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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q16134: Variant p.Lys590Glu

Electron transfer flavoprotein-ubiquinone oxidoreductase, mitochondrial
Gene: ETFDH
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Variant information Variant position: help 590 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help LP/P [Disclaimer] The variants are classified into three categories: LP/P, LB/B and US.
  • LP/P: likely pathogenic or pathogenic.
  • LB/B: likely benign or benign.
  • US: uncertain significance
Residue change: help From Lysine (K) to Glutamate (E) at position 590 (K590E, p.Lys590Glu). Indicates the amino acid change of the variant. The one-letter and three-letter codes for amino acids used in UniProtKB/Swiss-Prot are those adopted by the commission on Biochemical Nomenclature of the IUPAC-IUB.
Physico-chemical properties: help Change from large size and basic (K) to medium size and acidic (E) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help 1 The score within a Blosum matrix for the corresponding wild-type to variant amino acid change. The log-odds score measures the logarithm for the ratio of the likelihood of two amino acids appearing by chance. The Blosum62 substitution matrix is used. This substitution matrix contains scores for all possible exchanges of one amino acid with another:
  • Lowest score: -4 (low probability of substitution).
  • Highest score: 11 (high probability of substitution).
More information can be found on the following page
Variant description: help In GA2C. Any additional useful information about the variant.


Sequence information Variant position: help 590 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 617 The length of the canonical sequence.
Location on the sequence: help PVEQGDGFRLQINAQNCVHC K TCDIKDPSQNINWVVPEGGG The residue change on the sequence. Unless the variant is located at the beginning or at the end of the protein sequence, both residues upstream (20) and downstream (20) of the variant will be shown.
Residue conservation: help The multiple alignment of the region surrounding the variant against various orthologous sequences. 
Human                         PVEQGD-GFRLQINAQNCVHCKTCDIKDPSQNINWVVPEGGG

Mouse                         PLEQGD-GFRLQINAQNCVHCKTCDIKDPSQNINWVVPEGG

Rat                           PLEQGD-GFRLQINAQNCVHCKTCDIKDPSQNINWVVPEGG

Pig                           PLEQGD-GFRLQINAQNCVHCKTCDIKDPSQNINWVVPEGG

Bovine                        PVEQGD-GFRLQINAQNCVHCKTCDIKDPSQNINWVVPEGG

Caenorhabditis elegans        PSEADESKKRLQINAQNCIHCKTCDIKDPQQNINWVTPEGG

Slime mold                    EGEKGE--KELVRNSVFCLHCKTCDIKDPTQNIDFTVPEGG

Baker's yeast                 KDEKSPVGTRLQINSQNCIHCKTCDIKAPRQDITWKVPEGG

Fission yeast                 NDEASSYGKRFVINSQNCVHCKTCDIKDPLQGIQWKTPQGG
Sequence annotation in neighborhood: help The regions or sites of interest surrounding the variant. In general the features listed are posttranslational modifications, binding sites, enzyme active sites, local secondary structure or other characteristics reported in the cited references. The "Sequence annotation in neighborhood" lines have a fixed format:
  • Type: the type of sequence feature.
  • Positions: endpoints of the sequence feature.
  • Description: contains additional information about the feature.
TypePositionsDescription
Chain 34 – 617 Electron transfer flavoprotein-ubiquinone oxidoreductase, mitochondrial
Domain 577 – 606 4Fe-4S ferredoxin-type
Binding site 586 – 586
Binding site 589 – 589
Binding site 592 – 592



Literature citations
The myopathic form of coenzyme Q10 deficiency is caused by mutations in the electron-transferring-flavoprotein dehydrogenase (ETFDH) gene.
Gempel K.; Topaloglu H.; Talim B.; Schneiderat P.; Schoser B.G.; Hans V.H.; Palmafy B.; Kale G.; Tokatli A.; Quinzii C.; Hirano M.; Naini A.; DiMauro S.; Prokisch H.; Lochmueller H.; Horvath R.;
Brain 130:2037-2044(2007)
Cited for: VARIANTS GA2C PRO-377; LEU-456; LEU-483 AND GLU-590;
Disclaimer: Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. They are not in any way intended to be used as a substitute for professional medical advice, diagnostic, treatment or care.