Incidental Mutation 'R1237:Ibtk'
ID 152461
Institutional Source Beutler Lab
Gene Symbol Ibtk
Ensembl Gene ENSMUSG00000035941
Gene Name inhibitor of Bruton agammaglobulinemia tyrosine kinase
Synonyms 5430411K16Rik
MMRRC Submission 039304-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1237 (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 85602801 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Glycine at position 735 (S735G)
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: S735G

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000041145
Gene: ENSMUSG00000035941
AA Change: S735G

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: 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
Meta Mutation Damage Score 0.0578 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.2%
  • 10x: 95.9%
  • 20x: 91.8%
Validation Efficiency 98% (40/41)
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: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcg3 T C 5: 105,096,223 (GRCm39) T500A probably damaging Het
Amz1 A T 5: 140,727,039 (GRCm39) M1L probably damaging Het
Angptl1 T A 1: 156,686,154 (GRCm39) N413K probably damaging Het
Ankrd13b T C 11: 77,365,400 (GRCm39) T70A probably damaging Het
Cacna1c C T 6: 118,589,586 (GRCm39) R1446H probably damaging Het
Ccdc174 C T 6: 91,867,768 (GRCm39) probably benign Het
Ccnc T A 4: 21,730,457 (GRCm39) F31L probably benign Het
Celsr1 A C 15: 85,788,175 (GRCm39) S2692R probably benign Het
Chd1l C T 3: 97,490,047 (GRCm39) E503K probably benign Het
Ddhd1 A T 14: 45,839,107 (GRCm39) D65E probably benign Het
Dync1h1 A G 12: 110,632,393 (GRCm39) N4504S probably benign Het
Enthd1 A G 15: 80,418,799 (GRCm39) S167P probably damaging Het
Fat1 A T 8: 45,497,316 (GRCm39) Y4267F probably damaging Het
Hectd4 C T 5: 121,459,570 (GRCm39) A813V possibly damaging Het
Itga4 A G 2: 79,109,490 (GRCm39) I230V probably null Het
Kcnh8 A T 17: 53,200,988 (GRCm39) Q474L probably damaging Het
Kcnh8 G T 17: 53,200,989 (GRCm39) Q474H probably damaging Het
Mib1 C T 18: 10,768,149 (GRCm39) T466I probably damaging Het
Or12d12 T A 17: 37,611,156 (GRCm39) R52S probably benign Het
Or2ad1 C T 13: 21,326,337 (GRCm39) V297I probably benign Het
Or2l5 A C 16: 19,334,375 (GRCm39) Y4D probably benign Het
Parp14 G A 16: 35,677,130 (GRCm39) A946V probably benign Het
Prdx6b A G 2: 80,123,520 (GRCm39) I110V probably benign Het
Prf1 A C 10: 61,139,428 (GRCm39) D462A probably benign Het
Rps6ka5 T C 12: 100,541,964 (GRCm39) D391G possibly damaging Het
Scn7a A T 2: 66,510,639 (GRCm39) N1254K probably damaging Het
Skor2 A T 18: 76,963,827 (GRCm39) K924* probably null Het
Slc22a21 A G 11: 53,870,598 (GRCm39) I29T probably benign Het
Tas2r140 T C 6: 133,032,171 (GRCm39) T196A probably benign Het
Thrap3 A G 4: 126,073,862 (GRCm39) S295P probably benign Het
Trim43a GATTTATTTATTTATTTATTTATTTATTTATTTATTTATT GATTTATTTATTTATTTATTTATTTATTTATTTATTTATTTATT 9: 88,465,042 (GRCm39) probably benign Het
Ubtd2 C T 11: 32,466,125 (GRCm39) R115W probably damaging Het
Unc93b1 A G 19: 3,985,228 (GRCm39) E12G possibly damaging Het
Vgll3 T A 16: 65,636,459 (GRCm39) Y203* probably null Het
Vmn1r212 G A 13: 23,067,638 (GRCm39) Q232* probably null Het
Vmn2r107 T A 17: 20,576,947 (GRCm39) L315* probably null Het
Vmn2r84 T A 10: 130,223,725 (GRCm39) probably null Het
Washc5 A G 15: 59,210,757 (GRCm39) 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
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
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'- TCTGAGACAGAGACCTTTCCAGCAC -3'
(R):5'- TCTCATCTGCACACTGTGAATTGCC -3'

Sequencing Primer
(F):5'- GCAGCAACCTTTCTGATGAG -3'
(R):5'- CATGTGGATGATAAACAGAAGTCAGC -3'
Posted On 2014-01-29