Incidental Mutation 'R3876:Ibtk'
ID 276847
Institutional Source Beutler Lab
Gene Symbol Ibtk
Ensembl Gene ENSMUSG00000035941
Gene Name inhibitor of Bruton agammaglobulinemia tyrosine kinase
Synonyms 5430411K16Rik
MMRRC Submission 041606-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3876 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 85569413-85631387 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 85600479 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 816 (I816T)
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: I816T

PolyPhen 2 Score 0.058 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000041145
Gene: ENSMUSG00000035941
AA Change: I816T

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 0.1953 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.9%
Validation Efficiency 100% (53/53)
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
4931414P19Rik G A 14: 54,828,857 (GRCm39) R215* probably null Het
Brinp2 C A 1: 158,074,416 (GRCm39) L568F probably damaging Het
Brip1 T C 11: 86,043,616 (GRCm39) Y316C probably damaging Het
Cdk5rap2 ATGTG ATG 4: 70,208,214 (GRCm39) probably null Het
Cfap69 G T 5: 5,634,645 (GRCm39) probably benign Het
Chrnb4 T C 9: 54,951,182 (GRCm39) E27G probably damaging Het
Clec14a A G 12: 58,315,430 (GRCm39) V64A possibly damaging Het
Crygs A G 16: 22,625,262 (GRCm39) Y60H probably damaging Het
Dpp10 T A 1: 123,281,216 (GRCm39) Q611L probably damaging Het
Entpd1 T C 19: 40,725,264 (GRCm39) L450P probably damaging Het
Eogt G A 6: 97,097,151 (GRCm39) S317L probably damaging Het
Exosc10 T A 4: 148,657,376 (GRCm39) S584T probably benign Het
Fam184a C T 10: 53,575,157 (GRCm39) V151I probably damaging Het
Fbxo43 A G 15: 36,152,258 (GRCm39) V517A probably damaging Het
Flii T C 11: 60,610,698 (GRCm39) T533A possibly damaging Het
Frmpd1 T G 4: 45,284,093 (GRCm39) H971Q probably benign Het
Gata3 A T 2: 9,867,954 (GRCm39) N333K probably damaging Het
Hectd1 A G 12: 51,815,513 (GRCm39) S1525P probably damaging Het
Kirrel1 C T 3: 86,996,458 (GRCm39) M380I probably null Het
Krt34 T C 11: 99,931,791 (GRCm39) T143A probably benign Het
Lipn G T 19: 34,046,828 (GRCm39) M43I probably benign Het
Lrp1b A G 2: 41,335,206 (GRCm39) C779R probably damaging Het
Mios G A 6: 8,233,189 (GRCm39) R779Q probably damaging Het
Mme A T 3: 63,269,480 (GRCm39) probably benign Het
Ncstn A G 1: 171,897,640 (GRCm39) S418P probably benign Het
Oprk1 T A 1: 5,672,884 (GRCm39) C340* probably null Het
Or10d1c T A 9: 38,894,166 (GRCm39) Y58F probably damaging Het
Or4c29 T C 2: 88,739,952 (GRCm39) T262A possibly damaging Het
Or4k39 T C 2: 111,238,967 (GRCm39) V69A possibly damaging Het
Or6c210 C T 10: 129,496,143 (GRCm39) P156L probably benign Het
Or6z7 G A 7: 6,484,131 (GRCm39) A8V probably benign Het
Pald1 T A 10: 61,183,266 (GRCm39) N323Y probably damaging Het
Pcdhac1 C A 18: 37,224,945 (GRCm39) A586E probably damaging Het
Pcnx2 C T 8: 126,614,897 (GRCm39) A185T probably benign Het
Pik3r1 G A 13: 101,821,465 (GRCm39) H430Y probably benign Het
Polr3b G A 10: 84,556,382 (GRCm39) probably null Het
Prl8a6 A T 13: 27,617,015 (GRCm39) L225* probably null Het
Psme4 T C 11: 30,806,068 (GRCm39) S89P probably damaging Het
Pygl G A 12: 70,248,113 (GRCm39) T250I probably damaging Het
Rgs13 T A 1: 144,016,528 (GRCm39) K72* probably null Het
Ryr2 T A 13: 11,603,045 (GRCm39) I4514F probably damaging Het
Septin3 A T 15: 82,170,002 (GRCm39) D32V probably damaging Het
Sfrp2 C T 3: 83,674,335 (GRCm39) P163S possibly damaging Het
Spata31 A G 13: 65,068,745 (GRCm39) T298A probably benign Het
Stxbp2 T C 8: 3,683,369 (GRCm39) probably null Het
Syne1 A T 10: 5,002,345 (GRCm39) M282K possibly damaging Het
Timd2 T C 11: 46,561,847 (GRCm39) probably null Het
Tlr11 G A 14: 50,600,611 (GRCm39) V866I probably benign Het
Trappc10 T C 10: 78,056,020 (GRCm39) probably null Het
Zfp512b AG AGG 2: 181,230,556 (GRCm39) probably null 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
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'- GATACTTATTGTAACTTACACCTCCGG -3'
(R):5'- AGTACTGTCCTGTATGCCTTG -3'

Sequencing Primer
(F):5'- CGGTGACAGTGCACCTCAAAG -3'
(R):5'- ATGCCTTGTTTTCTGAAATTTTCTG -3'
Posted On 2015-04-06