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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot O14773: Variant p.Thr353Pro

Tripeptidyl-peptidase 1
Gene: TPP1
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Variant information Variant position: help 353 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 Threonine (T) to Proline (P) at position 353 (T353P, p.Thr353Pro). 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 (T) to medium size and hydrophobic (P) 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 CLN2. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 353 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 563 The length of the canonical sequence.
Location on the sequence: help SSAYIQRVNTELMKAAARGL T LLFASGDSGAGCWSVSGRHQ 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                         SSAYIQRVNT-ELMK-----------------AAARGLTLLFASGDSGAGCWSVS-GRHQ

                              SSAYIQRVNT-EFMK-----------------AAARGLTLL

Chimpanzee                    SSAYIQRVNT-ELMK-----------------AAARGLTLL

Mouse                         SSIYIQRVNT-EFMK-----------------AAARGLTLL

Rat                           SSVYIQRVNT-EFMK-----------------AAARGLTLL

Bovine                        SSTYIQRVNT-ELMK-----------------AAARGLTLL

Zebrafish                     SEAYMNRINI-EFMK-----------------AGLRGISML

Slime mold                    GLAYTDRVDT-EFKK-----------------YAAMGRTIV

Baker's yeast                 GESYNNDPNIFEKVR-----------------KPMTGMVEF

Fission yeast                 SNALSTPLERRKMIERESYKQVTTHTMQSWTSSLIRSLANK
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 196 – 563 Tripeptidyl-peptidase 1
Domain 199 – 563 Peptidase S53
Mutagenesis 360 – 360 D -> A. Inactive. Impaired processing.
Beta strand 353 – 357



Literature citations
Late infantile neuronal ceroid lipofuscinosis: quantitative description of the clinical course in patients with CLN2 mutations.
Steinfeld R.; Heim P.; von Gregory H.; Meyer K.; Ullrich K.; Goebel H.H.; Kohlschutter A.;
Am. J. Med. Genet. 112:347-354(2002)
Cited for: VARIANTS CLN2 GLN-127; SER-286 AND PRO-353;
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.