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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P15848: Variant p.Cys192Arg

Arylsulfatase B
Gene: ARSB
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Variant information Variant position: help 192 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 Cysteine (C) to Arginine (R) at position 192 (C192R, p.Cys192Arg). 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 polar (C) to large size and basic (R) 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
Variant description: help In MPS6; mild form; severe reduction of activity. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 192 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 533 The length of the canonical sequence.
Location on the sequence: help SEDYYSHERCTLIDALNVTR C ALDFRDGEEVATGYKNMYST 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                         SEDYYSHERCTLIDALNVTRCALDFRDGEEV------ATGYKNMYST

Mouse                         SEDYYTHEACAPIESLNGTRCALDLRDGEEP------AKEY

Rat                           SEDYYTHEACAPIECLNGTRCALDLRDGEEP------AKEY

Cat                           SEDYYSHERCALIDSLNVTRCALDFRDGEQV------ATGY

Slime mold                    ----------AIATSANIGSSALPVGNPQNMIIATAGGLNF
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 37 – 533 Arylsulfatase B
Glycosylation 188 – 188 N-linked (GlcNAc...) asparagine
Disulfide bond 117 – 521
Disulfide bond 181 – 192
Beta strand 189 – 194



Literature citations
Mucopolysaccharidosis VI (Maroteaux-Lamy syndrome): six unique arylsulfatase B gene alleles causing variable disease phenotypes.
Isbrandt D.; Arlt G.; Brooks D.A.; Hopwood J.J.; von Figura K.; Peters C.;
Am. J. Hum. Genet. 54:454-463(1994)
Cited for: VARIANTS MPS6 ARG-144; ARG-192; PRO-321 AND TYR-521; CHARACTERIZATION OF VARIANTS MPS6; A novel mutation (Q239R) identified in a Taiwan Chinese patient with type VI mucopolysaccharidosis (Maroteaux-Lamy syndrome).
Wu J.-Y.; Yang C.-F.; Lee C.-C.; Chang J.-G.; Tsai F.-J.;
Hum. Mutat. 15:389-390(2000)
Cited for: VARIANTS MPS6 ARG-192 AND ARG-239; Mucopolysaccharidosis type VI: report of two Taiwanese patients and identification of one novel mutation.
Yang C.-F.; Wu J.-Y.; Lin S.-P.; Tsai F.-J.;
J. Formos. Med. Assoc. 100:820-823(2001)
Cited for: VARIANTS MPS6 ARG-192; ARG-239 AND LEU-399; VARIANT MET-358;
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.