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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q16134: Variant p.His112Tyr

Electron transfer flavoprotein-ubiquinone oxidoreductase, mitochondrial
Gene: ETFDH
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Variant information Variant position: help 112 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 Histidine (H) to Tyrosine (Y) at position 112 (H112Y, p.His112Tyr). 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 medium size and polar (H) to large size and aromatic (Y) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help 2 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 112 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 VAHEKDIRVCLVEKAAQIGA H TLSGACLDPGAFKELFPDWK 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                         VAHEK-DIRVCLVEKAAQIGAHTLSGACLDPGAFKELFPDWK-

Mouse                         AEQGK-DIRVCLVEKAAQIGAHTLSGACLDPAAFKELFPDW

Rat                           AEQEK-DIRVCLVEKAAQIGAHTLSGACLDPAAFKELFPDW

Pig                           AQHEK-DLRVCLVEKAAHIGAHTLSGACLDPRAFEELFPDW

Bovine                        AQHEK-DIRVCLVEKAAQIGAHTLSGACLDPRALQELFPDW

Caenorhabditis elegans        EKAQK-ELRVCVVEKASVIGGHTLSGAVIETRALDELIPNW

Slime mold                    EKAGK-DLRVCVVEKGSEVGSHILSGAVMDPKALNELIPDW

Baker's yeast                 NSSGTGQLRVVVLEKSSVLGGQTVSGAILEPGVWKELFPDE

Fission yeast                 AKANR-DIRVVVLEKAAEPGNHSVSGAVIQPTALDELLPNW

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
Intramembrane 109 – 130
Modified residue 96 – 96 N6-acetyllysine
Modified residue 132 – 132 N6-acetyllysine



Literature citations
So doctor, what exactly is wrong with my muscles? Glutaric aciduria type II presenting in a teenager.
Beresford M.W.; Pourfarzam M.; Turnbull D.M.; Davidson J.E.;
Neuromuscul. Disord. 16:269-273(2006)
Cited for: VARIANTS GA2C TYR-112 AND THR-456;
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.