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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot O75503: Variant p.Arg63Pro

Bis(monoacylglycero)phosphate synthase CLN5
Gene: CLN5
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Variant information Variant position: help 63 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 Arginine (R) to Proline (P) at position 63 (R63P, p.Arg63Pro). 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 large size and basic (R) to medium size and hydrophobic (P) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -2 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 CLN5; Retained in the endoplasmic reticulum rather than reaching the lysosome. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 63 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 358 The length of the canonical sequence.
Location on the sequence: help RVSGIPSRRHWPVPYKRFDF R PKPDPYCQAKYTFCPTGSPI 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                         RVSGIPSRRHWPVPYKRFDFRPKPDPY-CQAKYTF--CPTGSPI

                              -AAGGPSRRQWPVPYKRFSFRPEPDPY-CQAKYTF--CPTG

Mouse                         PTSG----QRWPVPYKRFSFRPKTDPY-CQAKYTF--CPTG

Bovine                        AVAGDPSRRQWPVPYKRFSFRPEPDPY-CQAKYTF--CPTG

Sheep                         AAAGDPSRRQWPVPYKRFSFRPEPDPY-CQAKYTF--CPTG

Slime mold                    -----------------LSQIPDNDPELCQQRIQREDCPQ-
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 – 358 Bis(monoacylglycero)phosphate synthase CLN5
Chain 44 – 358 Bis(monoacylglycero)phosphate synthase CLN5, secreted form
Topological domain 41 – 358 Lumenal



Literature citations
Two novel CLN5 mutations in a Portuguese patient with vLINCL: insights into molecular mechanisms of CLN5 deficiency.
Bessa C.; Teixeira C.A.; Mangas M.; Dias A.; Sa Miranda M.C.; Guimaraes A.; Ferreira J.C.; Canas N.; Cabral P.; Ribeiro M.G.;
Mol. Genet. Metab. 89:245-253(2006)
Cited for: VARIANTS CLN5 PRO-63 AND ASN-230; The neuronal ceroid lipofuscinosis protein CLN5: new insights into cellular maturation, transport, and consequences of mutations.
Schmiedt M.L.; Bessa C.; Heine C.; Ribeiro M.G.; Jalanko A.; Kyttaelae A.;
Hum. Mutat. 31:356-365(2010)
Cited for: CHARACTERIZATION OF VARIANTS CLN5 PRO-63; HIS-63 AND ASN-230; PROTEOLYTIC CLEAVAGE; SUBCELLULAR LOCATION (SECRETED FORM); GLYCOSYLATION;
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.