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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P55017: Variant p.Asp62Asn

Solute carrier family 12 member 3
Gene: SLC12A3
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Variant information Variant position: help 62 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 Aspartate (D) to Asparagine (N) at position 62 (D62N, p.Asp62Asn). 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 medium size and acidic (D) to medium size and polar (N) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help 1 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 GTLMNS. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 62 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 1021 The length of the canonical sequence.
Location on the sequence: help PSHLTHSSTFCMRTFGYNTI D VVPTYEHYANSTQPGEPRKV 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                         PSHLTHSSTFCMRTFGYNTIDVVPTYEHYANSTQPGEPRKV

Mouse                         PSHLTHGSTLYMRTFGYNTIDVVPAYEHYANSALPGEPRKV

Rat                           PSHLTHGSTLYLRTFGYNTIDVVPAYEHYANSALPGEPRKV
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 – 1021 Solute carrier family 12 member 3
Topological domain 1 – 137 Cytoplasmic
Modified residue 43 – 43 Phosphoserine
Modified residue 46 – 46 Phosphothreonine; by OXSR1 and STK39
Modified residue 49 – 49 Phosphoserine
Modified residue 50 – 50 Phosphothreonine
Modified residue 55 – 55 Phosphothreonine; by OXSR1 and STK39
Modified residue 60 – 60 Phosphothreonine; by OXSR1 and STK39
Modified residue 73 – 73 Phosphoserine
Mutagenesis 46 – 46 T -> A. Decreased phosphorylation by OXSR1/OSR1 and STK39/SPAK.
Mutagenesis 55 – 55 T -> A. Decreased phosphorylation by OXSR1/OSR1 and STK39/SPAK.
Mutagenesis 60 – 60 T -> A. Decreased phosphorylation by OXSR1/OSR1 and STK39/SPAK.
Mutagenesis 62 – 62 D -> A. Abolished sodium and chloride ion cotransporter activity.
Mutagenesis 70 – 70 Y -> A. Abolished sodium and chloride ion cotransporter activity.



Literature citations
Novel molecular variants of the Na-Cl cotransporter gene are responsible for Gitelman syndrome.
Mastroianni N.; Bettinelli A.; Bianchetti M.; Colussi G.; De Fusco M.; Sereni F.; Ballabio A.; Casari G.;
Am. J. Hum. Genet. 59:1019-1026(1996)
Cited for: VARIANTS GTLMNS ASN-62; ASP-186; TRP-209; LEU-349; SER-439; GLU-478; ASN-486; CYS-496; PRO-542; VAL-588 AND ARG-731;
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.