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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P00156: Variant p.Thr360Ala

Cytochrome b
Gene: MT-CYB
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Variant information Variant position: help 360 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help LB/B 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 Threonine (T) to Alanine (A) at position 360 (T360A, p.Thr360Ala). 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 (T) to small size and hydrophobic (A) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help 0 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

Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 360 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 380 The length of the canonical sequence.
Location on the sequence: help GQPVSYPFTIIGQVASVLYF T TILILMPTISLIENKMLKWA 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                         GQPVSYPFTIIGQVASVLYFTTILILMPTISLIENKMLKWA--------

Gorilla                       GQPVSYPFITIGQVASVLYFTTILFLMPITSLIENKMLKWT

                              GQPVEHPFIIIGQVASILYFTILLILMPTVSVIENNLLKW-

Rhesus macaque                SEPVVQPLTTIGQVASMMYFITILILMPLASLIENNLLKWT

Chimpanzee                    GQPVSYPFITIGQMASVLYFTTILILMPIASLIENKMLEWT

Mouse                         GQPVEHPFIIIGQLASISYFSIILILMPISGIIEDKMLKLY

Rat                           GQPVEHPFIIIGQLASISYFSIILILMPISGIVEDKMLKWN

Pig                           GQPVEHPFIIIGQLASILYFLIILVLMPITSIIENNLLKW-

Bovine                        GQPVEHPYITIGQLASVLYFLLILVLMPTAGTIENKLLKW-

Rabbit                        GQPVEHPFITIGQVASVLYFTTILILMPLASLIENKILKW-

Goat                          GQPVEHPYIIIGQLASIMYFLIILVMMPVASTIENNLLKW-

Sheep                         GQPVEHPYIIIGQLASIMYFLIILVMMPVASIIENNLLKW-

Cat                           GQPVEHPFITIGQLASILYFSTLLILMPISGIIENRLLKW-

Horse                         GQPVEHPYVIIGQLASILYFSLILIFMPLASTIENNLLKW-

Chicken                       SQPVEHPFIIIGQMASLSYFTILLILFPTIGTLENKMLNY-

Xenopus laevis                GQPVEDPYTMIGQLASVIYFSIFIIMFPLMGWVENKLLNW-

Zebrafish                     GMPVEHPYIIIGQMASILYFSLFLVLFPITGILENKALQWS

Caenorhabditis elegans        QCTVEDPFTILSPLFSFIYFGLAYLMLFI--FMSSKLLFK-

Drosophila                    ARPVEEPYVLIGQILTVVYFLYYLV-NPLITKWWDNLLN--

Slime mold                    SQPAAAPYLICGLYSTIAYFIYILVLFPCIYIVEKMIIKTI

Baker's yeast                 ACHVEVPYVLMGQIATFIYFAYFLIIVPVISTIENVLFYIG

Fission yeast                 GSHPENVFITIGAIATIFYFSYFFILIPVYTILGNTLIDLN

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 1 – 380 Cytochrome b
Transmembrane 347 – 367 Helical
Helix 345 – 363



Literature citations
Major genomic mitochondrial lineages delineate early human expansions.
Maca-Meyer N.; Gonzalez A.M.; Larruga J.M.; Flores C.; Cabrera V.M.;
BMC Genet. 2:13-13(2001)
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-378; VARIANTS ILE-7; SER-8; LEU-18; THR-122; VAL-164; 189-ILE-ALA-190 DELINS VAL-THR; ALA-194; THR-229; ILE-236; THR-330; ALA-360 AND ILE-368;
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.