Mutagenetix > Incidental Mutation

Incidental Mutation 'R0244:Dffb'

37956

Institutional Source

Beutler Lab

Gene Symbol

Dffb

Ensembl Gene

ENSMUSG00000029027

Gene Name

DNA fragmentation factor, beta subunit

Synonyms

Didff, caspase-activated DNase, CAD, 5730477D02Rik, CPAN, 40kDa, DFF40

MMRRC Submission

038482-MU

Accession Numbers

Essential gene?

Non essential (E-score: 0.000) question?

Stock #

R0244 (G1)

Quality Score

225

Status

Validated

Chromosome

Chromosomal Location

154048904-154059578 bp(-) (GRCm39)

Type of Mutation

missense

DNA Base Change (assembly)

G to T at 154059072 bp (GRCm39)

Zygosity

Heterozygous

Amino Acid Change

Asparagine to Lysine at position 68 (N68K)

Ref Sequence

ENSEMBL: ENSMUSP00000030893 (fasta)

Gene Model

predicted gene model for transcript(s): [ENSMUST00000030893] [ENSMUST00000047497] [ENSMUST00000133607]

AlphaFold

O54788

PDB Structure

NMR STRUCTURE OF THE CAD DOMAIN OF CASPASE-ACTIVATED DNASE [SOLUTION NMR]
NMR STRUCTURE OF THE HETERODIMERIC COMPLEX BETWEEN CAD DOMAINS OF CAD AND ICAD [SOLUTION NMR]
CRYSTAL STRUCTURE OF CASPASE-ACTIVATED DNASE (CAD) [X-RAY DIFFRACTION]

Predicted Effect

probably benign
Transcript: ENSMUST00000030893
AA Change: N68K

PolyPhen 2 Score 0.329 (Sensitivity: 0.90; Specificity: 0.89)

SMART Domains

Protein: ENSMUSP00000030893
Gene: ENSMUSG00000029027
AA Change: N68K

Domain	Start	End	E-Value	Type
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: ENSMUST00000047497

SMART Domains

Protein: ENSMUSP00000040762
Gene: ENSMUSG00000039523

Domain	Start	End	E-Value	Type
coiled coil region	222	249	N/A	INTRINSIC
low complexity region	288	301	N/A	INTRINSIC
low complexity region	307	320	N/A	INTRINSIC
SCOP:d1gw5b_	523	646	3e-5	SMART
coiled coil region	688	730	N/A	INTRINSIC
low complexity region	889	903	N/A	INTRINSIC

Predicted Effect

probably benign
Transcript: ENSMUST00000133607
AA Change: N68K

PolyPhen 2 Score 0.239 (Sensitivity: 0.91; Specificity: 0.88)

Predicted Effect

noncoding transcript
Transcript: ENSMUST00000142671

Predicted Effect

noncoding transcript
Transcript: ENSMUST00000154458

Predicted Effect

noncoding transcript
Transcript: ENSMUST00000219093

Meta Mutation Damage Score

0.0898

Coding Region Coverage

1x: 99.2%
3x: 98.5%
10x: 96.9%
20x: 94.5%

Validation Efficiency

99% (88/89)

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: 89 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
Adamdec1	A	T	14: 68,806,172 (GRCm39)	C434*	probably null	Het
Adprhl1	A	G	8: 13,292,391 (GRCm39)		probably benign	Het
Ago1	T	A	4: 126,357,499 (GRCm39)	I59F	possibly damaging	Het
Arel1	T	C	12: 84,967,467 (GRCm39)	T786A	probably damaging	Het
Arhgap26	A	G	18: 39,496,184 (GRCm39)	K117R	probably benign	Het
Atp6v0b	C	T	4: 117,741,819 (GRCm39)	G204D	probably damaging	Het
Bace2	T	A	16: 97,237,973 (GRCm39)		probably null	Het
Bltp2	T	A	11: 78,177,317 (GRCm39)		probably null	Het
Camk4	G	A	18: 33,312,678 (GRCm39)		probably null	Het
Cdh26	C	T	2: 178,123,425 (GRCm39)	R675C	possibly damaging	Het
Cep152	T	C	2: 125,406,134 (GRCm39)	E1466G	probably benign	Het
Ces3b	T	C	8: 105,819,267 (GRCm39)	F441S	probably damaging	Het
Cfap52	T	C	11: 67,817,208 (GRCm39)	T562A	possibly damaging	Het
Clca3a2	C	A	3: 144,519,659 (GRCm39)	M238I	possibly damaging	Het
Cntnap5c	A	T	17: 58,409,163 (GRCm39)	D467V	probably damaging	Het
Col7a1	T	A	9: 108,801,252 (GRCm39)		probably null	Het
Cstf1	A	G	2: 172,219,630 (GRCm39)	N247S	possibly damaging	Het
Dnaaf10	T	C	11: 17,179,851 (GRCm39)	L284P	probably damaging	Het
Duox2	C	T	2: 122,122,341 (GRCm39)	G595S	probably benign	Het
Eftud2	T	A	11: 102,755,551 (GRCm39)	I228F	probably damaging	Het
Elmo3	T	C	8: 106,035,803 (GRCm39)	V578A	probably benign	Het
Elp2	A	G	18: 24,764,528 (GRCm39)	D625G	possibly damaging	Het
Ep300	C	T	15: 81,524,329 (GRCm39)	P1386S	unknown	Het
Fam120b	A	G	17: 15,637,899 (GRCm39)	D610G	probably damaging	Het
Fastk	A	T	5: 24,647,176 (GRCm39)		probably benign	Het
Fbxl6	A	G	15: 76,421,391 (GRCm39)	S252P	probably damaging	Het
Fbxo43	T	C	15: 36,161,939 (GRCm39)	K423E	probably damaging	Het
Filip1	T	A	9: 79,726,744 (GRCm39)	E625V	possibly damaging	Het
Fkbp9	T	A	6: 56,833,363 (GRCm39)	Y283*	probably null	Het
Gigyf2	T	A	1: 87,306,737 (GRCm39)	D142E	possibly damaging	Het
Gm10142	T	C	10: 77,551,848 (GRCm39)		probably null	Het
Golga5	T	C	12: 102,442,447 (GRCm39)	V262A	probably benign	Het
Hectd4	T	C	5: 121,467,668 (GRCm39)	V2539A	probably benign	Het
Ica1	G	T	6: 8,653,632 (GRCm39)	S335*	probably null	Het
Itga1	A	T	13: 115,143,433 (GRCm39)		probably benign	Het
Itgb1	T	C	8: 129,444,166 (GRCm39)		probably benign	Het
Itpr1	G	A	6: 108,450,550 (GRCm39)	V1960I	probably benign	Het
Kcnh4	C	T	11: 100,637,758 (GRCm39)	G633E	probably benign	Het
Kprp	C	T	3: 92,732,718 (GRCm39)	V111I	probably benign	Het
Lamc3	T	C	2: 31,830,733 (GRCm39)	I1490T	probably damaging	Het
Lcp1	A	T	14: 75,464,441 (GRCm39)	D554V	possibly damaging	Het
Lgi3	A	G	14: 70,772,138 (GRCm39)	T228A	probably benign	Het
Lipa	A	T	19: 34,478,941 (GRCm39)	F260I	probably damaging	Het
Lrriq1	C	T	10: 103,051,634 (GRCm39)	E373K	probably damaging	Het
Map6	G	A	7: 98,986,043 (GRCm39)	G649D	probably benign	Het
Mccc1	A	G	3: 36,044,196 (GRCm39)		probably null	Het
Mical3	A	T	6: 120,934,683 (GRCm39)	S1799T	probably benign	Het
Mmp23	T	A	4: 155,736,589 (GRCm39)	T151S	probably damaging	Het
Myo1d	T	A	11: 80,565,534 (GRCm39)	N401I	probably damaging	Het
Myo9b	T	A	8: 71,774,457 (GRCm39)	S323T	probably damaging	Het
Nbn	G	T	4: 15,979,353 (GRCm39)	W446L	probably benign	Het
Nedd1	A	T	10: 92,552,127 (GRCm39)		probably benign	Het
Ngef	C	A	1: 87,415,684 (GRCm39)		probably benign	Het
Nup153	A	T	13: 46,847,412 (GRCm39)	N672K	probably benign	Het
Or10d1b	T	A	9: 39,613,469 (GRCm39)	I199F	probably damaging	Het
Or2z8	C	T	8: 72,812,244 (GRCm39)	T240M	probably damaging	Het
Or4e2	T	C	14: 52,687,969 (GRCm39)	V33A	probably benign	Het
Or4f57	T	C	2: 111,791,361 (GRCm39)	N19S	probably benign	Het
Pakap	T	G	4: 57,710,177 (GRCm39)	V374G	possibly damaging	Het
Pdlim3	C	A	8: 46,361,497 (GRCm39)		probably benign	Het
Pmfbp1	G	A	8: 110,268,305 (GRCm39)	E951K	probably damaging	Het
Pop1	T	A	15: 34,516,037 (GRCm39)	C548*	probably null	Het
Ppp1r16a	C	T	15: 76,574,999 (GRCm39)		probably benign	Het
Ptpdc1	A	T	13: 48,739,456 (GRCm39)	N658K	probably benign	Het
Ptprk	A	C	10: 28,082,221 (GRCm39)	E63D	possibly damaging	Het
Rtf1	C	T	2: 119,563,358 (GRCm39)	R712W	probably damaging	Het
Samd7	A	C	3: 30,805,222 (GRCm39)	T2P	probably benign	Het
Sft2d1	A	G	17: 8,538,254 (GRCm39)	T52A	probably benign	Het
Slc25a26	A	G	6: 94,487,814 (GRCm39)	H91R	probably damaging	Het
Slc5a4a	A	G	10: 76,024,986 (GRCm39)	E621G	possibly damaging	Het
Slf1	A	T	13: 77,274,751 (GRCm39)	L28*	probably null	Het
Snapc1	C	T	12: 74,021,806 (GRCm39)	R81C	probably damaging	Het
Sorcs2	G	A	5: 36,554,897 (GRCm39)		probably benign	Het
Tacc2	T	C	7: 130,353,555 (GRCm39)		probably benign	Het
Tas2r140	A	G	6: 133,032,290 (GRCm39)	V156A	possibly damaging	Het
Terf2ip	C	A	8: 112,744,796 (GRCm39)	T371K	possibly damaging	Het
Tifa	C	T	3: 127,590,537 (GRCm39)	L103F	probably damaging	Het
Tmco3	A	G	8: 13,342,037 (GRCm39)	N104D	probably damaging	Het
Tmem259	T	A	10: 79,814,797 (GRCm39)	D240V	probably damaging	Het
Trim60	C	T	8: 65,453,700 (GRCm39)	R183H	probably benign	Het
Trps1	T	C	15: 50,528,139 (GRCm39)	N725D	probably damaging	Het
Ttn	C	T	2: 76,645,150 (GRCm39)	V12902M	probably damaging	Het
Ubxn4	G	A	1: 128,190,641 (GRCm39)	E256K	probably benign	Het
Unc79	A	G	12: 103,079,150 (GRCm39)	K1772E	probably damaging	Het
Vwde	C	T	6: 13,193,125 (GRCm39)	V405I	probably benign	Het
Wdr18	T	A	10: 79,802,242 (GRCm39)	D290E	probably damaging	Het
Wwc2	G	A	8: 48,353,756 (GRCm39)	A126V	probably benign	Het
Zfp882	A	T	8: 72,667,367 (GRCm39)	I105F	possibly damaging	Het
Zfp942	A	T	17: 22,147,553 (GRCm39)	C359S	probably benign	Het

Other mutations in Dffb

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH Score
IGL02502:Dffb	APN	4	154,050,073 (GRCm39)	unclassified	probably benign
R0243:Dffb	UTSW	4	154,049,835 (GRCm39)	nonsense	probably null
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

Predicted Primers

PCR Primer
(F):5'- GCTTTTGGCATTCAGAGCCTTTAACC -3'
(R):5'- AAGTTGCGAGCCCTACATAGCG -3'

Sequencing Primer
(F):5'- AACCAGATCTTCTGGGTTCCTG -3'
(R):5'- TACATAGCGCCTGCAAGTTC -3'

Posted On

2013-05-23