Incidental Mutation 'R6481:Def6'
ID 517137
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 044613-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6481 (G1)
Quality Score 139.008
Status Validated
Chromosome 17
Chromosomal Location 28426752-28447582 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 28445137 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 482 (R482H)
Ref Sequence ENSEMBL: ENSMUSP00000002327 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002327]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000002327
AA Change: R482H

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000002327
Gene: ENSMUSG00000002257
AA Change: R482H

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
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.3%
  • 20x: 95.2%
Validation Efficiency 100% (82/82)
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: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4931428L18Rik T C 1: 31,261,588 (GRCm39) probably benign Het
Aadacl2fm3 T C 3: 59,768,478 (GRCm39) Y3H probably benign Het
Abca9 G A 11: 110,056,788 (GRCm39) Q11* probably null Het
Abcc9 A T 6: 142,550,621 (GRCm39) M1273K probably damaging Het
Abi2 A G 1: 60,478,098 (GRCm39) probably null Het
Acsm5 A G 7: 119,134,104 (GRCm39) E295G probably benign Het
Anapc5 T C 5: 122,938,607 (GRCm39) D389G probably benign Het
Ano3 A T 2: 110,625,372 (GRCm39) D159E probably benign Het
Arhgap26 T A 18: 39,283,110 (GRCm39) M349K probably damaging Het
Arhgef39 A G 4: 43,498,580 (GRCm39) probably null Het
Astn1 T C 1: 158,440,032 (GRCm39) S867P probably benign Het
Atad3a A T 4: 155,838,098 (GRCm39) probably null Het
Cadm1 A T 9: 47,699,407 (GRCm39) D91V probably damaging Het
Cc2d2b T C 19: 40,790,839 (GRCm39) I933T possibly damaging Het
Cdcp3 A T 7: 130,858,530 (GRCm39) D1066V probably benign Het
Celsr3 C G 9: 108,714,283 (GRCm39) N1937K possibly damaging Het
Cic A C 7: 24,987,706 (GRCm39) T558P possibly damaging Het
Cntln A G 4: 84,985,747 (GRCm39) M933V probably benign Het
Coch T C 12: 51,644,956 (GRCm39) F170S probably damaging Het
Col1a2 A G 6: 4,538,680 (GRCm39) Y1200C unknown Het
Col26a1 T C 5: 136,773,032 (GRCm39) M383V probably benign Het
Col4a4 A T 1: 82,431,499 (GRCm39) M1595K unknown Het
Crh T C 3: 19,748,501 (GRCm39) E47G probably benign Het
D930020B18Rik T C 10: 121,497,053 (GRCm39) probably null Het
Dnah8 G A 17: 30,967,542 (GRCm39) D2585N probably benign Het
Dpagt1 T C 9: 44,242,487 (GRCm39) L241P probably damaging Het
E2f7 A G 10: 110,610,542 (GRCm39) E389G probably damaging Het
Eif2b1 T C 5: 124,715,174 (GRCm39) I53V probably benign Het
Fbxo4 A G 15: 3,995,216 (GRCm39) L376P probably damaging Het
Fgfr2 A G 7: 129,787,008 (GRCm39) S352P possibly damaging Het
Fkbpl C A 17: 34,864,388 (GRCm39) P52Q possibly damaging Het
Fry G A 5: 150,309,479 (GRCm39) R641H probably damaging Het
Fsip2 A G 2: 82,820,430 (GRCm39) T5388A possibly damaging Het
Gm12728 A G 4: 105,651,546 (GRCm39) K52R probably damaging Het
Gtf2a1l A G 17: 89,019,053 (GRCm39) D379G probably benign Het
Gys1 A T 7: 45,092,393 (GRCm39) Y332F possibly damaging Het
Hoxa7 T A 6: 52,193,594 (GRCm39) probably benign Het
Ifitm1 G A 7: 140,549,519 (GRCm39) V101I probably benign Het
Kalrn T A 16: 34,181,354 (GRCm39) T95S probably damaging Het
Leng8 A G 7: 4,148,412 (GRCm39) Y728C probably damaging Het
Lonp2 G T 8: 87,361,536 (GRCm39) D238Y possibly damaging Het
Ltn1 A C 16: 87,175,868 (GRCm39) S1757A probably damaging Het
Man2a2 A T 7: 80,013,819 (GRCm39) S411T probably damaging Het
Mrps33 C A 6: 39,782,304 (GRCm39) probably null Het
Muc16 C T 9: 18,461,973 (GRCm39) probably null Het
Muc5ac A G 7: 141,362,808 (GRCm39) probably benign Het
Naip2 A C 13: 100,298,549 (GRCm39) S496A probably benign Het
Or10al6 T G 17: 38,083,194 (GRCm39) F217V probably damaging Het
Or13p8 A G 4: 118,583,930 (GRCm39) Y162C probably damaging Het
Or1j21 T A 2: 36,683,789 (GRCm39) D180E possibly damaging Het
Or4c106 A T 2: 88,682,863 (GRCm39) T190S probably damaging Het
Or55b10 A T 7: 102,143,346 (GRCm39) V212D probably damaging Het
Or5w17 T C 2: 87,583,812 (GRCm39) N175S probably damaging Het
Pag1 T A 3: 9,764,396 (GRCm39) E252D possibly damaging Het
Plcd3 T C 11: 102,968,593 (GRCm39) Y366C probably damaging Het
Psg17 A C 7: 18,548,375 (GRCm39) S465R probably damaging Het
Ptpn9 G T 9: 56,930,324 (GRCm39) V50L probably damaging Het
Rab17 T G 1: 90,886,683 (GRCm39) S190R probably benign Het
Samd11 A G 4: 156,333,535 (GRCm39) probably null Het
Slc17a5 A G 9: 78,445,553 (GRCm39) F434S possibly damaging Het
Slc22a15 A G 3: 101,790,899 (GRCm39) I202T possibly damaging Het
Slc8a1 G T 17: 81,696,347 (GRCm39) Q896K probably benign Het
Slc9a5 A T 8: 106,085,025 (GRCm39) K509* probably null Het
Slf2 A C 19: 44,961,603 (GRCm39) M1041L probably benign Het
Smn1 A G 13: 100,265,008 (GRCm39) probably null Het
Snx9 T C 17: 5,972,484 (GRCm39) probably null Het
Soat2 T A 15: 102,070,490 (GRCm39) L431Q probably damaging Het
Spam1 T A 6: 24,796,929 (GRCm39) N293K probably benign Het
Tatdn1 T C 15: 58,795,760 (GRCm39) T66A possibly damaging Het
Tmprss11g A T 5: 86,640,015 (GRCm39) S205T probably benign Het
Tnpo3 G T 6: 29,571,100 (GRCm39) N431K possibly damaging Het
Trim39 T C 17: 36,579,554 (GRCm39) T31A probably benign Het
Trmt9b T C 8: 36,965,637 (GRCm39) probably null Het
Tshz3 A G 7: 36,451,764 (GRCm39) probably null Het
Ttll11 G A 2: 35,792,766 (GRCm39) T359M probably damaging Het
Ttn T G 2: 76,571,843 (GRCm39) D26350A probably damaging Het
Ubr4 G T 4: 139,159,062 (GRCm39) V2472F probably damaging Het
Vsx2 C T 12: 84,639,878 (GRCm39) P265S probably benign Het
Wdr90 C T 17: 26,064,885 (GRCm39) G1708R probably damaging Het
Wnt11 A G 7: 98,502,481 (GRCm39) Y351C probably damaging Het
Xpo6 A C 7: 125,712,057 (GRCm39) N3K probably damaging Het
Zfp445 A G 9: 122,686,631 (GRCm39) S165P probably benign Het
Zfp953 A T 13: 67,496,001 (GRCm39) Y13* probably null Het
Zftraf1 T C 15: 76,542,908 (GRCm39) probably null 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
R2432:Def6 UTSW 17 28,447,043 (GRCm39) missense probably benign 0.03
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
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'- GGAAGCTCTGCAACTAGAGG -3'
(R):5'- CTAAGCTTGTTCTGTAGTGGTAACG -3'

Sequencing Primer
(F):5'- CTCTGCAACTAGAGGTGAAAGC -3'
(R):5'- TGCTTCCTCTCACAGATAAGAG -3'
Posted On 2018-05-21