Incidental Mutation 'R5446:Bcat2'
ID 429074
Institutional Source Beutler Lab
Gene Symbol Bcat2
Ensembl Gene ENSMUSG00000030826
Gene Name branched chain aminotransferase 2, mitochondrial
Synonyms Eca40, Bcat-2
MMRRC Submission 043011-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.116) question?
Stock # R5446 (G1)
Quality Score 225
Status Not validated
Chromosome 7
Chromosomal Location 45219773-45239134 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 45234569 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 110 (R110H)
Ref Sequence ENSEMBL: ENSMUSP00000147628 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033098] [ENSMUST00000120864] [ENSMUST00000209204] [ENSMUST00000211173] [ENSMUST00000210811]
AlphaFold O35855
Predicted Effect possibly damaging
Transcript: ENSMUST00000033098
AA Change: R150H

PolyPhen 2 Score 0.880 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000033098
Gene: ENSMUSG00000030826
AA Change: R150H

DomainStartEndE-ValueType
Pfam:Aminotran_4 101 351 5.4e-33 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000117366
AA Change: R110H

PolyPhen 2 Score 0.880 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000112933
Gene: ENSMUSG00000030826
AA Change: R110H

DomainStartEndE-ValueType
Pfam:Aminotran_4 79 335 2.5e-30 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000120296
AA Change: R110H

PolyPhen 2 Score 0.880 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000112973
Gene: ENSMUSG00000030826
AA Change: R110H

DomainStartEndE-ValueType
Pfam:Aminotran_4 79 335 2.5e-30 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000120864
AA Change: R145H

PolyPhen 2 Score 0.880 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000113045
Gene: ENSMUSG00000030826
AA Change: R145H

DomainStartEndE-ValueType
Pfam:Aminotran_4 119 370 7.6e-27 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000153219
AA Change: A159T
Predicted Effect possibly damaging
Transcript: ENSMUST00000209204
AA Change: R110H

PolyPhen 2 Score 0.880 (Sensitivity: 0.82; Specificity: 0.94)
Predicted Effect probably benign
Transcript: ENSMUST00000209410
Predicted Effect possibly damaging
Transcript: ENSMUST00000211173
AA Change: R110H

PolyPhen 2 Score 0.880 (Sensitivity: 0.82; Specificity: 0.94)
Predicted Effect noncoding transcript
Transcript: ENSMUST00000209543
Predicted Effect probably benign
Transcript: ENSMUST00000210811
Predicted Effect noncoding transcript
Transcript: ENSMUST00000209569
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.8%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a branched chain aminotransferase found in mitochondria. The encoded protein forms a dimer that catalyzes the first step in the production of the branched chain amino acids leucine, isoleucine, and valine. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2009]
PHENOTYPE: The metabolism of branched chain amino acid is impaired in homozygous null mice, resulting in a phenotype similar to human maple syrup urine disease. Mutants exhibit a failure to thrive and die prematurely, though the severity of the symptoms can be ameliorated with a restricted diet. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 39 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adar A G 3: 89,647,486 (GRCm39) N155S probably damaging Het
Ak9 A G 10: 41,296,505 (GRCm39) D1417G possibly damaging Het
Ankrd52 G T 10: 128,224,430 (GRCm39) C736F probably damaging Het
Arhgap15 T A 2: 43,718,772 (GRCm39) H85Q probably benign Het
Bscl2 A G 19: 8,823,564 (GRCm39) H4R possibly damaging Het
Cdh2 T C 18: 16,779,684 (GRCm39) I126V probably damaging Het
Cnbd2 A C 2: 156,209,581 (GRCm39) E508A possibly damaging Het
Crb2 T C 2: 37,685,461 (GRCm39) I1191T probably benign Het
Dync2h1 T C 9: 7,144,217 (GRCm39) T1075A probably benign Het
Edil3 A C 13: 89,332,957 (GRCm39) H371P possibly damaging Het
Gm5134 T C 10: 75,831,670 (GRCm39) S370P probably damaging Het
Helz T C 11: 107,523,030 (GRCm39) V737A probably damaging Het
Jade2 A G 11: 51,707,786 (GRCm39) V809A probably benign Het
Klhl23 T A 2: 69,654,582 (GRCm39) C151S probably damaging Het
Krt75 T C 15: 101,479,502 (GRCm39) D276G probably null Het
Lipm C T 19: 34,095,287 (GRCm39) A294V possibly damaging Het
Med13l A G 5: 118,880,462 (GRCm39) N1185D possibly damaging Het
Mmp27 T A 9: 7,573,516 (GRCm39) probably benign Het
Mroh2a A T 1: 88,182,687 (GRCm39) N1205I possibly damaging Het
Muc21 T A 17: 35,933,395 (GRCm39) probably benign Het
Npnt A G 3: 132,614,130 (GRCm39) L191P probably damaging Het
Or4c10b A T 2: 89,711,893 (GRCm39) H241L probably damaging Het
Paip2b T C 6: 83,791,844 (GRCm39) I13V probably benign Het
Pcdhac2 T A 18: 37,278,253 (GRCm39) L411Q probably damaging Het
Plekhd1 A G 12: 80,767,410 (GRCm39) N266S probably benign Het
Pnpla8 A G 12: 44,337,368 (GRCm39) T454A possibly damaging Het
Prkcg A T 7: 3,378,780 (GRCm39) Y675F probably benign Het
Pwwp2b T A 7: 138,835,066 (GRCm39) I169N probably damaging Het
Rreb1 G A 13: 38,082,473 (GRCm39) R86H possibly damaging Het
Smok3c A C 5: 138,062,895 (GRCm39) L127F probably damaging Het
St6galnac1 T A 11: 116,657,095 (GRCm39) M427L probably benign Het
Synm T C 7: 67,385,722 (GRCm39) T205A probably benign Het
Tsbp1 T C 17: 34,659,867 (GRCm39) probably null Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Vmn2r112 A G 17: 22,837,231 (GRCm39) Y564C probably damaging Het
Vmn2r90 A C 17: 17,932,464 (GRCm39) T124P probably damaging Het
Vpreb1a A T 16: 16,686,554 (GRCm39) V112E probably damaging Het
Zfp451 A G 1: 33,816,609 (GRCm39) L447S probably damaging Het
Zfp746 T C 6: 48,041,107 (GRCm39) T539A probably damaging Het
Other mutations in Bcat2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01382:Bcat2 APN 7 45,237,684 (GRCm39) missense probably damaging 0.97
IGL02383:Bcat2 APN 7 45,237,431 (GRCm39) missense probably damaging 1.00
IGL03157:Bcat2 APN 7 45,224,922 (GRCm39) missense probably benign
IGL03226:Bcat2 APN 7 45,237,778 (GRCm39) missense probably damaging 1.00
Bearcat UTSW 7 45,237,792 (GRCm39) missense possibly damaging 0.76
prematurely UTSW 7 45,237,446 (GRCm39) critical splice donor site probably null
skunkbear UTSW 7 45,225,294 (GRCm39) missense probably damaging 0.99
P0022:Bcat2 UTSW 7 45,237,769 (GRCm39) missense probably damaging 1.00
R1251:Bcat2 UTSW 7 45,225,410 (GRCm39) missense probably damaging 1.00
R1940:Bcat2 UTSW 7 45,237,792 (GRCm39) missense possibly damaging 0.76
R6243:Bcat2 UTSW 7 45,237,691 (GRCm39) missense probably benign 0.19
R6932:Bcat2 UTSW 7 45,238,745 (GRCm39) missense probably damaging 0.98
R7336:Bcat2 UTSW 7 45,224,909 (GRCm39) missense probably benign 0.00
R7434:Bcat2 UTSW 7 45,225,429 (GRCm39) splice site probably null
R7645:Bcat2 UTSW 7 45,237,387 (GRCm39) missense probably benign 0.04
R7732:Bcat2 UTSW 7 45,234,617 (GRCm39) missense possibly damaging 0.65
R7736:Bcat2 UTSW 7 45,234,617 (GRCm39) missense possibly damaging 0.65
R8140:Bcat2 UTSW 7 45,237,775 (GRCm39) missense probably damaging 1.00
R8474:Bcat2 UTSW 7 45,237,075 (GRCm39) missense probably damaging 1.00
R8782:Bcat2 UTSW 7 45,234,917 (GRCm39) missense probably benign
R9112:Bcat2 UTSW 7 45,237,446 (GRCm39) critical splice donor site probably null
R9320:Bcat2 UTSW 7 45,234,542 (GRCm39) missense probably damaging 0.97
R9365:Bcat2 UTSW 7 45,225,294 (GRCm39) missense probably damaging 0.99
R9449:Bcat2 UTSW 7 45,234,980 (GRCm39) missense possibly damaging 0.95
Predicted Primers PCR Primer
(F):5'- AGCTCTTTGAGGGCTTGAAAG -3'
(R):5'- TTATACCCAGAGCTCTAGGCCC -3'

Sequencing Primer
(F):5'- AGCAGGTACGCCTCTTCC -3'
(R):5'- AGAGCTCTCCCTCAGACCAGG -3'
Posted On 2016-09-06