Gene Gene information from NCBI Gene database.
Entrez ID 594
Gene name Branched chain keto acid dehydrogenase E1 subunit beta
Gene symbol BCKDHB
Synonyms (NCBI Gene)
BCKDE1BBCKDH E1-betaE1BMSUD1BOVD1B
Chromosome 6
Chromosome location 6q14.1
Summary This gene encodes the E1 beta subunit of branched-chain keto acid dehydrogenase, which is a multienzyme complex associated with the inner membrane of mitochondria. This enzyme complex functions in the catabolism of branched-chain amino acids. Mutations in
SNPs SNP information provided by dbSNP.
90
SNP ID Visualize variation Clinical significance Consequence
rs79761867 G>A,C Likely-pathogenic, pathogenic-likely-pathogenic, pathogenic Coding sequence variant, missense variant, non coding transcript variant
rs121965004 C>T Pathogenic Missense variant, non coding transcript variant, coding sequence variant
rs121965005 T>G Pathogenic Missense variant, non coding transcript variant, coding sequence variant
rs148905512 C>T Pathogenic Coding sequence variant, non coding transcript variant, missense variant
rs149766077 C>G,T Likely-pathogenic Coding sequence variant, non coding transcript variant, missense variant
miRNA miRNA information provided by mirtarbase database.
177
miRTarBase ID miRNA Experiments Reference
MIRT001381 hsa-miR-1-3p pSILAC 18668040
MIRT001381 hsa-miR-1-3p Proteomics;Other 18668040
MIRT818028 hsa-miR-3152-3p CLIP-seq
MIRT818029 hsa-miR-338-5p CLIP-seq
MIRT818030 hsa-miR-3647-3p CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
26
GO ID Ontology Definition Evidence Reference
GO:0003863 Function Branched-chain 2-oxo acid dehydrogenase activity IDA 9582350, 10745006
GO:0003863 Function Branched-chain 2-oxo acid dehydrogenase activity IEA
GO:0003863 Function Branched-chain 2-oxo acid dehydrogenase activity IMP 2022752
GO:0005515 Function Protein binding IPI 10745006, 12902323, 15166214, 15576032, 28514442, 33961781
GO:0005654 Component Nucleoplasm IDA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
248611 987 ENSG00000083123
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P21953
Protein name 2-oxoisovalerate dehydrogenase subunit beta, mitochondrial (EC 1.2.4.4) (Branched-chain alpha-keto acid dehydrogenase E1 component beta chain) (BCKDE1B) (BCKDH E1-beta)
Protein function Together with BCKDHA forms the heterotetrameric E1 subunit of the mitochondrial branched-chain alpha-ketoacid dehydrogenase (BCKD) complex. The BCKD complex catalyzes the multi-step oxidative decarboxylation of alpha-ketoacids derived from the b
PDB 1DTW , 1OLS , 1OLU , 1OLX , 1U5B , 1V11 , 1V16 , 1V1M , 1V1R , 1WCI , 1X7W , 1X7X , 1X7Y , 1X7Z , 1X80 , 2BEU , 2BEV , 2BEW , 2BFB , 2BFC , 2BFD , 2BFE , 2BFF , 2J9F
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF02779 Transket_pyr 69 247 Transketolase, pyrimidine binding domain Domain
PF02780 Transketolase_C 261 382 Transketolase, C-terminal domain Domain
Sequence
Sequence length 392
Interactions View interactions
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
979
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Abnormality of metabolism/homeostasis Likely pathogenic; Pathogenic rs751953459 RCV001814191
BCKDHB-related disorder Likely pathogenic; Pathogenic rs1350590893, rs751953459, rs751599203, rs386834233 RCV003414328
RCV004730986
RCV003403562
RCV004751250
Maple syrup urine disease Likely pathogenic; Pathogenic rs398124560, rs398124561, rs398124562, rs398124571, rs398124572, rs398124573, rs398124581, rs371518124, rs398124582, rs149766077, rs398124586, rs398124587, rs398124589, rs398124592, rs398124593
View all (135 more)
RCV000674620
RCV001052144
RCV000173927
RCV001162146
RCV000173587
RCV000177426
RCV000179043
RCV000179047
RCV001202851
RCV001857396
RCV002514449
RCV000179041
RCV000811119
RCV001047777
RCV000180018
RCV000169389
RCV000180019
RCV000169304
RCV001390112
RCV000169351
RCV001380845
RCV001384968
RCV001390691
RCV001385404
RCV001775053
RCV001936965
RCV002037642
RCV001941750
RCV001951978
RCV002035507
RCV001943366
RCV001931489
RCV001972711
RCV002033600
RCV001918259
RCV002249294
RCV003094176
RCV002306479
RCV002309783
RCV002307963
RCV002307974
RCV002308084
RCV002309445
RCV002310502
RCV000169513
RCV003060065
RCV003037181
RCV003060066
RCV003061178
RCV002008695
RCV002654528
RCV002824157
RCV002834329
RCV002837888
RCV002846716
RCV002829324
RCV002996833
RCV000209157
RCV000209790
RCV000209460
RCV000209826
RCV000209747
RCV000209523
RCV000209501
RCV000490444
RCV003149167
RCV003226614
RCV000056008
RCV003460460
RCV003460461
RCV003465166
RCV003465167
RCV003465168
RCV003465169
RCV003465173
RCV003465174
RCV003465175
RCV003465176
RCV003465177
RCV003465178
RCV003465179
RCV003465180
RCV003460221
RCV003474336
RCV003474337
RCV003523262
RCV003522236
RCV003524975
RCV003525050
RCV003525293
RCV003523842
RCV003524770
RCV003636366
RCV003636367
RCV003636375
RCV003637084
RCV003637221
RCV003637787
RCV003637856
RCV003635569
RCV003842914
RCV003855619
RCV003865727
RCV000410202
RCV000410485
RCV000409047
RCV000411844
RCV000411423
RCV000449516
RCV000671012
RCV000548346
RCV000553115
RCV001796129
RCV000631886
RCV000631894
RCV000631887
RCV000673322
RCV000665340
RCV000668675
RCV000666521
RCV000671817
RCV000673646
RCV000666534
RCV000673516
RCV000672025
RCV000664711
RCV000672647
RCV000674485
RCV000669039
RCV000672543
RCV000672452
RCV000669008
RCV000667163
RCV000671826
RCV000688957
RCV000704171
RCV000761470
RCV000809821
RCV000822086
RCV000056007
RCV000056009
RCV000987746
RCV000987747
RCV001039804
RCV001052891
RCV001067446
RCV001050317
RCV001174774
RCV001218214
RCV001220702
RCV001224152
RCV001209665
RCV001203795
RCV001212982
RCV001232495
RCV001263564
RCV001263565
RCV001263566
RCV001263567
RCV001263852
RCV001263853
Maple syrup urine disease type 1A Likely pathogenic; Pathogenic rs398124560, rs398124561, rs398124562, rs398124572, rs398124573, rs398124581, rs371518124, rs398124587, rs398124589, rs398124593, rs398124594, rs398124596, rs398124598, rs398124601, rs398124603
View all (63 more)
RCV004566957
RCV004566959
RCV004566960
RCV004566961
RCV004566962
RCV004566964
RCV004566965
RCV004566966
RCV004566967
RCV004566968
RCV005430491
RCV004566969
RCV005430122
RCV004566970
RCV004566972
RCV004566973
RCV005430492
RCV004571739
RCV004571587
RCV004567371
RCV004572722
RCV004572723
RCV004572740
RCV004571908
RCV004571206
RCV004572537
RCV005430512
RCV004566721
RCV004574042
RCV004574043
RCV004574044
RCV004574045
RCV004574046
RCV004574047
RCV004574056
RCV005637003
RCV004575404
RCV004575405
RCV004575406
RCV004575407
RCV004567879
RCV005430322
RCV005430318
RCV005430345
RCV004567884
RCV005430323
RCV005430303
RCV005430297
RCV005430294
RCV005430332
RCV005430535
RCV005430544
RCV004568730
RCV005430546
RCV004568308
RCV005253012
RCV005630326
RCV005430413
RCV005430763
RCV004568491
RCV005430604
RCV005430439
RCV005430711
RCV005430773
RCV005430751
RCV005430441
RCV005430769
RCV004568547
RCV005430393
RCV005430739
RCV005430615
RCV005430734
RCV005430729
RCV005430748
RCV005430613
RCV005430806
RCV005430557
RCV004568543
RCV004568598
RCV005253084
RCV005430116
RCV004566908
RCV004570123
RCV005630267
RCV004570408
RCV004570581
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Acute myeloid leukemia Likely benign rs761132978 RCV005907182
Cholangiocarcinoma Benign rs1811844 RCV005899146
Clear cell carcinoma of kidney Uncertain significance rs201673603 RCV005926414
Colorectal cancer Uncertain significance rs398124597 RCV005887679
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Adenocarcinoma of Lung Associate 34951053
Brain Injuries Associate 28830848
Carcinoma Hepatocellular Associate 23750246
Fatigue Syndrome Chronic Associate 33669532
Hypoxia Associate 17278190
Maple Syrup Urine Disease Associate 10745006, 11112664, 11448970, 11509994, 14742428, 1885764, 2022752, 2365818, 24268812, 24770567, 28830848, 2914958, 29366676, 30957186, 31830945
View all (10 more)
Maple syrup urine disease type 1B Associate 11448970
Maple syrup urine disease type 2 Associate 31610500
Muscle Spasticity Associate 30957186
Neoplasms Associate 16542696, 34951053, 6480584, 9356351