Incidental Mutation 'R2432:Def6'
ID 250473
Institutional Source Beutler Lab
Gene Symbol Def6
Ensembl Gene ENSMUSG00000002257
Gene Name differentially expressed in FDCP 6
Synonyms SLAT, 2410003F05Rik, 6430538D02Rik, IRF-4-binding protein, IBP
MMRRC Submission 040393-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2432 (G1)
Quality Score 225
Status Validated
Chromosome 17
Chromosomal Location 28426752-28447582 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 28447043 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 558 (D558V)
Ref Sequence ENSEMBL: ENSMUSP00000002327 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002320] [ENSMUST00000002327]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000002320
SMART Domains Protein: ENSMUSP00000002320
Gene: ENSMUSG00000002250

DomainStartEndE-ValueType
low complexity region 2 18 N/A INTRINSIC
ZnF_C4 70 140 1.58e-33 SMART
Blast:HOLI 183 208 1e-6 BLAST
HOLI 250 409 1.36e-23 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000002327
AA Change: D558V

PolyPhen 2 Score 0.032 (Sensitivity: 0.95; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000002327
Gene: ENSMUSG00000002257
AA Change: D558V

DomainStartEndE-ValueType
low complexity region 145 166 N/A INTRINSIC
PH 217 314 3.87e-20 SMART
coiled coil region 318 551 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000123020
Predicted Effect noncoding transcript
Transcript: ENSMUST00000142226
Predicted Effect noncoding transcript
Transcript: ENSMUST00000166744
Meta Mutation Damage Score 0.0905 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.5%
Validation Efficiency 100% (53/53)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] DEF6, or IBP, is a guanine nucleotide exchange factor (GEF) for RAC (MIM 602048) and CDC42 (MIM 116952) that is highly expressed in B and T cells (Gupta et al., 2003 [PubMed 12923183]).[supplied by OMIM, Mar 2008]
PHENOTYPE: Homozygous mutants spontaneously develop systemic autoimmunity. Females primarily are affected, displaying hypergammaglobulinemia, accumulation of effector/memory T cells and IgG+ B cells, and production of autoantibodies [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 T C 11: 9,401,333 (GRCm39) probably benign Het
Adamts6 A T 13: 104,563,485 (GRCm39) Y659F probably benign Het
Adamts9 C A 6: 92,834,881 (GRCm39) G750W probably damaging Het
Adgrv1 GA GAA 13: 81,688,251 (GRCm39) probably null Het
Aspscr1 A G 11: 120,593,392 (GRCm39) probably benign Het
Calr3 A G 8: 73,192,270 (GRCm39) probably benign Het
Cpt2 A T 4: 107,761,723 (GRCm39) Y126* probably null Het
Cyp2d34 A G 15: 82,503,212 (GRCm39) L94P probably damaging Het
Dnase1l2 G A 17: 24,661,699 (GRCm39) T20I possibly damaging Het
Eif5b A G 1: 38,058,423 (GRCm39) K242E unknown Het
Golim4 T C 3: 75,799,249 (GRCm39) N478S possibly damaging Het
Helb A T 10: 119,941,442 (GRCm39) D415E probably benign Het
Ifna12 T A 4: 88,521,590 (GRCm39) probably benign Het
Jhy T A 9: 40,872,182 (GRCm39) H109L probably benign Het
Krt87 A T 15: 101,386,037 (GRCm39) Y241* probably null Het
Macf1 G T 4: 123,577,789 (GRCm39) A65E probably damaging Het
Mug2 C A 6: 122,061,335 (GRCm39) N1418K possibly damaging Het
Myo1f A G 17: 33,794,823 (GRCm39) D21G probably damaging Het
Myo5a T A 9: 75,120,155 (GRCm39) I1651N possibly damaging Het
Notch3 A T 17: 32,372,778 (GRCm39) C598S probably damaging Het
Npat A T 9: 53,469,435 (GRCm39) H307L probably damaging Het
Nr1h2 T C 7: 44,200,791 (GRCm39) Q279R possibly damaging Het
Or4k52 T C 2: 111,611,016 (GRCm39) V117A probably benign Het
Or6c6c A G 10: 129,540,794 (GRCm39) T16A possibly damaging Het
Pcdhb16 A T 18: 37,612,983 (GRCm39) N648Y probably damaging Het
Pdzrn3 G T 6: 101,127,752 (GRCm39) S971R probably damaging Het
Plch2 A G 4: 155,070,621 (GRCm39) *494Q probably null Het
Plekhg4 T A 8: 106,108,468 (GRCm39) D1170E probably benign Het
Plekhm3 A G 1: 64,977,015 (GRCm39) S152P probably damaging Het
Ppargc1b G A 18: 61,440,870 (GRCm39) P683S possibly damaging Het
Prdm12 T G 2: 31,541,864 (GRCm39) M191R probably benign Het
Prdm14 T C 1: 13,195,857 (GRCm39) D68G probably benign Het
Prp2 C T 6: 132,576,874 (GRCm39) P54S unknown Het
Prpf4b A G 13: 35,067,324 (GRCm39) probably benign Het
Ptprk T A 10: 28,468,840 (GRCm39) V1408E probably damaging Het
Rap1gds1 A G 3: 138,662,011 (GRCm39) M415T probably damaging Het
Rps6ka5 A G 12: 100,520,664 (GRCm39) F621S probably damaging Het
Rrm1 T A 7: 102,092,279 (GRCm39) D35E probably benign Het
Rxfp3 T C 15: 11,036,226 (GRCm39) H382R probably damaging Het
Slc11a1 A G 1: 74,422,910 (GRCm39) probably benign Het
Slc25a13 A T 6: 6,114,017 (GRCm39) M285K probably benign Het
Slc30a3 T C 5: 31,246,038 (GRCm39) S231G probably damaging Het
Slc44a2 A T 9: 21,256,130 (GRCm39) I274F probably damaging Het
Tas2r119 A G 15: 32,178,165 (GRCm39) I244V possibly damaging Het
Tenm2 C A 11: 35,918,018 (GRCm39) R1914L probably damaging Het
Tfdp2 T C 9: 96,192,643 (GRCm39) M242T probably damaging Het
Tmprss6 A G 15: 78,349,304 (GRCm39) probably benign Het
Ttc6 C T 12: 57,668,821 (GRCm39) P421L possibly damaging Het
Usp16 T A 16: 87,263,246 (GRCm39) probably null Het
Usp40 T C 1: 87,909,804 (GRCm39) E550G probably benign Het
Vmn2r28 T C 7: 5,491,701 (GRCm39) Y182C probably damaging Het
Zfp382 A G 7: 29,833,174 (GRCm39) D275G probably benign Het
Other mutations in Def6
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01603:Def6 APN 17 28,438,714 (GRCm39) splice site probably benign
IGL01619:Def6 APN 17 28,426,838 (GRCm39) missense probably damaging 1.00
IGL01737:Def6 APN 17 28,442,701 (GRCm39) missense possibly damaging 0.94
IGL02550:Def6 APN 17 28,447,235 (GRCm39) missense probably benign 0.03
Huntsville UTSW 17 28,438,950 (GRCm39) missense probably damaging 0.99
Redstone UTSW 17 28,436,729 (GRCm39) missense probably damaging 1.00
Silos UTSW 17 28,436,066 (GRCm39) missense probably damaging 1.00
R0013:Def6 UTSW 17 28,436,066 (GRCm39) missense probably damaging 1.00
R0335:Def6 UTSW 17 28,447,043 (GRCm39) missense possibly damaging 0.83
R0357:Def6 UTSW 17 28,442,909 (GRCm39) missense probably damaging 1.00
R0373:Def6 UTSW 17 28,439,154 (GRCm39) missense probably damaging 0.96
R1161:Def6 UTSW 17 28,436,593 (GRCm39) missense probably benign 0.00
R1310:Def6 UTSW 17 28,436,593 (GRCm39) missense probably benign 0.00
R1470:Def6 UTSW 17 28,444,956 (GRCm39) missense possibly damaging 0.67
R1470:Def6 UTSW 17 28,444,956 (GRCm39) missense possibly damaging 0.67
R1636:Def6 UTSW 17 28,442,892 (GRCm39) missense possibly damaging 0.95
R1778:Def6 UTSW 17 28,439,160 (GRCm39) missense probably benign 0.02
R3881:Def6 UTSW 17 28,439,189 (GRCm39) missense probably damaging 1.00
R4402:Def6 UTSW 17 28,438,950 (GRCm39) missense probably damaging 0.99
R4589:Def6 UTSW 17 28,447,121 (GRCm39) missense probably benign
R4683:Def6 UTSW 17 28,436,609 (GRCm39) missense probably damaging 0.99
R5704:Def6 UTSW 17 28,447,200 (GRCm39) missense probably benign
R6481:Def6 UTSW 17 28,445,137 (GRCm39) missense probably benign 0.00
R6805:Def6 UTSW 17 28,442,691 (GRCm39) missense probably damaging 1.00
R7029:Def6 UTSW 17 28,444,943 (GRCm39) missense probably benign 0.05
R7863:Def6 UTSW 17 28,446,841 (GRCm39) missense possibly damaging 0.62
R8229:Def6 UTSW 17 28,436,729 (GRCm39) missense probably damaging 1.00
R8856:Def6 UTSW 17 28,435,972 (GRCm39) missense probably damaging 1.00
R9297:Def6 UTSW 17 28,436,714 (GRCm39) missense probably damaging 1.00
R9671:Def6 UTSW 17 28,438,755 (GRCm39) missense probably benign 0.04
R9684:Def6 UTSW 17 28,436,044 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AGATGAACAGGCTCATGCATC -3'
(R):5'- TCTTCCTGAGAGGCCAAAGC -3'

Sequencing Primer
(F):5'- TCATGCATCCGATCGAGC -3'
(R):5'- CAAAGCTAGGATGGGAGTCTCATCTC -3'
Posted On 2014-11-12