Incidental Mutation 'R3107:Ibtk'
ID 263624
Institutional Source Beutler Lab
Gene Symbol Ibtk
Ensembl Gene ENSMUSG00000035941
Gene Name inhibitor of Bruton agammaglobulinemia tyrosine kinase
Synonyms 5430411K16Rik
MMRRC Submission 040581-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3107 (G1)
Quality Score 225
Status Not validated
Chromosome 9
Chromosomal Location 85569413-85631387 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 85592467 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 997 (Y997C)
Ref Sequence ENSEMBL: ENSMUSP00000041145 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000039213] [ENSMUST00000187521]
AlphaFold Q6ZPR6
Predicted Effect probably damaging
Transcript: ENSMUST00000039213
AA Change: Y997C

PolyPhen 2 Score 0.995 (Sensitivity: 0.68; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000041145
Gene: ENSMUSG00000035941
AA Change: Y997C

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: ENSMUST00000186322
Predicted Effect probably benign
Transcript: ENSMUST00000187521
SMART Domains Protein: ENSMUSP00000139424
Gene: ENSMUSG00000035941

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000188768
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.3%
Validation Efficiency
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: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrf4 A T 17: 42,977,758 (GRCm39) Y528* probably null Het
Ankrd26 A T 6: 118,533,204 (GRCm39) F198L probably benign Het
Arnt2 A G 7: 83,911,652 (GRCm39) S607P possibly damaging Het
Brd10 A T 19: 29,700,847 (GRCm39) L814H probably damaging Het
Ccdc17 T C 4: 116,455,464 (GRCm39) V269A probably benign Het
Cers1 T A 8: 70,775,286 (GRCm39) H233Q probably benign Het
Cfap54 T C 10: 92,830,545 (GRCm39) N1197S probably benign Het
Cfb A G 17: 35,080,800 (GRCm39) Y66H possibly damaging Het
Clspn A G 4: 126,485,452 (GRCm39) D1247G probably benign Het
Cnnm1 T C 19: 43,430,000 (GRCm39) C373R probably damaging Het
Col19a1 T C 1: 24,377,017 (GRCm39) T443A possibly damaging Het
Cubn T C 2: 13,367,158 (GRCm39) S1571G possibly damaging Het
Ddt C T 10: 75,608,597 (GRCm39) E42K probably benign Het
Dmrt2 C A 19: 25,655,055 (GRCm39) T218N probably benign Het
Dnah7b G A 1: 46,392,033 (GRCm39) G3798E probably benign Het
Espl1 A G 15: 102,221,424 (GRCm39) I944V probably damaging Het
Fam114a2 C A 11: 57,390,561 (GRCm39) K317N probably benign Het
Fyn G C 10: 39,427,451 (GRCm39) D445H probably damaging Het
Gprasp1 A T X: 134,700,508 (GRCm39) M234L probably benign Het
Il12rb2 A G 6: 67,337,782 (GRCm39) V33A probably damaging Het
Ints6 T C 14: 62,998,041 (GRCm39) T23A possibly damaging Het
Itk C A 11: 46,218,291 (GRCm39) G624V probably benign Het
Lama2 C T 10: 26,877,231 (GRCm39) E2652K probably benign Het
Mab21l3 T A 3: 101,734,112 (GRCm39) I109F probably damaging Het
Mov10 T C 3: 104,707,040 (GRCm39) E653G probably damaging Het
Or8b51 C T 9: 38,569,307 (GRCm39) C127Y possibly damaging Het
Plg T C 17: 12,603,316 (GRCm39) V74A probably benign Het
Ptprn2 A G 12: 116,839,800 (GRCm39) D441G probably benign Het
Rbmxl2 G A 7: 106,809,624 (GRCm39) G303E probably damaging Het
Satb1 A T 17: 52,089,810 (GRCm39) Y346N possibly damaging Het
Serpina1a A T 12: 103,820,100 (GRCm39) I382N probably damaging Het
Slc6a2 C A 8: 93,687,906 (GRCm39) Q11K probably benign Het
Slc6a20a A C 9: 123,470,773 (GRCm39) probably null Het
Sorcs1 T C 19: 50,199,088 (GRCm39) E825G possibly damaging Het
Sval1 C G 6: 41,932,876 (GRCm39) P145A probably damaging Het
Trhde C T 10: 114,427,971 (GRCm39) E442K probably damaging Het
Vmn2r61 A T 7: 41,916,491 (GRCm39) D368V possibly 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
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
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'- CTGCATGCATCTTTTACAGTTTCAG -3'
(R):5'- GTTAGTGATTTGCCCAGCCC -3'

Sequencing Primer
(F):5'- GCAGCAATTAAAGGCTCTTGC -3'
(R):5'- CCTTCCTGGGCGTATGTATAGC -3'
Posted On 2015-02-05