Incidental Mutation 'R6738:Ikbkb'
ID 530308
Institutional Source Beutler Lab
Gene Symbol Ikbkb
Ensembl Gene ENSMUSG00000031537
Gene Name inhibitor of kappaB kinase beta
Synonyms IKK[b], IKK-beta, IKK-2, IKK2, IKKbeta
MMRRC Submission 044856-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6738 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 23149228-23196605 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 23165052 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Leucine at position 243 (I243L)
Ref Sequence ENSEMBL: ENSMUSP00000138378 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033939] [ENSMUST00000063401] [ENSMUST00000125314] [ENSMUST00000135326]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000033939
AA Change: I243L

PolyPhen 2 Score 0.782 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000033939
Gene: ENSMUSG00000031537
AA Change: I243L

DomainStartEndE-ValueType
Pfam:Pkinase_Tyr 15 247 1.2e-38 PFAM
Pfam:Pkinase 15 296 1.2e-54 PFAM
Pfam:Kdo 31 176 1.3e-7 PFAM
IKKbetaNEMObind 705 742 4.71e-16 SMART
Predicted Effect possibly damaging
Transcript: ENSMUST00000063401
AA Change: I243L

PolyPhen 2 Score 0.782 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000064235
Gene: ENSMUSG00000031537
AA Change: I243L

DomainStartEndE-ValueType
Pfam:Pkinase_Tyr 15 247 7.3e-39 PFAM
Pfam:Pkinase 15 296 6.9e-56 PFAM
Pfam:Kdo 44 177 3e-8 PFAM
IKKbetaNEMObind 705 737 1.83e-4 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000125314
AA Change: I243L

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000138156
Gene: ENSMUSG00000031537
AA Change: I243L

DomainStartEndE-ValueType
Pfam:Pkinase_Tyr 15 248 2.8e-38 PFAM
Pfam:Pkinase 15 296 2.5e-55 PFAM
Pfam:Kdo 43 177 1.4e-7 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000135326
AA Change: I243L

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000138378
Gene: ENSMUSG00000031537
AA Change: I243L

DomainStartEndE-ValueType
Pfam:Pkinase_Tyr 15 248 2.8e-38 PFAM
Pfam:Pkinase 15 296 2.5e-55 PFAM
Pfam:Kdo 43 177 1.4e-7 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000146212
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150259
Meta Mutation Damage Score 0.3228 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.3%
  • 20x: 95.2%
Validation Efficiency 100% (55/55)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene phosphorylates the inhibitor in the inhibitor/NF-kappa-B complex, causing dissociation of the inhibitor and activation of NF-kappa-B. The encoded protein itself is found in a complex of proteins. Several transcript variants, some protein-coding and some not, have been found for this gene. [provided by RefSeq, Sep 2011]
PHENOTYPE: Homozygotes for targeted null mutations exhibit liver degeneration and die in midgestation. Conditional mutations that lack gene expression in lymphoid cells or epidermal keratinocytes exhibit B and T cell deficits and skin inflammation, respectively. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abat C T 16: 8,420,300 (GRCm39) probably benign Het
Abl1 T C 2: 31,684,586 (GRCm39) Y454H probably damaging Het
Ambp A T 4: 63,067,711 (GRCm39) D166E probably benign Het
Amigo2 A G 15: 97,143,345 (GRCm39) V359A possibly damaging Het
Ankrd11 A T 8: 123,618,660 (GRCm39) S1710T probably damaging Het
Ankrd31 T C 13: 97,040,635 (GRCm39) S1713P possibly damaging Het
Arhgap45 A T 10: 79,863,431 (GRCm39) K758M probably damaging Het
Bclaf1 T C 10: 20,199,515 (GRCm39) I304T possibly damaging Het
C1ra A G 6: 124,494,718 (GRCm39) Y327C probably damaging Het
Ccdc73 C T 2: 104,822,433 (GRCm39) S794L probably benign Het
Cd24a A G 10: 43,458,672 (GRCm39) N48D possibly damaging Het
Col11a1 A G 3: 113,906,116 (GRCm39) probably benign Het
Cyp11b2 G A 15: 74,725,363 (GRCm39) T252I possibly damaging Het
Dlx2 A G 2: 71,376,406 (GRCm39) Y111H probably benign Het
Dsp T C 13: 38,376,186 (GRCm39) S1324P possibly damaging Het
Esyt3 A T 9: 99,202,346 (GRCm39) F522I probably damaging Het
Fam193b C T 13: 55,698,174 (GRCm39) A45T probably benign Het
Flnb A G 14: 7,904,536 (GRCm38) T980A probably benign Het
Gabrb2 G T 11: 42,484,758 (GRCm39) A272S possibly damaging Het
H2al2a G T 2: 18,001,429 (GRCm39) Q86K possibly damaging Het
Il18r1 A G 1: 40,537,816 (GRCm39) E527G probably benign Het
Krt35 A T 11: 99,984,535 (GRCm39) V320D probably damaging Het
Krt76 C T 15: 101,795,913 (GRCm39) R419H probably benign Het
Lrp2 T A 2: 69,288,832 (GRCm39) Y3678F probably damaging Het
Mab21l4 G A 1: 93,087,707 (GRCm39) L49F probably benign Het
Mnat1 T G 12: 73,319,246 (GRCm39) S290A probably benign Het
Mptx2 T C 1: 173,102,422 (GRCm39) E89G probably benign Het
Myom1 T A 17: 71,407,393 (GRCm39) probably null Het
Naaladl2 A G 3: 24,225,806 (GRCm39) V541A probably benign Het
Nbeal2 T C 9: 110,465,973 (GRCm39) T851A possibly damaging Het
Ncoa4 A G 14: 31,892,750 (GRCm39) Y11C probably benign Het
Ntn5 T A 7: 45,343,780 (GRCm39) probably null Het
Or10d4c A G 9: 39,557,957 (GRCm39) probably benign Het
Or1j18 C T 2: 36,624,444 (GRCm39) T37I probably benign Het
Otop2 A G 11: 115,220,318 (GRCm39) Y386C probably damaging Het
Ppp2r1a T A 17: 21,174,979 (GRCm39) probably null Het
Prkd2 C A 7: 16,599,830 (GRCm39) N764K possibly damaging Het
Ralgapa1 A G 12: 55,809,512 (GRCm39) L421S probably damaging Het
Ric3 G A 7: 108,647,269 (GRCm39) R184* probably null Het
Sfswap A G 5: 129,618,505 (GRCm39) K480E probably damaging Het
Siah2 A G 3: 58,598,974 (GRCm39) V88A probably benign Het
Slc22a16 T C 10: 40,461,298 (GRCm39) F367L probably damaging Het
Slc23a2 T C 2: 131,920,356 (GRCm39) D183G probably benign Het
Svep1 T C 4: 58,123,180 (GRCm39) N712S possibly damaging Het
Tex21 A G 12: 76,286,283 (GRCm39) V72A probably benign Het
Tfap4 A G 16: 4,367,311 (GRCm39) Y184H probably damaging Het
Timeless T C 10: 128,076,504 (GRCm39) Y138H probably damaging Het
Tln2 A T 9: 67,293,946 (GRCm39) N227K possibly damaging Het
Trip10 C T 17: 57,563,899 (GRCm39) P342S probably benign Het
Ttc6 A T 12: 57,735,426 (GRCm39) E1156V probably damaging Het
Ttn T C 2: 76,728,472 (GRCm39) probably benign Het
Vmn2r109 G A 17: 20,774,785 (GRCm39) S190L possibly damaging Het
Wdr54 A G 6: 83,132,109 (GRCm39) S99P probably damaging Het
Ythdf2 A C 4: 131,932,272 (GRCm39) I296R probably benign Het
Zfp445 A G 9: 122,691,123 (GRCm39) V24A probably damaging Het
Other mutations in Ikbkb
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00095:Ikbkb APN 8 23,196,127 (GRCm39) missense probably damaging 0.99
IGL00899:Ikbkb APN 8 23,150,463 (GRCm39) missense possibly damaging 0.84
IGL02271:Ikbkb APN 8 23,155,919 (GRCm39) missense probably benign 0.00
IGL02569:Ikbkb APN 8 23,183,899 (GRCm39) missense probably damaging 1.00
IGL02610:Ikbkb APN 8 23,165,088 (GRCm39) critical splice acceptor site probably null
IGL03085:Ikbkb APN 8 23,172,802 (GRCm39) missense probably benign 0.03
Baby UTSW 8 23,165,052 (GRCm39) missense probably damaging 1.00
Impaired UTSW 8 23,156,036 (GRCm39) missense probably damaging 1.00
Kiki UTSW 8 23,161,658 (GRCm39) missense possibly damaging 0.95
R0110:Ikbkb UTSW 8 23,161,651 (GRCm39) nonsense probably null
R0366:Ikbkb UTSW 8 23,185,276 (GRCm39) splice site probably benign
R0469:Ikbkb UTSW 8 23,161,651 (GRCm39) nonsense probably null
R0510:Ikbkb UTSW 8 23,161,651 (GRCm39) nonsense probably null
R1386:Ikbkb UTSW 8 23,155,633 (GRCm39) missense possibly damaging 0.69
R1436:Ikbkb UTSW 8 23,163,419 (GRCm39) missense probably benign 0.24
R1645:Ikbkb UTSW 8 23,181,082 (GRCm39) missense probably damaging 0.98
R1695:Ikbkb UTSW 8 23,163,496 (GRCm39) missense probably benign 0.00
R2118:Ikbkb UTSW 8 23,157,233 (GRCm39) splice site probably benign
R2120:Ikbkb UTSW 8 23,157,233 (GRCm39) splice site probably benign
R2121:Ikbkb UTSW 8 23,157,233 (GRCm39) splice site probably benign
R2124:Ikbkb UTSW 8 23,157,233 (GRCm39) splice site probably benign
R2124:Ikbkb UTSW 8 23,156,036 (GRCm39) missense probably damaging 1.00
R2148:Ikbkb UTSW 8 23,172,761 (GRCm39) missense probably damaging 1.00
R2179:Ikbkb UTSW 8 23,171,769 (GRCm39) critical splice acceptor site probably null
R2897:Ikbkb UTSW 8 23,159,693 (GRCm39) missense possibly damaging 0.71
R3861:Ikbkb UTSW 8 23,168,852 (GRCm39) missense possibly damaging 0.94
R4019:Ikbkb UTSW 8 23,161,728 (GRCm39) missense probably benign 0.03
R4723:Ikbkb UTSW 8 23,159,623 (GRCm39) missense probably benign 0.24
R4962:Ikbkb UTSW 8 23,171,693 (GRCm39) missense probably damaging 1.00
R5715:Ikbkb UTSW 8 23,168,866 (GRCm39) missense probably damaging 1.00
R6875:Ikbkb UTSW 8 23,155,909 (GRCm39) missense probably damaging 0.99
R7054:Ikbkb UTSW 8 23,161,658 (GRCm39) missense possibly damaging 0.95
R7284:Ikbkb UTSW 8 23,158,976 (GRCm39) missense probably benign 0.32
R7383:Ikbkb UTSW 8 23,159,066 (GRCm39) missense probably benign
R7633:Ikbkb UTSW 8 23,161,757 (GRCm39) missense probably benign 0.08
R7768:Ikbkb UTSW 8 23,185,252 (GRCm39) missense probably damaging 0.99
R7819:Ikbkb UTSW 8 23,161,742 (GRCm39) missense probably benign 0.05
R8332:Ikbkb UTSW 8 23,155,641 (GRCm39) missense possibly damaging 0.79
R8369:Ikbkb UTSW 8 23,181,097 (GRCm39) missense probably benign 0.32
R8421:Ikbkb UTSW 8 23,168,804 (GRCm39) critical splice donor site probably null
R8934:Ikbkb UTSW 8 23,150,407 (GRCm39) makesense probably null
R9249:Ikbkb UTSW 8 23,171,735 (GRCm39) nonsense probably null
R9352:Ikbkb UTSW 8 23,150,444 (GRCm39) missense probably benign
R9367:Ikbkb UTSW 8 23,171,711 (GRCm39) missense probably damaging 1.00
R9524:Ikbkb UTSW 8 23,172,740 (GRCm39) critical splice donor site probably null
R9581:Ikbkb UTSW 8 23,155,575 (GRCm39) missense probably damaging 0.99
R9588:Ikbkb UTSW 8 23,151,410 (GRCm39) missense unknown
Predicted Primers PCR Primer
(F):5'- TCAATCACAGGATGGTGTTCTG -3'
(R):5'- ACTCCTGCTGAACTCAATGC -3'

Sequencing Primer
(F):5'- TCAAAAGTTATGCATGGGCCTG -3'
(R):5'- CTGCTGAACTCAATGCTTAGAGC -3'
Posted On 2018-08-01