ETFBKMT
Electron transfer flavoprotein beta subunit lysine methyltransferase
Also known as: C12orf72, DKFZp451L235, ETKMT_HUMAN, METTL20, MGC50559
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q8IXQ9
- Gene
- ETFBKMT
- Ensembl
- ENSG00000139160
- Chromosome
- 12
- Canonical length
- 262 aa
- Protein class
- Predicted intracellular proteins
OverviewNCBI Gene
Enables heat shock protein binding activity and protein-lysine N-methyltransferase activity. Involved in negative regulation of fatty acid beta-oxidation using acyl-CoA dehydrogenase. Located in mitochondrial matrix. Part of protein-containing complex. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
262 residues, UniProt reviewed canonical sequence.
>Q8IXQ9|ETFBKMT
1 MALSLGWKAH RNHCGLLLQA LRSSGLLLFP CGQCPWRGAG SFLDPEIKAF LEENTEVTSS
61 GSLTPEIQLR LLTPRCKFWW ERADLWPHSD PYWAIYWPGG QALSRYLLDN PDVVRGKSVL
121 DLGSGCGATA IAAKMSGASR ILANDIDPIA GMAITLNCEL NRLNPFPILI QNILNLEQDK
181 WDLVVLGDMF YDEDLADSLH QWLKKCFWTY RTRVLIGDPG RPQFSGHSIQ HHLHKVVEYS
241 LLESTRQENS GLTTSTVWGF QPLocalizationUniProt · AlphaFold · HPA
Whether an antibody against ETFBKMT can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.3
- Highest tissue expression
- 9.1 nTPM
Expression across tissuesHPA
Tissue
- liver: 9.1 nTPM
- tongue: 7.2 nTPM
- skeletal muscle: 7.1 nTPM
- kidney: 5.7 nTPM
- retina: 5.7 nTPM
- epididymis: 5 nTPM
Single-cell type
- cardiomyocytes: 37 nCPM
- thymic myoid cells: 25 nCPM
- adrenal medulla cells: 21 nCPM
- rod photoreceptor cells: 21 nCPM
- hepatocytes: 21 nCPM
- enterocytes: 20 nCPM
Immune cell
- basophil: 8.5 nTPM
- neutrophil: 4.5 nTPM
- plasmacytoid DC: 2.5 nTPM
- naive B-cell: 2.4 nTPM
- eosinophil: 2.1 nTPM
- memory B-cell: 2 nTPM
Brain region
- cerebellum: 13 nTPM
- white matter: 12 nTPM
- cerebral cortex: 12 nTPM
- basal ganglia: 11 nTPM
- hypothalamus: 10 nTPM
- spinal cord: 10 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 1.76
- gnomAD pLI
- 0
- DepMap mean gene effect
- -0.01
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 5% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- methylation
- negative regulation of fatty acid beta-oxidation using acyl-CoA dehydrogenase
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- S-adenosyl-L-methionine-dependent methyltransferase superfamily
- Ribosomal protein L11 methyltransferase (PrmA)
- Ribosomal protein L11 methyltransferase PrmA
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of ETFBKMT in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads ETFBKMT as an antibody target. Whether an autoantibody or antibody against ETFBKMT could matter depends on whether native ETFBKMT is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
ETFBKMT is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label ETFBKMT as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
Loading the interactive Seroatlas protein explorer...