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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9P0J0: Variant p.Lys5Asn

NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13
Gene: NDUFA13
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Variant information Variant position: help 5 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help US 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 Lysine (K) to Asparagine (N) at position 5 (K5N, p.Lys5Asn). 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 (K) to medium size and polar (N) 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 a Hurthle cell variant of papillary carcinoma sample. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 5 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 144 The length of the canonical sequence.
Location on the sequence: help MAAS K VKQDMPPPGGYGPIDYKRNL 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                         MAASKVK--QDMPPPGGYGPIDYKRNL

Gorilla                       MGASKVK--QDMPPPGGYGPIDYKR

Chimpanzee                    MAASKVK--QDMPPPGGYGPIDYKR

Mouse                         MAASKVK--QDMPPPGGYGPIDYKR

Bovine                        MAASKVK--QDMPPVGGYGPIDYKR

Slime mold                    MVGYRQKWVQDLPPAGGFPKLKYAR

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
Initiator methionine 1 – 1 Removed
Chain 2 – 144 NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13
Modified residue 2 – 2 N-acetylalanine



Literature citations
Somatic and germline mutation in GRIM-19, a dual function gene involved in mitochondrial metabolism and cell death, is linked to mitochondrion-rich (Hurthle cell) tumours of the thyroid.
Maximo V.; Botelho T.; Capela J.; Soares P.; Lima J.; Taveira A.; Amaro T.; Barbosa A.P.; Preto A.; Harach H.R.; Williams D.; Sobrinho-Simoes M.;
Br. J. Cancer 92:1892-1898(2005)
Cited for: VARIANTS ASN-5 AND PRO-115; INVOLVEMENT IN SUSCEPTIBILITY TO HURTHLE CELL THYROID CARCINOMA;
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.