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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot O43707: Variant p.Trp59Arg

Alpha-actinin-4
Gene: ACTN4
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Variant information Variant position: help 59 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 Tryptophan (W) to Arginine (R) at position 59 (W59R, p.Trp59Arg). 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 aromatic (W) to large size and basic (R) 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 FSGS1. Any additional useful information about the variant.


Sequence information Variant position: help 59 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 911 The length of the canonical sequence.
Location on the sequence: help DRDLLLDPAWEKQQRKTFTA W CNSHLRKAGTQIENIDEDFR 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                         DRDLLLDPAWEKQQRKTFTAWCNSHLRKAGTQIENIDEDFR

Mouse                         DRDLLLDPAWEKQQRKTFTAWCNSHLRKAGTQIENIDEDFR

Rat                           DRDLLLDPAWEKQQRKTFTAWCNSHLRKAGTQIENIDEDFR

Bovine                        DRDLLLDPAWEKQQRKTFTAWCNSHLRKAGTQIENIDEDFR

Chicken                       DRDLLLDPAWEKQQRKTFTAWCNSHLRKAGTQIENIDEDFR
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 – 911 Alpha-actinin-4
Domain 50 – 154 Calponin-homology (CH) 1
Region 1 – 269 Actin-binding
Region 40 – 61 Interaction with VCL
Alternative sequence 54 – 272 Missing. In isoform ACTN4ISO.
Helix 47 – 64



Literature citations
Mutations in the INF2 gene account for a significant proportion of familial but not sporadic focal and segmental glomerulosclerosis.
Barua M.; Brown E.J.; Charoonratana V.T.; Genovese G.; Sun H.; Pollak M.R.;
Kidney Int. 83:316-322(2013)
Cited for: VARIANTS FSGS1 ARG-59; GLN-72; LEU-153; GLU-255; ILE-259 AND PRO-262;
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.