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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9H993: Variant p.Ile264Val

Damage-control phosphatase ARMT1
Gene: ARMT1
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Variant information Variant position: help 264 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 Isoleucine (I) to Valine (V) at position 264 (I264V, p.Ile264Val). 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 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

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


Sequence information Variant position: help 264 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 441 The length of the canonical sequence.
Location on the sequence: help SATRVYIVLDNSGFELVTDL I LADFLLSSELATEVHFYGKT 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                         SATRVYIVLDNSGFELVTDLILADFLLSSELATEVHFYGKT

Mouse                         PVVRVDIVLDNSGFELITDLVLADFLFSSELATEIHFHGKS

Rat                           PAVRVDIVLDNSGFELVTDLVFADFLLSSELATEIHFHGKI

Bovine                        SVTRVDIVLDNSGFELITDLVLADFLLSSKLATKIHFYGKT

Xenopus laevis                LMKRVDIVLDNAGFELITDFVLADALLSFRLASEVHFHGKC

Xenopus tropicalis            LMKRVDIVLDNAGFELITDFVLADALLSLRLASEVHFHAKC

Zebrafish                     KHARVDIILDNAGFELVTDLVLADFLISSGLAKQIRFHGKS

Baker's yeast                 REIRVDFVLDNSGFELYADLMLAAFLLQSGLATKCIFHAKD

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 2 – 441 Damage-control phosphatase ARMT1
Binding site 253 – 253
Binding site 254 – 254
Binding site 258 – 258
Helix 256 – 271



Literature citations
No reference for the current variant in UniProtKB/Swiss-Prot.
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.