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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P05062: Variant p.Ala338Val

Fructose-bisphosphate aldolase B
Gene: ALDOB
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Variant information Variant position: help 338 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 Alanine (A) to Valine (V) at position 338 (A338V, p.Ala338Val). 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 hydrophobic (A) to medium size and hydrophobic (V) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help 0 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 HFI; Turkey and South Europe. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 338 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 364 The length of the canonical sequence.
Location on the sequence: help AANKEATQEAFMKRAMANCQ A AKGQYVHTGSSGAASTQSLF 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                         AANKEATQEAFMKRAMANCQAAKGQYVHTGSSGAASTQSLF

Mouse                         AANKKATQEAFMKRAMANCQAAQGQYVHTGSSGAAATQSLF

Rat                           AANKKATQEAFMKRAVANCQAAQGQYVHTGSSGAASTQSLF

Bovine                        AENKKTTQEAFMKRALANSQAAKGQYVHMGSSGSASTQSLF

Rabbit                        AENKKATQEAFMKRAVVNCQAAKGQYVHTGSSGAASTQSLF

Sheep                         AENKKATQEAFMKRALANSQAAKGQYVHMGSSDSASTQSLF

Chicken                       SENKKAAQEAFCKRAQINSLACRGQYVTSGKTDTAATQSLF

Zebrafish                     AANKKASQDAFVTRAKINSLASKGEYKPSGQAGQASTQSLF
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 – 364 Fructose-bisphosphate aldolase B
Helix 321 – 338



Literature citations
Screening for hereditary fructose intolerance mutations by reverse dot-blot.
Lau J.; Tolan D.R.;
Mol. Cell. Probes 13:35-40(1999)
Cited for: VARIANTS HFI PRO-150; ASP-175; PRO-257; TRP-304; LYS-335 AND VAL-338; Six novel alleles identified in Italian hereditary fructose intolerance patients enlarge the mutation spectrum of the aldolase B gene.
Esposito G.; Santamaria R.; Vitagliano L.; Ieno L.; Viola A.; Fiori L.; Parenti G.; Zancan L.; Zagari A.; Salvatore F.;
Hum. Mutat. 24:534-534(2004)
Cited for: VARIANTS HFI THR-74; 120-ASN-LYS-121 DEL; PRO-150; ASP-175; PHE-222; PRO-229; PRO-257; LYS-335 AND VAL-338; CHARACTERIZATION OF VARIANTS HFI THR-74; PHE-222 AND PRO-229;
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.