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UniProtKB/Swiss-Prot P08574: Variant p.Met76Val

Cytochrome c1, heme protein, mitochondrial
Gene: CYC1
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Variant information Variant position: help 76 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 Methionine (M) to Valine (V) at position 76 (M76V, p.Met76Val). 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 Similar physico-chemical property. Both residues are medium size and hydrophobic. 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
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 76 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 325 The length of the canonical sequence.
Location on the sequence: help GRKVMLSALGMLAAGGAGLA M ALHSAVSASDLELHPPSYPW 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                         GRKVM--LSALGMLAAGGAGLAM-----ALHSA-VSASDLELHPPSYPW

Mouse                         GRKVM--LSALGMLAAGGAGLAV-----ALHSA-VSASDLE

Bovine                        GRKVI--LSALGMLAAGGAGLAV-----ALHSA-VSASDLE

Slime mold                    GK-----LLSKLAIVSGVVGTAT-----AITTSTTLLSDDF

Baker's yeast                 SGKLTQKLVTAGVAAAGITASTL-LYADSLTAEAMTAAEHG

Fission yeast                 GSNIA--LVSSSLLSVGMIALYYNVYGPSLSAG--TPKEEG
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
Transit peptide 1 – 84 Mitochondrion



Literature citations
Nucleotide sequence of a cDNA encoding the precursor to human cytochrome c1.
Nishikimi M.; Ohta S.; Suzuki H.; Tanaka T.; Kikkawa F.; Tanaka M.; Kagawa Y.; Ozawa T.;
Nucleic Acids Res. 16:3577-3577(1988)
Cited for: NUCLEOTIDE SEQUENCE [MRNA]; VARIANTS VAL-76 AND VAL-89; Structural organization of the human mitochondrial cytochrome c1 gene.
Suzuki H.; Hosokawa Y.; Nishikimi M.; Ozawa T.;
J. Biol. Chem. 264:1368-1374(1989)
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]; VARIANT VAL-76; Cloning of human full open reading frames in Gateway(TM) system entry vector (pDONR201).
Halleck A.; Ebert L.; Mkoundinya M.; Schick M.; Eisenstein S.; Neubert P.; Kstrang K.; Schatten R.; Shen B.; Henze S.; Mar W.; Korn B.; Zuo D.; Hu Y.; LaBaer J.;
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]; VARIANT VAL-76; Submission
NIEHS SNPs program;
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]; VARIANT VAL-76; The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).
The MGC Project Team;
Genome Res. 14:2121-2127(2004)
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]; VARIANT VAL-76;
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.