Incidental Mutation 'R9684:Def6'
ID 728768
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
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R9684 (G1)
Quality Score 225.009
Status Not validated
Chromosome 17
Chromosomal Location 28426752-28447582 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 28436044 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 68 (Y68H)
Ref Sequence ENSEMBL: ENSMUSP00000002327 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002327]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000002327
AA Change: Y68H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000002327
Gene: ENSMUSG00000002257
AA Change: Y68H

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 A T 11: 9,283,307 (GRCm39) D3243V probably damaging Het
Acot3 T C 12: 84,105,650 (GRCm39) L281P probably benign Het
Asb4 A C 6: 5,398,296 (GRCm39) H87P probably damaging Het
Ccnt1 A T 15: 98,446,566 (GRCm39) Y175N probably damaging Het
Cdh11 A G 8: 103,391,327 (GRCm39) V303A probably benign Het
Cdk19 T A 10: 40,351,594 (GRCm39) M297K probably damaging Het
Ces2c A C 8: 105,574,699 (GRCm39) D52A probably benign Het
Cox10 C T 11: 63,855,207 (GRCm39) R358H probably damaging Het
Cryzl1 A G 16: 91,487,634 (GRCm39) I302T probably benign Het
Dolpp1 A G 2: 30,285,748 (GRCm39) I49V possibly damaging Het
Ehmt1 T C 2: 24,753,329 (GRCm39) D357G possibly damaging Het
Ermp1 G T 19: 29,594,106 (GRCm39) T688N probably benign Het
F830016B08Rik T C 18: 60,433,043 (GRCm39) I42T probably damaging Het
Gbp7 A G 3: 142,240,327 (GRCm39) E15G possibly damaging Het
Ghdc A G 11: 100,661,091 (GRCm39) S25P probably benign Het
Gm45861 A G 8: 28,014,601 (GRCm39) N613S unknown Het
Grip1 G A 10: 119,874,569 (GRCm39) E778K possibly damaging Het
Gzmf T A 14: 56,444,444 (GRCm39) D43V probably benign Het
Hdac10 C A 15: 89,011,402 (GRCm39) D172Y probably damaging Het
Krt32 T A 11: 99,977,308 (GRCm39) R197S probably damaging Het
Lama5 T C 2: 179,849,038 (GRCm39) D215G probably damaging Het
M1ap C A 6: 82,945,094 (GRCm39) H129Q probably benign Het
Mfsd3 A G 15: 76,587,183 (GRCm39) D312G probably benign Het
Muc5ac A G 7: 141,364,798 (GRCm39) D2628G probably benign Het
Myoz3 T C 18: 60,712,026 (GRCm39) D184G possibly damaging Het
Ncor2 A G 5: 125,102,139 (GRCm39) L1217P Het
Nepn T C 10: 52,276,801 (GRCm39) V179A probably benign Het
Niban1 T A 1: 151,593,538 (GRCm39) I741N possibly damaging Het
Npr2 T C 4: 43,632,491 (GRCm39) Y103H probably damaging Het
Oosp3 A T 19: 11,682,806 (GRCm39) K158M probably benign Het
Or51i1 C A 7: 103,671,079 (GRCm39) G149C probably damaging Het
Or56a3 A G 7: 104,735,589 (GRCm39) Y222C Het
Orc3 G A 4: 34,607,135 (GRCm39) T65I probably benign Het
Pcdhga7 T C 18: 37,848,667 (GRCm39) S225P probably damaging Het
Pcsk9 G T 4: 106,307,386 (GRCm39) L286I probably benign Het
Pkd1l3 GACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCA GACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCA 8: 110,350,827 (GRCm39) probably benign Het
Pnma1 T C 12: 84,193,941 (GRCm39) Y254C probably benign Het
Ppm1k T A 6: 57,487,762 (GRCm39) N354Y probably damaging Het
Ralgapa1 T C 12: 55,659,485 (GRCm39) T2012A possibly damaging Het
Selp T A 1: 163,953,858 (GRCm39) W53R probably damaging Het
Slc10a7 T A 8: 79,456,304 (GRCm39) V302E possibly damaging Het
Slc25a32 T C 15: 38,969,339 (GRCm39) I65V probably benign Het
Spesp1 A G 9: 62,180,545 (GRCm39) F121S probably damaging Het
Syncrip T C 9: 88,361,671 (GRCm39) T110A probably benign Het
Tc2n T C 12: 101,660,818 (GRCm39) D138G probably benign Het
Tnfrsf9 C T 4: 151,018,865 (GRCm39) P179S probably benign Het
Ube2r2 A G 4: 41,183,329 (GRCm39) T117A probably benign Het
Ush2a A C 1: 188,132,078 (GRCm39) K767Q possibly damaging Het
Vdr A G 15: 97,767,285 (GRCm39) V161A probably benign Het
Vmn1r33 T C 6: 66,589,075 (GRCm39) T160A possibly damaging Het
Vmn1r63 A G 7: 5,805,913 (GRCm39) S240P probably benign Het
Vmp1 T C 11: 86,476,156 (GRCm39) N400S probably benign Het
Zfp599 G A 9: 22,160,824 (GRCm39) T447I probably damaging 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
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
Predicted Primers PCR Primer
(F):5'- CACAGAGAACTCAGTCGAGG -3'
(R):5'- TTGGATGGCAACTGCAGATTG -3'

Sequencing Primer
(F):5'- GCAAACAAGATGGACTCATAGTC -3'
(R):5'- GCAACTGCAGATTGAGGAGC -3'
Posted On 2022-10-06