Incidental Mutation 'R8753:Ibtk'
ID 663985
Institutional Source Beutler Lab
Gene Symbol Ibtk
Ensembl Gene ENSMUSG00000035941
Gene Name inhibitor of Bruton agammaglobulinemia tyrosine kinase
Synonyms 5430411K16Rik
MMRRC Submission 068619-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8753 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 85569413-85631387 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 85610819 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 285 (T285A)
Ref Sequence ENSEMBL: ENSMUSP00000041145 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000039213] [ENSMUST00000187521]
AlphaFold Q6ZPR6
Predicted Effect probably benign
Transcript: ENSMUST00000039213
AA Change: T285A

PolyPhen 2 Score 0.014 (Sensitivity: 0.96; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000041145
Gene: ENSMUSG00000035941
AA Change: T285A

DomainStartEndE-ValueType
ANK 51 80 2e0 SMART
ANK 85 114 2.58e-3 SMART
Pfam:RCC1 143 192 8.1e-10 PFAM
Pfam:RCC1 195 244 1.1e-14 PFAM
Pfam:RCC1 247 299 5.3e-13 PFAM
low complexity region 307 318 N/A INTRINSIC
low complexity region 543 551 N/A INTRINSIC
BTB 565 745 5.48e-13 SMART
BTB 769 872 4.09e-12 SMART
low complexity region 977 990 N/A INTRINSIC
low complexity region 1269 1281 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000187521
AA Change: T285A

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000139424
Gene: ENSMUSG00000035941
AA Change: T285A

DomainStartEndE-ValueType
ANK 51 80 1.3e-2 SMART
ANK 85 114 1.7e-5 SMART
Pfam:RCC1 143 192 1.9e-8 PFAM
Pfam:RCC1 195 244 1.4e-12 PFAM
Pfam:RCC1 247 299 2.7e-10 PFAM
low complexity region 307 318 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.9%
Validation Efficiency 95% (59/62)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Bruton tyrosine kinase (BTK) is a protein tyrosine kinase that is expressed in B cells, macrophages, and neutrophils. The protein encoded by this gene binds to BTK and downregulates BTK's kinase activity. In addition, the encoded protein disrupts BTK-mediated calcium mobilization and negatively regulates the activation of nuclear factor-kappa-B-driven transcription. This gene has a pseudogene on chromosome 18. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Jul 2014]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit more sustained calcium fluxes in spleen cells stimulated with IgM. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca2 T C 2: 25,332,706 (GRCm39) Y1496H probably damaging Het
Acan G A 7: 78,748,516 (GRCm39) E1096K possibly damaging Het
Adprhl1 T C 8: 13,272,118 (GRCm39) K1547E possibly damaging Het
Ampd2 C A 3: 107,987,432 (GRCm39) V134L probably benign Het
Arf4 T A 14: 26,374,114 (GRCm39) probably benign Het
Boc A T 16: 44,320,775 (GRCm39) M295K Het
C2cd3 T A 7: 100,049,024 (GRCm39) probably null Het
Calcrl C G 2: 84,178,659 (GRCm39) G223A probably benign Het
Calcrl C A 2: 84,178,661 (GRCm39) M222I probably benign Het
Ccdc88b T C 19: 6,833,213 (GRCm39) E278G probably damaging Het
Ccz1 A G 5: 143,925,050 (GRCm39) C469R probably benign Het
Cdc40 C T 10: 40,717,480 (GRCm39) D404N probably damaging Het
Clpx G A 9: 65,223,958 (GRCm39) G251S probably damaging Het
Col6a3 C G 1: 90,695,328 (GRCm39) probably benign Het
Cpox T A 16: 58,498,391 (GRCm39) M408K probably damaging Het
Crybb3 A G 5: 113,226,247 (GRCm39) probably null Het
Cubn A T 2: 13,313,377 (GRCm39) C3064* probably null Het
Cxcl3 CCTGCTGCTGCTGCTG CCTGCTGCTGCTG 5: 90,934,071 (GRCm39) probably benign Het
Cyp4a31 A T 4: 115,432,158 (GRCm39) S432C probably benign Het
Ddias A T 7: 92,508,668 (GRCm39) F416I probably damaging Het
Dlat G T 9: 50,560,967 (GRCm39) A360E probably damaging Het
Dnttip2 A G 3: 122,074,398 (GRCm39) T612A probably damaging Het
Fnip1 A G 11: 54,400,867 (GRCm39) T1089A probably damaging Het
Gm12117 A T 11: 33,225,953 (GRCm39) L128M probably benign Het
Gtf2h5 C CA 17: 6,134,833 (GRCm39) probably null Het
Ifi206 A T 1: 173,301,223 (GRCm39) N818K unknown Het
Itga10 T G 3: 96,558,471 (GRCm39) L305R probably damaging Het
Khnyn T C 14: 56,125,223 (GRCm39) Y461H possibly damaging Het
Macroh2a2 T C 10: 61,585,113 (GRCm39) D177G possibly damaging Het
Mbtps1 T C 8: 120,235,601 (GRCm39) S1026G possibly damaging Het
Msantd4 A G 9: 4,385,013 (GRCm39) E246G probably damaging Het
N4bp1 T C 8: 87,575,085 (GRCm39) I737V probably damaging Het
Nav2 T G 7: 49,102,320 (GRCm39) S373A probably benign Het
Nbea T C 3: 55,534,329 (GRCm39) Y2936C probably damaging Het
Nbeal1 A T 1: 60,307,542 (GRCm39) I1685F probably damaging Het
Nt5c3 C G 6: 56,860,677 (GRCm39) G293R probably damaging Het
Or4f14c A T 2: 111,940,802 (GRCm39) V265E probably benign Het
Or52z1 T A 7: 103,436,567 (GRCm39) I306F probably benign Het
Pcnx2 A T 8: 126,613,999 (GRCm39) V484E probably benign Het
Pcsk5 C T 19: 17,446,408 (GRCm39) R1195Q probably benign Het
Perm1 TGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCT TGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCT 4: 156,302,525 (GRCm39) probably benign Het
Pitpnm3 A G 11: 71,942,704 (GRCm39) V861A probably benign Het
Pkd1 A G 17: 24,793,176 (GRCm39) Y1621C probably damaging Het
Polr3a C A 14: 24,513,702 (GRCm39) E846* probably null Het
Polr3e T C 7: 120,539,540 (GRCm39) V455A possibly damaging Het
Prr5l C T 2: 101,571,723 (GRCm39) G118D probably damaging Het
Pygl G T 12: 70,242,400 (GRCm39) N685K probably damaging Het
Rfx8 A G 1: 39,757,600 (GRCm39) V56A probably damaging Het
Sbf1 T C 15: 89,179,662 (GRCm39) D1341G probably benign Het
Selenon T C 4: 134,275,330 (GRCm39) T123A probably benign Het
Slc23a1 T G 18: 35,752,631 (GRCm39) K549Q probably benign Het
Slc7a13 T C 4: 19,841,443 (GRCm39) F430S probably damaging Het
Smarcc2 G A 10: 128,319,070 (GRCm39) V707M probably damaging Het
St18 A G 1: 6,916,015 (GRCm39) S887G probably damaging Het
T2 T C 17: 8,615,477 (GRCm39) probably benign Het
Tbc1d16 A G 11: 119,101,492 (GRCm39) L6P probably damaging Het
Tcf7l2 T C 19: 55,920,195 (GRCm39) L576P possibly damaging Het
Tnr A G 1: 159,677,936 (GRCm39) D107G probably benign Het
Trpv1 G T 11: 73,135,082 (GRCm39) K426N probably damaging Het
Vmn1r15 A T 6: 57,235,895 (GRCm39) L254F probably benign Het
Vmn1r219 A T 13: 23,347,191 (GRCm39) I127F probably damaging Het
Zc3h14 A T 12: 98,724,831 (GRCm39) E164D probably benign Het
Other mutations in Ibtk
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00656:Ibtk APN 9 85,599,598 (GRCm39) splice site probably null
IGL00852:Ibtk APN 9 85,595,654 (GRCm39) missense probably benign 0.01
IGL00907:Ibtk APN 9 85,572,384 (GRCm39) missense possibly damaging 0.51
IGL01101:Ibtk APN 9 85,614,675 (GRCm39) splice site probably benign
IGL02125:Ibtk APN 9 85,617,123 (GRCm39) missense probably damaging 1.00
IGL02214:Ibtk APN 9 85,596,232 (GRCm39) splice site probably benign
IGL02223:Ibtk APN 9 85,592,419 (GRCm39) splice site probably benign
IGL02638:Ibtk APN 9 85,601,946 (GRCm39) missense probably damaging 1.00
IGL02741:Ibtk APN 9 85,608,665 (GRCm39) missense probably damaging 1.00
IGL03299:Ibtk APN 9 85,603,189 (GRCm39) missense probably benign 0.27
IGL03493:Ibtk APN 9 85,600,972 (GRCm39) missense probably benign 0.44
Biddie UTSW 9 85,579,290 (GRCm39) missense possibly damaging 0.87
R0026:Ibtk UTSW 9 85,572,356 (GRCm39) missense probably benign
R0026:Ibtk UTSW 9 85,572,356 (GRCm39) missense probably benign
R0558:Ibtk UTSW 9 85,619,591 (GRCm39) missense probably damaging 0.99
R0569:Ibtk UTSW 9 85,590,234 (GRCm39) splice site probably benign
R0932:Ibtk UTSW 9 85,617,099 (GRCm39) missense probably damaging 1.00
R0973:Ibtk UTSW 9 85,625,630 (GRCm39) missense probably damaging 1.00
R1237:Ibtk UTSW 9 85,602,801 (GRCm39) missense probably benign 0.00
R1245:Ibtk UTSW 9 85,602,795 (GRCm39) critical splice donor site probably null
R1462:Ibtk UTSW 9 85,606,198 (GRCm39) missense probably damaging 0.99
R1462:Ibtk UTSW 9 85,606,198 (GRCm39) missense probably damaging 0.99
R1921:Ibtk UTSW 9 85,585,135 (GRCm39) missense probably benign
R2090:Ibtk UTSW 9 85,603,046 (GRCm39) missense probably benign 0.01
R2109:Ibtk UTSW 9 85,588,603 (GRCm39) missense probably benign
R2277:Ibtk UTSW 9 85,585,204 (GRCm39) missense probably benign
R2437:Ibtk UTSW 9 85,590,178 (GRCm39) missense probably benign 0.27
R2446:Ibtk UTSW 9 85,585,126 (GRCm39) missense probably benign 0.22
R3107:Ibtk UTSW 9 85,592,467 (GRCm39) missense probably damaging 1.00
R3876:Ibtk UTSW 9 85,600,479 (GRCm39) missense probably benign 0.06
R4160:Ibtk UTSW 9 85,585,143 (GRCm39) missense probably benign 0.01
R4273:Ibtk UTSW 9 85,608,784 (GRCm39) missense probably damaging 1.00
R4321:Ibtk UTSW 9 85,617,125 (GRCm39) missense possibly damaging 0.49
R4827:Ibtk UTSW 9 85,610,607 (GRCm39) missense probably benign 0.04
R4947:Ibtk UTSW 9 85,592,465 (GRCm39) missense probably benign 0.00
R5228:Ibtk UTSW 9 85,608,742 (GRCm39) missense possibly damaging 0.58
R5268:Ibtk UTSW 9 85,625,743 (GRCm39) missense probably benign 0.00
R5327:Ibtk UTSW 9 85,619,519 (GRCm39) critical splice donor site probably null
R5344:Ibtk UTSW 9 85,617,057 (GRCm39) missense possibly damaging 0.90
R5414:Ibtk UTSW 9 85,608,742 (GRCm39) missense possibly damaging 0.58
R5502:Ibtk UTSW 9 85,602,916 (GRCm39) missense probably benign 0.13
R5756:Ibtk UTSW 9 85,613,307 (GRCm39) missense possibly damaging 0.51
R7144:Ibtk UTSW 9 85,625,744 (GRCm39) missense probably benign 0.03
R7196:Ibtk UTSW 9 85,625,709 (GRCm39) missense probably damaging 1.00
R7490:Ibtk UTSW 9 85,600,987 (GRCm39) critical splice acceptor site probably null
R7571:Ibtk UTSW 9 85,604,353 (GRCm39) missense probably benign
R7757:Ibtk UTSW 9 85,579,290 (GRCm39) missense possibly damaging 0.87
R8007:Ibtk UTSW 9 85,572,770 (GRCm39) missense probably benign 0.09
R8065:Ibtk UTSW 9 85,602,916 (GRCm39) missense probably benign 0.13
R8407:Ibtk UTSW 9 85,603,119 (GRCm39) missense possibly damaging 0.93
R8711:Ibtk UTSW 9 85,606,208 (GRCm39) missense probably benign
R8835:Ibtk UTSW 9 85,619,563 (GRCm39) missense possibly damaging 0.50
R8906:Ibtk UTSW 9 85,625,457 (GRCm39) missense possibly damaging 0.91
R8980:Ibtk UTSW 9 85,614,783 (GRCm39) nonsense probably null
R9140:Ibtk UTSW 9 85,617,114 (GRCm39) missense probably damaging 1.00
R9230:Ibtk UTSW 9 85,585,702 (GRCm39) critical splice donor site probably null
R9406:Ibtk UTSW 9 85,603,393 (GRCm39) nonsense probably null
R9745:Ibtk UTSW 9 85,613,280 (GRCm39) missense probably benign 0.02
X0021:Ibtk UTSW 9 85,579,227 (GRCm39) missense possibly damaging 0.69
Predicted Primers PCR Primer
(F):5'- ACCATTGGGATCCAGTAAGTGAC -3'
(R):5'- AGTGGCTGCATCACTGTGTTC -3'

Sequencing Primer
(F):5'- GTAAGCAAACCGTCACAT -3'
(R):5'- CATCACTGTGTTCTGAGATTTGTGAC -3'
Posted On 2021-03-08