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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P28331: Variant p.Asp252Gly

NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial
Gene: NDUFS1
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Variant information Variant position: help 252 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 Aspartate (D) to Glycine (G) at position 252 (D252G, p.Asp252Gly). 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 acidic (D) to glycine (G) 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 MC1DN5; also found in a patient with muscular hypotonia; loss of catalytic activity. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 252 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 727 The length of the canonical sequence.
Location on the sequence: help TSKPYAFTARPWETRKTESI D VMDAVGSNIVVSTRTGEVMR 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                         TSKPYAFTARPWETRKTESIDVMDAVGSNIVVSTRTGEVMR

Gorilla                       TSKPYAFTARPWETRKTESIDVMDAVGSNIVVSTRTGEVMR

Chimpanzee                    TSKPYAFTARPWETRKTESIDVMDAVGSNIVVSTRTGEVMR

Mouse                         TSKPYAFTARPWETRKTESIDVMDAVGSNIVVSTRTGEVMR

Rat                           TSKPYAFTARPWETRKTESIDVMDAVGSNIVVSTRTGEVMR

Bovine                        TSKPYAFTARPWETRKTESIDVMDAVGSNIVVSTRTGEVMR

Drosophila                    TNKPYSFVARPWEIRKVSSIDVLDAVGSNIVVSTRTNEVLR

Slime mold                    TSAVYAYKGRPWELKNIKGIDIFDTLLTPINYQVKGGEIFR
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 24 – 727 NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial
Domain 245 – 301 4Fe-4S Mo/W bis-MGD-type



Literature citations
Large-scale deletion and point mutations of the nuclear NDUFV1 and NDUFS1 genes in mitochondrial complex I deficiency.
Benit P.; Chretien D.; Kadhom N.; de Lonlay-Debeney P.; Cormier-Daire V.; Cabral A.; Peudenier S.; Rustin P.; Munnich A.; Roetig A.;
Am. J. Hum. Genet. 68:1344-1352(2001)
Cited for: INVOLVEMENT IN MC1DN5; VARIANTS MC1DN5 TRP-241 AND GLY-252; Mutations in NDUFS1 Cause Metabolic Reprogramming and Disruption of the Electron Transfer.
Ni Y.; Hagras M.A.; Konstantopoulou V.; Mayr J.A.; Stuchebrukhov A.A.; Meierhofer D.;
Cells 8:0-0(2019)
Cited for: VARIANTS MC1DN5 ALA-228 AND GLY-252; CHARACTERIZATION OF VARIANTS MC1DN5 ALA-228 AND GLY-252; FUNCTION; SUBUNIT; CATALYTIC ACTIVITY;
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.