Incidental Mutation 'R5756:Ibtk'
ID 501379
Institutional Source Beutler Lab
Gene Symbol Ibtk
Ensembl Gene ENSMUSG00000035941
Gene Name inhibitor of Bruton agammaglobulinemia tyrosine kinase
Synonyms 5430411K16Rik
MMRRC Submission 043359-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5756 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 85569413-85631387 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to G at 85613307 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Leucine at position 219 (V219L)
Ref Sequence ENSEMBL: ENSMUSP00000041145 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000039213] [ENSMUST00000187521]
AlphaFold Q6ZPR6
Predicted Effect possibly damaging
Transcript: ENSMUST00000039213
AA Change: V219L

PolyPhen 2 Score 0.508 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000041145
Gene: ENSMUSG00000035941
AA Change: V219L

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 noncoding transcript
Transcript: ENSMUST00000185353
Predicted Effect noncoding transcript
Transcript: ENSMUST00000186447
Predicted Effect probably benign
Transcript: ENSMUST00000187521
AA Change: V219L

PolyPhen 2 Score 0.271 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000139424
Gene: ENSMUSG00000035941
AA Change: V219L

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
Meta Mutation Damage Score 0.1103 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.5%
Validation Efficiency 100% (60/60)
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930579C12Rik A G 9: 89,010,919 (GRCm39) noncoding transcript Het
Aqp6 A T 15: 99,500,623 (GRCm39) I183F probably damaging Het
Asap1 A T 15: 64,039,556 (GRCm39) M218K probably damaging Het
Astn2 G A 4: 66,037,425 (GRCm39) probably benign Het
Bmp5 A G 9: 75,683,649 (GRCm39) D92G probably benign Het
Cables1 A G 18: 12,074,410 (GRCm39) D511G probably damaging Het
Cacna1e A G 1: 154,347,383 (GRCm39) M928T probably benign Het
Calcoco1 T C 15: 102,628,086 (GRCm39) N16S probably benign Het
Catspere2 A T 1: 177,943,793 (GRCm39) Q710L unknown Het
Coro7 C T 16: 4,450,148 (GRCm39) R567Q probably damaging Het
Dgki C T 6: 36,913,993 (GRCm39) probably benign Het
Dusp11 T C 6: 85,929,339 (GRCm39) I147V probably damaging Het
Eif2ak4 T C 2: 118,293,221 (GRCm39) I1259T possibly damaging Het
Elapor2 A C 5: 9,512,995 (GRCm39) K996N probably damaging Het
Etfdh T C 3: 79,521,063 (GRCm39) I219V probably benign Het
Ffar4 C T 19: 38,102,406 (GRCm39) T347I probably damaging Het
Fgf3 G A 7: 144,396,688 (GRCm39) S234N probably benign Het
Fnta A T 8: 26,499,735 (GRCm39) I155N possibly damaging Het
Gcm2 G A 13: 41,263,372 (GRCm39) T20M probably damaging Het
Ggt5 A T 10: 75,440,607 (GRCm39) M243L probably benign Het
Ggta1 T C 2: 35,292,395 (GRCm39) Y304C probably damaging Het
Gm5454 A G 13: 103,492,855 (GRCm39) noncoding transcript Het
Gprc5c G T 11: 114,755,093 (GRCm39) V257L possibly damaging Het
Hrc T C 7: 44,986,130 (GRCm39) V427A possibly damaging Het
Ift140 A G 17: 25,247,787 (GRCm39) H215R possibly damaging Het
Itln1 A G 1: 171,344,485 (GRCm39) probably benign Het
Kif13b T C 14: 64,973,754 (GRCm39) I368T probably damaging Het
Lars2 T C 9: 123,267,264 (GRCm39) Y529H probably damaging Het
Lrrc55 G A 2: 85,026,727 (GRCm39) T99I probably benign Het
Mycbp2 A T 14: 103,371,410 (GRCm39) I4156N probably damaging Het
Myo1c T G 11: 75,549,240 (GRCm39) M137R probably benign Het
Or51i1 T C 7: 103,670,889 (GRCm39) D212G probably damaging Het
Or6c8b A G 10: 128,882,095 (GRCm39) V279A probably benign Het
Or8b54 T A 9: 38,686,554 (GRCm39) M1K probably null Het
Pde7a A G 3: 19,319,009 (GRCm39) V12A probably benign Het
Phyhip T G 14: 70,704,532 (GRCm39) C250W probably damaging Het
Pisd G A 5: 32,895,842 (GRCm39) T412I probably damaging Het
Polr3c T C 3: 96,621,450 (GRCm39) N444S probably damaging Het
Sart1 T C 19: 5,430,497 (GRCm39) E750G probably damaging Het
Sh3rf3 T C 10: 58,940,204 (GRCm39) V675A probably damaging Het
Slc4a11 G T 2: 130,529,783 (GRCm39) D307E probably benign Het
Slc6a16 A T 7: 44,910,274 (GRCm39) I315F possibly damaging Het
Smarca5 A C 8: 81,437,233 (GRCm39) S708A probably benign Het
Sv2c T C 13: 96,122,475 (GRCm39) I434V probably benign Het
Tars3 A G 7: 65,325,724 (GRCm39) K433E probably benign Het
Tbx15 A T 3: 99,220,402 (GRCm39) I165F probably damaging Het
Tep1 C T 14: 51,074,836 (GRCm39) probably null Het
Tex15 G A 8: 34,065,861 (GRCm39) G1764S probably benign Het
Tnfrsf19 A G 14: 61,262,224 (GRCm39) L13P probably benign Het
Tnnt3 G A 7: 142,056,495 (GRCm39) probably null Het
Ttc23l G T 15: 10,551,636 (GRCm39) T30K possibly damaging Het
Usp24 T A 4: 106,219,680 (GRCm39) I597K probably damaging Het
Usp40 C T 1: 87,879,413 (GRCm39) R960Q possibly damaging Het
Vps53 A T 11: 75,983,156 (GRCm39) probably benign Het
Xylt1 C T 7: 117,249,927 (GRCm39) T699I probably damaging Het
Zfp81 A C 17: 33,553,307 (GRCm39) Y502* probably null Het
Zfyve26 T A 12: 79,311,131 (GRCm39) H145L probably damaging 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
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
R8753:Ibtk UTSW 9 85,610,819 (GRCm39) missense probably benign 0.01
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'- ACCTGTCTGGGTACATTACAACTAG -3'
(R):5'- GCATTTGGGATACACTTGAGAC -3'

Sequencing Primer
(F):5'- TCTGGGTACATTACAACTAGCAGGTG -3'
(R):5'- CAGGTATTGCTAGGCCTGACATTATC -3'
Posted On 2017-12-01