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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P50226: Variant p.Asn235Thr

Sulfotransferase 1A2
Gene: SULT1A2
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Variant information Variant position: help 235 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 Asparagine (N) to Threonine (T) at position 235 (N235T, p.Asn235Thr). 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 polar. 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

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


Sequence information Variant position: help 235 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 295 The length of the canonical sequence.
Location on the sequence: help LPEETVDLMVEHTSFKEMKK N PMTNYTTVRREFMDHSISPF 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.
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 – 295 Sulfotransferase 1A2



Literature citations
cDNA cloning and expression of a new form of human aryl sulfotransferase.
Zhu X.; Veronese M.E.; Iocco P.; McManus M.E.;
Int. J. Biochem. Cell Biol. 28:565-571(1996)
Cited for: NUCLEOTIDE SEQUENCE [MRNA]; VARIANTS THR-7; THR-235 AND GLU-282; Genomic organization and DNA sequences of two human phenol sulfotransferase genes (STP1 and STP2) on the short arm of chromosome 16.
Dooley T.P.; Huang Z.;
Biochem. Biophys. Res. Commun. 228:134-140(1996)
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]; VARIANTS THR-7; THR-235 AND GLU-282; Cloning, structural organization, and chromosomal mapping of the human phenol sulfotransferase STP2 gene.
Gaedigk A.; Beatty B.G.; Grant D.M.;
Genomics 40:242-246(1997)
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]; VARIANTS THR-7; THR-235 AND GLU-282; Association between functional genetic polymorphisms of human sulfotransferases 1A1 and 1A2.
Engelke C.E.; Meinl W.; Boeing H.; Glatt H.;
Pharmacogenetics 10:163-169(2000)
Cited for: VARIANT THR-235;
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.