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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9H845: Variant p.Arg532Trp

Complex I assembly factor ACAD9, mitochondrial
Gene: ACAD9
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Variant information Variant position: help 532 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 Arginine (R) to Tryptophan (W) at position 532 (R532W, p.Arg532Trp). 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 (R) to large size and aromatic (W) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -3 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 MC1DN20. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 532 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 621 The length of the canonical sequence.
Location on the sequence: help VETLLLRFGKTIMEEQLVLK R VANILINLYGMTAVLSRASR 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                         VETLLLRFGKTIMEEQLVLKRVANILINLYGMTAVLSRASR

Mouse                         VETLLLRFGKNIVEEQLVLKRVANILINLYGMTAVLSRASR

Rat                           VETLLLRFGKTIVEEQLVLKRVANILINLYGMTAVLSRASR

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 38 – 621 Complex I assembly factor ACAD9, mitochondrial
Modified residue 521 – 521 N6-acetyllysine; alternate
Modified residue 521 – 521 N6-succinyllysine; alternate



Literature citations
Exome sequencing identifies ACAD9 mutations as a cause of complex I deficiency.
Haack T.B.; Danhauser K.; Haberberger B.; Hoser J.; Strecker V.; Boehm D.; Uziel G.; Lamantea E.; Invernizzi F.; Poulton J.; Rolinski B.; Iuso A.; Biskup S.; Schmidt T.; Mewes H.W.; Wittig I.; Meitinger T.; Zeviani M.; Prokisch H.;
Nat. Genet. 42:1131-1134(2010)
Cited for: INVOLVEMENT IN MC1DN20; VARIANTS MC1DN20 ILE-44; TRP-193; PHE-234; GLN-266; SER-303; THR-326; CYS-417 AND TRP-532; Riboflavin-responsive oxidative phosphorylation complex I deficiency caused by defective ACAD9: new function for an old gene.
Gerards M.; van den Bosch B.J.; Danhauser K.; Serre V.; van Weeghel M.; Wanders R.J.; Nicolaes G.A.; Sluiter W.; Schoonderwoerd K.; Scholte H.R.; Prokisch H.; Rotig A.; de Coo I.F.; Smeets H.J.;
Brain 134:210-219(2011)
Cited for: VARIANTS MC1DN20 LYS-127; TRP-469 AND TRP-532; Molecular diagnosis in mitochondrial complex I deficiency using exome sequencing.
Haack T.B.; Haberberger B.; Frisch E.M.; Wieland T.; Iuso A.; Gorza M.; Strecker V.; Graf E.; Mayr J.A.; Herberg U.; Hennermann J.B.; Klopstock T.; Kuhn K.A.; Ahting U.; Sperl W.; Wilichowski E.; Hoffmann G.F.; Tesarova M.; Hansikova H.; Zeman J.; Plecko B.; Zeviani M.; Wittig I.; Strom T.M.; Schuelke M.; Freisinger P.; Meitinger T.; Prokisch H.;
J. Med. Genet. 49:277-283(2012)
Cited for: VARIANT MC1DN20 TRP-532;
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.