Incidental Mutation 'R2130:Dbt'
ID 227925
Institutional Source Beutler Lab
Gene Symbol Dbt
Ensembl Gene ENSMUSG00000000340
Gene Name dihydrolipoamide branched chain transacylase E2
Synonyms dihydrolipoyllysine-residue (2-methylpropanoyl)transferase, D3Wsu60e, dihydrolipoyl transacylase, BCKAD E2
MMRRC Submission 040133-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2130 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 116306776-116343630 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 116332773 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 16 (D16E)
Ref Sequence ENSEMBL: ENSMUSP00000143696 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000000349] [ENSMUST00000197201] [ENSMUST00000199614]
AlphaFold P53395
Predicted Effect probably damaging
Transcript: ENSMUST00000000349
AA Change: D197E

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000000349
Gene: ENSMUSG00000000340
AA Change: D197E

DomainStartEndE-ValueType
Pfam:Biotin_lipoyl 65 138 2.8e-22 PFAM
Pfam:E3_binding 171 206 4.4e-18 PFAM
low complexity region 218 232 N/A INTRINSIC
Pfam:2-oxoacid_dh 248 479 8.5e-83 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000196376
Predicted Effect probably damaging
Transcript: ENSMUST00000197201
AA Change: D16E

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Predicted Effect probably benign
Transcript: ENSMUST00000199614
Meta Mutation Damage Score 0.1976 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.9%
Validation Efficiency 94% (94/100)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The branched-chain alpha-keto acid dehydrogenase complex (BCKD) is an inner-mitochondrial enzyme complex involved in the breakdown of the branched-chain amino acids isoleucine, leucine, and valine. The BCKD complex is thought to be composed of a core of 24 transacylase (E2) subunits, and associated decarboxylase (E1), dehydrogenase (E3), and regulatory subunits. This gene encodes the transacylase (E2) subunit. Mutations in this gene result in maple syrup urine disease, type 2. Alternatively spliced transcript variants have been described, but their biological validity has not been determined. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous mutation of this gene results in postnatal lethality, pallor, respiratory distress, and an increase in branched-chain amino acids in the blood and urine. Homozygotes model Maple Syrup Urine Disease. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 97 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2ml1 T A 6: 128,553,223 (GRCm39) N178I probably damaging Het
Aadacl2fm3 T C 3: 59,772,769 (GRCm39) V91A probably damaging Het
Adgrl2 T C 3: 148,596,124 (GRCm39) I71V probably damaging Het
Adgrv1 T C 13: 81,729,846 (GRCm39) T212A possibly damaging Het
Aopep T A 13: 63,357,963 (GRCm39) C656S probably benign Het
Aox3 A G 1: 58,209,002 (GRCm39) H845R probably damaging Het
Apaf1 A T 10: 90,896,027 (GRCm39) Y348* probably null Het
Apobr A G 7: 126,186,378 (GRCm39) T630A probably benign Het
Arhgap23 A G 11: 97,342,387 (GRCm39) D223G possibly damaging Het
Asic1 A T 15: 99,569,756 (GRCm39) T26S possibly damaging Het
Atp13a2 T A 4: 140,732,327 (GRCm39) M864K probably damaging Het
Atrnl1 G A 19: 57,643,426 (GRCm39) G438D probably damaging Het
Bbc3 T C 7: 16,046,268 (GRCm39) V68A possibly damaging Het
Birc6 T C 17: 74,966,149 (GRCm39) probably benign Het
Btnl9 A G 11: 49,071,523 (GRCm39) F100S probably damaging Het
Castor2 G A 5: 134,164,992 (GRCm39) C187Y probably damaging Het
Ccpg1 A G 9: 72,920,440 (GRCm39) N685S probably damaging Het
Ces3b T A 8: 105,819,607 (GRCm39) probably null Het
Cfhr2 T G 1: 139,758,893 (GRCm39) R52S probably benign Het
Clhc1 A G 11: 29,507,663 (GRCm39) I126V probably benign Het
Crocc T C 4: 140,756,413 (GRCm39) I1071V probably benign Het
Dnajc8 T C 4: 132,271,370 (GRCm39) S62P possibly damaging Het
Dpyd T C 3: 118,468,217 (GRCm39) V77A probably benign Het
Dram2 T A 3: 106,478,076 (GRCm39) M136K possibly damaging Het
Dtx2 T A 5: 136,040,894 (GRCm39) F100I probably damaging Het
Dync2h1 A T 9: 7,011,253 (GRCm39) W3654R probably damaging Het
Fbxw10 T A 11: 62,750,683 (GRCm39) I422N probably damaging Het
Fgf17 T C 14: 70,875,927 (GRCm39) R102G probably damaging Het
Gm28040 AGTG AGTGGCACCTTTGGTG 1: 133,255,059 (GRCm39) probably benign Het
Gm6578 C A 6: 12,100,186 (GRCm39) noncoding transcript Het
Gm8374 T C 14: 18,537,078 (GRCm39) T49A probably damaging Het
Gm9797 G T 10: 11,485,113 (GRCm39) noncoding transcript Het
Golga3 T C 5: 110,350,805 (GRCm39) probably null Het
Golim4 A T 3: 75,815,456 (GRCm39) V116D probably damaging Het
Igfn1 AGGG AGG 1: 135,902,590 (GRCm39) probably benign Het
Insrr G A 3: 87,717,879 (GRCm39) probably null Het
Ipo9 ATCCTCCTCCTCCTCCTC ATCCTCCTCCTCCTCCTCCTC 1: 135,314,006 (GRCm39) probably benign Het
Ipo9 A G 1: 135,329,988 (GRCm39) V484A probably benign Het
Isoc2b A T 7: 4,854,438 (GRCm39) I31N probably damaging Het
Kif5c T A 2: 49,648,817 (GRCm39) probably benign Het
Krtap16-1 A T 11: 99,876,602 (GRCm39) C267* probably null Het
Lamc2 T A 1: 153,002,870 (GRCm39) D1037V probably damaging Het
Lhfpl2 A G 13: 94,328,557 (GRCm39) D206G possibly damaging Het
Lmtk2 C T 5: 144,111,806 (GRCm39) T842I possibly damaging Het
Mgat2 T C 12: 69,232,068 (GRCm39) F214S probably damaging Het
Mki67 T A 7: 135,305,970 (GRCm39) probably null Het
Mpo A G 11: 87,688,187 (GRCm39) D282G possibly damaging Het
Myh10 A G 11: 68,698,115 (GRCm39) probably benign Het
Myo15b G A 11: 115,762,469 (GRCm39) V1229I probably benign Het
Nfatc2ip A G 7: 125,989,634 (GRCm39) V250A probably benign Het
Niban2 A G 2: 32,813,659 (GRCm39) K624R probably benign Het
Nrp1 A T 8: 129,224,997 (GRCm39) E782D probably damaging Het
Olfml3 T A 3: 103,643,185 (GRCm39) M399L probably benign Het
Optc A T 1: 133,831,534 (GRCm39) probably null Het
Or1j13 A G 2: 36,370,059 (GRCm39) S28P possibly damaging Het
Or2f1 C A 6: 42,721,069 (GRCm39) L33M possibly damaging Het
Or56a5 T A 7: 104,792,757 (GRCm39) I254F probably benign Het
Plekha6 C A 1: 133,207,103 (GRCm39) probably null Het
Prelp C T 1: 133,842,869 (GRCm39) R92K probably benign Het
Psph T A 5: 129,864,603 (GRCm39) probably null Het
Ptpro A G 6: 137,388,114 (GRCm39) probably null Het
Pzp T C 6: 128,468,124 (GRCm39) probably null Het
Qrich2 C T 11: 116,339,243 (GRCm39) probably benign Het
Ren1 C G 1: 133,278,516 (GRCm39) probably null Het
Rfwd3 A T 8: 112,024,034 (GRCm39) V96E probably benign Het
Rnf17 T C 14: 56,730,811 (GRCm39) V1205A probably damaging Het
Ro60 T C 1: 143,635,772 (GRCm39) D458G probably benign Het
Senp1 T A 15: 97,973,848 (GRCm39) T132S probably benign Het
Sgo2b T C 8: 64,380,181 (GRCm39) R884G probably benign Het
Slc10a5 G T 3: 10,400,278 (GRCm39) D127E probably benign Het
Slc25a35 T G 11: 68,859,791 (GRCm39) S101R possibly damaging Het
Slc6a13 T C 6: 121,302,000 (GRCm39) L194P possibly damaging Het
Snw1 T G 12: 87,499,473 (GRCm39) probably benign Het
Sort1 T A 3: 108,259,002 (GRCm39) F678Y probably benign Het
Srsf12 C T 4: 33,225,764 (GRCm39) probably benign Het
Ssxa1 T A X: 20,985,581 (GRCm39) probably benign Het
Stard13 T C 5: 150,968,633 (GRCm39) Y879C probably damaging Het
Syt2 ACTCTCTCT ACTCTCTCTCT 1: 134,674,479 (GRCm39) probably benign Het
Tacr3 T C 3: 134,637,941 (GRCm39) V366A probably benign Het
Tasor T A 14: 27,168,345 (GRCm39) Y296N probably damaging Het
Tasor A G 14: 27,198,571 (GRCm39) N1301S possibly damaging Het
Tecpr1 T A 5: 144,145,463 (GRCm39) T595S probably benign Het
Tjp3 T A 10: 81,113,888 (GRCm39) M457L possibly damaging Het
Tkfc A G 19: 10,573,405 (GRCm39) I279T probably damaging Het
Tmem98 A G 11: 80,708,348 (GRCm39) E106G probably damaging Het
Tnnt2 TG TGG 1: 135,774,499 (GRCm39) probably benign Het
Trim41 C A 11: 48,698,419 (GRCm39) G516W probably damaging Het
Ttn T C 2: 76,572,861 (GRCm39) T24265A possibly damaging Het
Usp37 A G 1: 74,500,815 (GRCm39) V582A probably damaging Het
Vps13b T A 15: 35,671,546 (GRCm39) I1683N probably benign Het
Vps13d C T 4: 144,882,671 (GRCm39) R968H probably benign Het
Vps35l T C 7: 118,393,798 (GRCm39) Y516H probably damaging Het
Vwf C T 6: 125,634,020 (GRCm39) T166I probably damaging Het
Zfp280d T C 9: 72,215,287 (GRCm39) F133L probably damaging Het
Zfp459 A T 13: 67,556,395 (GRCm39) H229Q probably benign Het
Zfyve26 T A 12: 79,315,208 (GRCm39) I1423F possibly damaging Het
Zmynd19 T A 2: 24,842,648 (GRCm39) Y15* probably null Het
Other mutations in Dbt
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00546:Dbt APN 3 116,332,930 (GRCm39) missense probably benign
IGL00660:Dbt APN 3 116,339,944 (GRCm39) missense probably damaging 1.00
IGL00839:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00840:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00841:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00852:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00861:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00955:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00956:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL01475:Dbt APN 3 116,313,908 (GRCm39) missense possibly damaging 0.92
IGL01521:Dbt APN 3 116,327,032 (GRCm39) missense probably benign 0.00
IGL01806:Dbt APN 3 116,326,954 (GRCm39) missense probably damaging 1.00
IGL03288:Dbt APN 3 116,341,847 (GRCm39) makesense probably null
R0025:Dbt UTSW 3 116,328,432 (GRCm39) missense probably benign 0.22
R0066:Dbt UTSW 3 116,337,478 (GRCm39) missense probably benign 0.00
R0066:Dbt UTSW 3 116,337,478 (GRCm39) missense probably benign 0.00
R0190:Dbt UTSW 3 116,332,736 (GRCm39) critical splice acceptor site probably null
R1650:Dbt UTSW 3 116,328,381 (GRCm39) splice site probably null
R1750:Dbt UTSW 3 116,339,943 (GRCm39) missense probably benign 0.18
R2131:Dbt UTSW 3 116,332,773 (GRCm39) missense probably damaging 1.00
R2133:Dbt UTSW 3 116,332,773 (GRCm39) missense probably damaging 1.00
R2897:Dbt UTSW 3 116,317,061 (GRCm39) missense probably damaging 1.00
R3442:Dbt UTSW 3 116,341,840 (GRCm39) missense probably benign
R4241:Dbt UTSW 3 116,326,945 (GRCm39) missense probably damaging 1.00
R4681:Dbt UTSW 3 116,326,963 (GRCm39) missense probably damaging 1.00
R4724:Dbt UTSW 3 116,326,945 (GRCm39) missense probably damaging 1.00
R4736:Dbt UTSW 3 116,332,781 (GRCm39) missense probably damaging 0.99
R4737:Dbt UTSW 3 116,332,781 (GRCm39) missense probably damaging 0.99
R4738:Dbt UTSW 3 116,332,781 (GRCm39) missense probably damaging 0.99
R4740:Dbt UTSW 3 116,332,781 (GRCm39) missense probably damaging 0.99
R4809:Dbt UTSW 3 116,339,992 (GRCm39) missense probably damaging 1.00
R4823:Dbt UTSW 3 116,317,036 (GRCm39) missense probably damaging 1.00
R4861:Dbt UTSW 3 116,341,727 (GRCm39) missense probably benign 0.00
R4861:Dbt UTSW 3 116,341,727 (GRCm39) missense probably benign 0.00
R5148:Dbt UTSW 3 116,321,893 (GRCm39) intron probably benign
R5327:Dbt UTSW 3 116,322,220 (GRCm39) intron probably benign
R5700:Dbt UTSW 3 116,313,952 (GRCm39) missense probably damaging 0.97
R5931:Dbt UTSW 3 116,317,074 (GRCm39) missense possibly damaging 0.80
R6463:Dbt UTSW 3 116,333,409 (GRCm39) missense possibly damaging 0.51
R7841:Dbt UTSW 3 116,339,746 (GRCm39) missense possibly damaging 0.85
R8122:Dbt UTSW 3 116,313,891 (GRCm39) nonsense probably null
R8385:Dbt UTSW 3 116,317,039 (GRCm39) missense probably damaging 1.00
R8941:Dbt UTSW 3 116,339,698 (GRCm39) missense probably damaging 0.99
R9734:Dbt UTSW 3 116,339,704 (GRCm39) missense probably benign
RF008:Dbt UTSW 3 116,341,717 (GRCm39) nonsense probably null
RF016:Dbt UTSW 3 116,333,363 (GRCm39) missense probably damaging 1.00
Z1177:Dbt UTSW 3 116,339,740 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GCTGCAGGGCTACTCTTATT -3'
(R):5'- CACTGGCTCTGTTCGGTCTT -3'

Sequencing Primer
(F):5'- TGGCTGGCCTGGAACTCAG -3'
(R):5'- CGGTCTTTGCCTGTGAACACTG -3'
Posted On 2014-09-17