Incidental Mutation 'R4321:Ibtk'
ID 323833
Institutional Source Beutler Lab
Gene Symbol Ibtk
Ensembl Gene ENSMUSG00000035941
Gene Name inhibitor of Bruton agammaglobulinemia tyrosine kinase
Synonyms 5430411K16Rik
MMRRC Submission 041662-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4321 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 85569413-85631387 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 85617125 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 149 (D149G)
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: D149G

PolyPhen 2 Score 0.485 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000041145
Gene: ENSMUSG00000035941
AA Change: D149G

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: D149G

PolyPhen 2 Score 0.184 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000139424
Gene: ENSMUSG00000035941
AA Change: D149G

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 0.0755 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.8%
Validation Efficiency 95% (56/59)
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: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9330159F19Rik A T 10: 29,100,887 (GRCm39) D420V probably damaging Het
Als2 A C 1: 59,206,613 (GRCm39) probably benign Het
Ankrd9 A G 12: 110,943,074 (GRCm39) L287P probably damaging Het
Aoc1l1 T A 6: 48,953,456 (GRCm39) D460E probably damaging Het
Bbof1 A T 12: 84,473,902 (GRCm39) R411* probably null Het
Camta2 A T 11: 70,569,151 (GRCm39) L598Q probably damaging Het
Ccdc178 T A 18: 22,166,600 (GRCm39) K530* probably null Het
Cep85 G A 4: 133,859,596 (GRCm39) T689I probably damaging Het
Clvs1 T C 4: 9,282,029 (GRCm39) probably benign Het
Cpped1 T C 16: 11,705,610 (GRCm39) T65A probably benign Het
Daxx T C 17: 34,130,380 (GRCm39) Y132H possibly damaging Het
Dock7 T C 4: 98,960,691 (GRCm39) E279G probably damaging Het
Dok7 A T 5: 35,237,141 (GRCm39) probably benign Het
Dthd1 A T 5: 62,976,033 (GRCm39) I236F probably damaging Het
Egf A G 3: 129,499,783 (GRCm39) C285R probably damaging Het
Epha4 T A 1: 77,483,850 (GRCm39) probably null Het
Fbxw13 A C 9: 109,010,503 (GRCm39) I378M probably benign Het
Gaa A T 11: 119,160,963 (GRCm39) N2I probably benign Het
Gad1 G A 2: 70,420,174 (GRCm39) D353N probably damaging Het
Ggcx A G 6: 72,405,803 (GRCm39) S545G probably benign Het
Gm2663 G T 6: 40,974,530 (GRCm39) Q87K probably damaging Het
Golga4 A G 9: 118,385,503 (GRCm39) E847G probably damaging Het
Hipk3 C A 2: 104,276,916 (GRCm39) V388L probably damaging Het
Ice1 A T 13: 70,751,229 (GRCm39) V1619E possibly damaging Het
Itpr3 A G 17: 27,330,948 (GRCm39) E1752G probably benign Het
Itsn1 G A 16: 91,615,440 (GRCm39) probably benign Het
Kprp G A 3: 92,732,163 (GRCm39) R296W probably damaging Het
Lama1 G A 17: 68,078,078 (GRCm39) G1171D probably benign Het
Lonp2 A G 8: 87,392,356 (GRCm39) H474R probably damaging Het
Mark1 G T 1: 184,630,871 (GRCm39) D746E possibly damaging Het
Mlxipl C T 5: 135,164,304 (GRCm39) Q167* probably null Het
Myo3a A T 2: 22,271,966 (GRCm39) N162Y probably damaging Het
Myo5a T G 9: 75,124,812 (GRCm39) V1787G probably damaging Het
Myorg C T 4: 41,498,767 (GRCm39) V288I probably benign Het
Nrxn3 A T 12: 90,166,005 (GRCm39) E227V probably damaging Het
Orc1 G A 4: 108,445,973 (GRCm39) M30I probably benign Het
Pira13 A G 7: 3,825,754 (GRCm39) S372P possibly damaging Het
Rufy2 A G 10: 62,818,459 (GRCm39) D5G probably damaging Het
Rufy4 A T 1: 74,171,943 (GRCm39) D222V possibly damaging Het
Rufy4 T C 1: 74,186,822 (GRCm39) C537R probably damaging Het
Septin1 G A 7: 126,816,200 (GRCm39) P77S probably damaging Het
Slamf1 T C 1: 171,602,694 (GRCm39) probably null Het
Sox6 A G 7: 115,179,798 (GRCm39) probably null Het
Spef2 A T 15: 9,679,429 (GRCm39) I636K possibly damaging Het
Tshz2 T A 2: 169,727,465 (GRCm39) I218N possibly damaging Het
Txnl1 T C 18: 63,812,561 (GRCm39) T78A possibly damaging Het
Ulk4 T G 9: 120,903,062 (GRCm39) R1138S probably benign Het
Vamp8 A C 6: 72,362,536 (GRCm39) V88G possibly damaging Het
Vmn2r63 A G 7: 42,576,406 (GRCm39) F469S probably benign Het
Zfp850 A C 7: 27,688,825 (GRCm39) F461C 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
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
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'- GATGGATTGCATCATTAGACCTTC -3'
(R):5'- TCAGAGTCAGGCTTTAACTGGG -3'

Sequencing Primer
(F):5'- GACCTTCAAAAGAGTAAAACTGTGC -3'
(R):5'- AGAGTCAGGCTTTAACTGGGATTGTG -3'
Posted On 2015-06-24