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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P17661: Variant p.Ser46Phe

Gene: DES
Variant information Variant position: help 46 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 Serine (S) to Phenylalanine (F) at position 46 (S46F, p.Ser46Phe). 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 small size and polar (S) to large size and aromatic (F) 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 MFM1; exhibits significantly delayed filament assembly kinetics when bound to NEB; enhanced binding affinity towards NEB. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.

Sequence information Variant position: help 46 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 470 The length of the canonical sequence.
Location on the sequence: help LGSPLSSPVFPRAGFGSKGS S SSVTSRVYQVSRTSGGAGGL 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.






Chicken                       -----TSPVFP-RASFGSRG-SGSSVTSRVYQVSRTS-AVP

Xenopus laevis                ------SPSFSTRSSFGSKGASSSSVSSRVYQVSRST-AAP

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.
Chain 2 – 470 Desmin
Region 2 – 108 Head
Modified residue 28 – 28 Phosphoserine; by CDK1
Modified residue 31 – 31 Phosphoserine
Modified residue 32 – 32 Phosphoserine; by CDK1
Modified residue 37 – 37 Asymmetric dimethylarginine; alternate
Modified residue 37 – 37 Omega-N-methylarginine; alternate
Modified residue 45 – 45 Phosphoserine
Modified residue 58 – 58 ADP-ribosylarginine
Modified residue 60 – 60 Phosphoserine; by AURKB

Literature citations
Myofibrillar myopathy: clinical, morphological and genetic studies in 63 patients.
Selcen D.; Ohno K.; Engel A.G.;
Brain 127:439-451(2004)
Cited for: VARIANTS MFM1 ILE-2; TYR-46; PHE-46 AND THR-449; Nebulin binding impedes mutant desmin filament assembly.
Baker L.K.; Gillis D.C.; Sharma S.; Ambrus A.; Herrmann H.; Conover G.M.;
Mol. Biol. Cell 24:1918-1932(2013)
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.