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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9UNM6: Variant p.Asn13Ser

26S proteasome non-ATPase regulatory subunit 13
Gene: PSMD13
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Variant information Variant position: help 13 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help LB/B 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 Asparagine (N) to Serine (S) at position 13 (N13S, p.Asn13Ser). 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 (N) to small size and polar (S) 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

Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 13 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 376 The length of the canonical sequence.
Location on the sequence: help MKDVPGFLQQSQ N SGPGQPAVWHRLEELYTKKL 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                         MKDVPGFLQQSQNSGPGQPAVWHRLEELYTKKL

Mouse                         MKDVPAFLQQSQSSGPGQAAVWHRLEELYTKKL

Rat                           MKDVPAFLQQSQSSGPGQAAVWHRLEELYTKKL

Bovine                        MKDVPGFLQQSQSSGPGQAAVWHRLEELYTKKL

Chicken                       MKDVPGFLQQSQSAGPGQAAVWHRLEELYNKKL

Slime mold                    TYKPLEYLEHLKKIVPDLSDQINNIKDTYENKL

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 – 376 26S proteasome non-ATPase regulatory subunit 13



Literature citations
Cloning of the human 26S proteasome subunit p40.5.
Ting M.C.; Chang L.Y.;
Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1); VARIANT SER-13; Identification, molecular cloning, and characterization of subunit 11 of the human 26S proteasome.
Hoffman L.; Gorbea C.; Rechsteiner M.;
FEBS Lett. 449:88-92(1999)
Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1); VARIANT SER-13; Cloning of human full-length CDSs in BD Creator(TM) system donor vector.
Kalnine N.; Chen X.; Rolfs A.; Halleck A.; Hines L.; Eisenstein S.; Koundinya M.; Raphael J.; Moreira D.; Kelley T.; LaBaer J.; Lin Y.; Phelan M.; Farmer A.;
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1); VARIANT SER-13; Submission
Mural R.J.; Istrail S.; Sutton G.G.; Florea L.; Halpern A.L.; Mobarry C.M.; Lippert R.; Walenz B.; Shatkay H.; Dew I.; Miller J.R.; Flanigan M.J.; Edwards N.J.; Bolanos R.; Fasulo D.; Halldorsson B.V.; Hannenhalli S.; Turner R.; Yooseph S.; Lu F.; Nusskern D.R.; Shue B.C.; Zheng X.H.; Zhong F.; Delcher A.L.; Huson D.H.; Kravitz S.A.; Mouchard L.; Reinert K.; Remington K.A.; Clark A.G.; Waterman M.S.; Eichler E.E.; Adams M.D.; Hunkapiller M.W.; Myers E.W.; Venter J.C.;
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]; VARIANT SER-13; The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).
The MGC Project Team;
Genome Res. 14:2121-2127(2004)
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]; VARIANT SER-13; Mass spectrometric characterization of the affinity-purified human 26S proteasome complex.
Wang X.; Chen C.-F.; Baker P.R.; Chen P.-L.; Kaiser P.; Huang L.;
Biochemistry 46:3553-3565(2007)
Cited for: VARIANT [LARGE SCALE ANALYSIS] SER-13; IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS];
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.