Dffb UTSW 4 154,054,504 (GRCm39) missense probably damaging 0.99
R8731:Dffb UTSW 4 154,059,101 (GRCm39) missense possibly damaging 0.93
R8910:Dffb UTSW 4 154,057,416 (GRCm39) missense possibly damaging 0.84
R9709:Dffb UTSW 4 154,059,121 (GRCm39) missense probably damaging 1.00
Z1176:Dffb UTSW 4 154,057,300 (GRCm39) missense probably damaging 1.00
Posted On 2015-04-16