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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P34059: Variant p.Ala392Val

N-acetylgalactosamine-6-sulfatase
Gene: GALNS
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Variant information Variant position: help 392 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 392 (A392V, p.Ala392Val). 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 MPS4A. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 392 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 522 The length of the canonical sequence.
Location on the sequence: help LLQGRLMDRPIFYYRGDTLM A ATLGQHKAHFWTWTNSWENF 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                         LLQGRLMDRPIFYYRGDTLMAATLGQHKAHFWTWTNSWENF

                              MLGGQLTDRPIFYYRGDTLMAVTLGQYKAHFWTWTNSWEEF

Mouse                         MLKGQMMDRPIFYYRGNTLMAVTLGQYKAHLWTWTNSWEEF

Rat                           MLQGHIIDRPIFYYRGNTLMAVTLGQYKAHLWTWTNSWEEF

Pig                           MLQGRLTERPIFYYRGNTLMAATLGQYKAHFWTWTNSWEEF

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 27 – 522 N-acetylgalactosamine-6-sulfatase
Disulfide bond 308 – 419
Beta strand 389 – 395



Literature citations
Mutation and polymorphism spectrum of the GALNS gene in mucopolysaccharidosis IVA (Morquio A).
Tomatsu S.; Montano A.M.; Nishioka T.; Gutierrez M.A.; Pena O.M.; Tranda Firescu G.G.; Lopez P.; Yamaguchi S.; Noguchi A.; Orii T.;
Hum. Mutat. 26:500-512(2005)
Cited for: VARIANTS MPS4A MET-15; 17-LEU-SER-18 DEL; ARG-23; PRO-36; LEU-41; GLU-42; 52-PRO--GLU-55 DEL; PHE-53; TRP-61; VAL-69; 71-ASN--SER-74 DELINS THR; TYR-79; LEU-94; THR-107; SER-116; CYS-141; TYR-150; GLU-155; PHE-162; THR-164; VAL-167; ALA-171; SER-179; VAL-203; ASN-233; PHE-239; TRP-253; ASP-260; PHE-285 DEL; PRO-307; ASN-310; CYS-325; ASP-340; ARG-341; PRO-345; PRO-352; LEU-357; PRO-369; THR-380; SER-380; HIS-386; ASN-388; VAL-392; ASP-398; TYR-401; 403-TRP-THR-404 DEL; ILE-452; PRO-470 AND SER-484; VARIANTS MET-67; VAL-178; MET-200; GLY-231; SER-393; VAL-459 AND MET-488; Molecular testing of 163 patients with Morquio A (Mucopolysaccharidosis IVA) identifies 39 novel GALNS mutations.
Morrone A.; Tylee K.L.; Al-Sayed M.; Brusius-Facchin A.C.; Caciotti A.; Church H.J.; Coll M.J.; Davidson K.; Fietz M.J.; Gort L.; Hegde M.; Kubaski F.; Lacerda L.; Laranjeira F.; Leistner-Segal S.; Mooney S.; Pajares S.; Pollard L.; Ribeiro I.; Wang R.Y.; Miller N.;
Mol. Genet. Metab. 112:160-170(2014)
Cited for: VARIANTS MPS4A GLU-16; ARG-36; ASN-40; GLY-48; LYS-51; ARG-77; LEU-80; LEU-81; GLU-84; TRP-90; PRO-91; CYS-94; LEU-94; PHE-113; VAL-116; SER-116; SER-139; ARG-141; TYR-145; LEU-151; ARG-155; LEU-156; ARG-166; SER-179; GLU-201; PRO-214; SER-216; GLY-230; ASN-233; LYS-235; THR-264; LEU-287; THR-291; CYS-301; SER-312; ARG-318; LEU-357; GLY-380; THR-380; CYS-386; HIS-386; VAL-391; VAL-392; HIS-407; VAL-415; THR-416; ARG-420; THR-492; VAL-494; SER-500 AND PHE-507; VARIANTS PHE-74; ASP-121; CYS-159; TYR-165; GLN-251; CYS-254; LYS-260 AND LYS-495; CHARACTERIZATION OF VARIANTS MPS4A GLU-16; ARG-36; LYS-51; LEU-81; GLU-84; PRO-91; VAL-116; TYR-145; LEU-156; ARG-166; GLU-201; PRO-214; SER-216; THR-264; GLY-380; VAL-415; THR-416; ARG-420; THR-492 AND SER-500;
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.