UniProtKB/Swiss-Prot O75923: Variant p.Cys456Trp

Dysferlin
Gene: DYSF
Chromosomal location: 2p13.1-p13.3
Variant information

Variant position:  456
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Type of variant:  Disease [Disclaimer]
The variants are classified into three categories: Disease, Polymorphism and Unclassified.
  • Disease: Variants have been found in patients and disease-association is reported in literature. However, this classification is not a definitive assessment of variant pathogenicity.
  • Polymorphism: No disease-association has been reported.
  • Unclassified: Variants have been found in patients but disease-association remains unclear.

Residue change:  From Cysteine (C) to Tryptophan (W) at position 456 (C456W, p.Cys456Trp).
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:  Change from medium size and polar (C) to large size and aromatic (W)
The physico-chemical property of the reference and variant residues and the change implicated.

BLOSUM score:  -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:  In MMD1.
Any additional useful information about the variant.



Sequence information

Variant position:  456
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Protein sequence length:  2080
The length of the canonical sequence.

Location on the sequence:   KTANPQWNQNITLPAMFPSM  C EKMRIRIIDWDRLTHNDIVA
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: 
The multiple alignment of the region surrounding the variant against various orthologous sequences.

Human                         KTANPQWNQNITLPAMFPSMCEKMRIRIIDWDRLTHNDIVA

Mouse                         KTANPQWNQNITLPAMFPSMCEKMRIRVMDWDRLTHNDTVA

Bovine                        KTANPQWNQSITLPAMFPSMCEKMRIRVVDWDRLTHNDIVA

Sequence annotation in neighborhood:  
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 – 2080 Dysferlin
Topological domain 1 – 2046 Cytoplasmic
Domain 366 – 479 C2 3


Literature citations

Dysferlin mutations in LGMD2B, Miyoshi myopathy, and atypical dysferlinopathies.
Nguyen K.; Bassez G.; Bernard R.; Krahn M.; Labelle V.; Figarella-Branger D.; Pouget J.; Hammouda el H.; Beroud C.; Urtizberea A.; Eymard B.; Leturcq F.; Ben-Yaou R.; Levy N.;
Hum. Mutat. 26:165-165(2005)
Cited for: VARIANTS ISOLATED HYPERCKEMIA GLU-170 AND TRP-253; VARIANTS LGMD2B TRP-555 AND MET-1208; VARIANTS MMD1 GLU-299; TRP-456; TRP-555; HIS-1046 AND GLN-1693; VARIANT PROXIMODISTAL MYOPATHY VAL-1276; VARIANT PSEUDOMETABOLIC MYOPATHY PRO-266; VARIANTS VAL-189; LEU-1331; SER-1351 AND VAL-1748;

Analysis of the DYSF mutational spectrum in a large cohort of patients.
Krahn M.; Beroud C.; Labelle V.; Nguyen K.; Bernard R.; Bassez G.; Figarella-Branger D.; Fernandez C.; Bouvenot J.; Richard I.; Ollagnon-Roman E.; Bevilacqua J.A.; Salvo E.; Attarian S.; Chapon F.; Pellissier J.-F.; Pouget J.; Hammouda el H.; Laforet P.; Urtizberea J.A.; Eymard B.; Leturcq F.; Levy N.;
Hum. Mutat. 30:E345-E375(2009)
Cited for: VARIANTS LGMD2B ARG-52; ARG-155; GLU-170; GLU-234; THR-284; TRP-555; ARG-618; ARG-731; CYS-930; GLN-1022; PRO-1228; THR-1526; ASP-1543; TRP-1768; SER-1970 AND CYS-2042; VARIANTS MMD1 GLU-299; 386-PHE--ASP-390 DELINS TYR; ARG-426; TRP-456; TRP-555; LEU-1029; HIS-1046; HIS-1046; GLN-1693; 1938-THR-ALA-1939 DEL AND CYS-2042; VARIANTS ISOLATED HYPERCKEMIA GLU-170; TRP-253 AND TRP-555; VARIANTS PROXIMODISTAL MYOPATHY ARG-299; ARG-340; VAL-1748; TRP-1768 AND CYS-2042; VARIANT PSEUDOMETABOLIC MYOPATHY PRO-266; VARIANTS VAL-84; VAL-189; ALA-335; LEU-374; ASN-390; GLN-819; GLN-1038; VAL-1276; VAL-1325; ASN-1837 AND SER-1967;

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.