Incidental Mutation 'R6805:Def6'
ID533558
Institutional Source Beutler Lab
Gene Symbol Def6
Ensembl Gene ENSMUSG00000002257
Gene Namedifferentially expressed in FDCP 6
SynonymsIBP, SLAT, 6430538D02Rik, IRF-4-binding protein, 2410003F05Rik
MMRRC Submission
Accession Numbers
Is this an essential gene? Non essential (E-score: 0.000) question?
Stock #R6805 (G1)
Quality Score158.009
Status Validated
Chromosome17
Chromosomal Location28207778-28228608 bp(+) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) A to G at 28223717 bp
ZygosityHeterozygous
Amino Acid Change Threonine to Alanine at position 285 (T285A)
Ref Sequence ENSEMBL: ENSMUSP00000002327 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002327]
Predicted Effect probably damaging
Transcript: ENSMUST00000002327
AA Change: T285A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000002327
Gene: ENSMUSG00000002257
AA Change: T285A

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: 99.7%
  • 10x: 98.8%
  • 20x: 97.1%
Validation Efficiency 98% (62/63)
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2410089E03Rik T C 15: 8,244,306 V2591A probably benign Het
4930407I10Rik A G 15: 82,062,543 T214A possibly damaging Het
A930009A15Rik G T 10: 115,579,905 probably benign Het
Aadac A C 3: 60,037,336 D143A probably benign Het
Acot10 T G 15: 20,665,366 T430P probably benign Het
Adgrb3 T C 1: 25,826,172 T197A possibly damaging Het
B230118H07Rik T C 2: 101,566,459 K192E probably benign Het
Bbs1 A G 19: 4,900,615 I200T probably damaging Het
C1ra G A 6: 124,517,725 E316K probably benign Het
Cadps G A 14: 12,467,103 A943V probably damaging Het
Cc2d2a A G 5: 43,681,331 E48G probably damaging Het
Clca1 A T 3: 145,018,667 C211S probably damaging Het
Col18a1 A G 10: 77,054,239 L1429P probably damaging Het
Cul2 T G 18: 3,421,263 Y196D probably damaging Het
D630023F18Rik T C 1: 65,117,206 S43G probably benign Het
Ddx39 G A 8: 83,723,137 R427Q probably damaging Het
Defb21 T A 2: 152,574,869 D88E probably benign Het
Defb6 A G 8: 19,228,101 K63R probably benign Het
Dnph1 T C 17: 46,498,744 S112P probably damaging Het
Dock10 T A 1: 80,586,690 I467L probably benign Het
Dspp C A 5: 104,175,850 H286Q probably benign Het
Eya1 T A 1: 14,183,277 T459S probably benign Het
Faf1 T C 4: 109,861,852 L385P probably damaging Het
Fbxw21 C A 9: 109,157,565 R82L probably damaging Het
Fryl A G 5: 73,065,094 V2048A probably benign Het
Galnt5 A T 2: 58,035,299 D864V possibly damaging Het
Gata6 T G 18: 11,054,460 S130A possibly damaging Het
Gbf1 G T 19: 46,262,507 R434L probably damaging Het
Gga3 A G 11: 115,585,762 F709L probably damaging Het
Hcar1 A G 5: 123,879,130 V166A probably benign Het
Hexa T A 9: 59,563,937 N491K possibly damaging Het
Hpse2 A T 19: 43,294,321 C164* probably null Het
Ifi202b T C 1: 173,974,989 Y93C probably damaging Het
Iscu T A 5: 113,775,243 I79N probably damaging Het
Jmjd7 T A 2: 120,031,323 Y182* probably null Het
Jup A T 11: 100,383,458 D135E probably benign Het
Kit T A 5: 75,652,808 I881N probably damaging Het
Llgl1 T A 11: 60,702,865 S55T probably benign Het
Lonp2 G A 8: 86,709,096 M653I probably benign Het
Lrp8 T C 4: 107,854,320 Y307H probably damaging Het
Med13 A T 11: 86,278,796 M1914K possibly damaging Het
Ms4a1 A G 19: 11,253,173 probably null Het
Naip1 A G 13: 100,427,341 S439P probably benign Het
Nrg1 T C 8: 31,821,264 R476G probably damaging Het
Olfr1129 T A 2: 87,574,918 probably null Het
Olfr835 G T 9: 19,035,301 M59I probably damaging Het
Pds5b T A 5: 150,805,561 probably null Het
Phf12 G A 11: 78,027,373 G804R probably damaging Het
Pou6f2 T C 13: 18,239,489 T234A Het
Prune2 A T 19: 17,120,590 I1153L probably benign Het
Ptprc C T 1: 138,067,885 probably null Het
Qpctl T C 7: 19,149,154 Q11R probably benign Het
Rfx4 A G 10: 84,840,228 K103E possibly damaging Het
Srcin1 T A 11: 97,551,980 probably null Het
St6galnac1 G T 11: 116,768,944 A181D probably damaging Het
Stk36 T C 1: 74,622,239 V475A probably benign Het
Tbc1d21 T C 9: 58,361,288 T263A possibly damaging Het
Tex24 A T 8: 27,345,000 K185N probably damaging Het
Tnxb T A 17: 34,698,153 V2174E possibly damaging Het
Tollip A G 7: 141,890,845 S57P probably benign Het
Zbtb49 A G 5: 38,213,241 probably benign Het
Zfp758 A G 17: 22,361,669 T30A probably benign Het
Other mutations in Def6
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01603:Def6 APN 17 28219740 splice site probably benign
IGL01619:Def6 APN 17 28207864 missense probably damaging 1.00
IGL01737:Def6 APN 17 28223727 missense possibly damaging 0.94
IGL02550:Def6 APN 17 28228261 missense probably benign 0.03
R0013:Def6 UTSW 17 28217092 missense probably damaging 1.00
R0335:Def6 UTSW 17 28228069 missense possibly damaging 0.83
R0357:Def6 UTSW 17 28223935 missense probably damaging 1.00
R0373:Def6 UTSW 17 28220180 missense probably damaging 0.96
R1161:Def6 UTSW 17 28217619 missense probably benign 0.00
R1310:Def6 UTSW 17 28217619 missense probably benign 0.00
R1470:Def6 UTSW 17 28225982 missense possibly damaging 0.67
R1470:Def6 UTSW 17 28225982 missense possibly damaging 0.67
R1636:Def6 UTSW 17 28223918 missense possibly damaging 0.95
R1778:Def6 UTSW 17 28220186 missense probably benign 0.02
R2432:Def6 UTSW 17 28228069 missense probably benign 0.03
R3881:Def6 UTSW 17 28220215 missense probably damaging 1.00
R4402:Def6 UTSW 17 28219976 missense probably damaging 0.99
R4589:Def6 UTSW 17 28228147 missense probably benign
R4683:Def6 UTSW 17 28217635 missense probably damaging 0.99
R5704:Def6 UTSW 17 28228226 missense probably benign
R6481:Def6 UTSW 17 28226163 missense probably benign 0.00
R7029:Def6 UTSW 17 28225969 missense probably benign 0.05
R7863:Def6 UTSW 17 28227867 missense possibly damaging 0.62
R8229:Def6 UTSW 17 28217755 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ACCATGCATACTCCTGGCAG -3'
(R):5'- TTTCAGGTCCTTGTGCAGC -3'

Sequencing Primer
(F):5'- ATGCATACTCCTGGCAGGGTAG -3'
(R):5'- ATCGCAGTCTGGATGGCTAAG -3'
Posted On2018-09-12