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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9Y5Z9: Variant p.Asp112Asn

UbiA prenyltransferase domain-containing protein 1
Gene: UBIAD1
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Variant information Variant position: help 112 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 Asparagine (N) at position 112 (D112N, p.Asp112Asn). 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 medium size and polar (N) 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 SCCD; reduced menaquinone-4 (MK-4) synthesis. Any additional useful information about the variant.


Sequence information Variant position: help 112 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 338 The length of the canonical sequence.
Location on the sequence: help LAVHGAGNLVNTYYDFSKGI D HKKSDDRTLVDRILEPQDVV 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                         LAVHGAGNLVNTYYDFSKGIDHK-KSDDRTLVDRILEPQDVV

Mouse                         LAVHGAGNLVNTYYDFSKGIDHK-KSDDRTLVDRILEPQDV

Rat                           LAVHGAGNLVNTYYDFSKGIDHK-KSDDRTLVDRILEPQDV

Chicken                       LAVHGAGNLVNTYYDFSKGIDHK-KSDDRTLVDQILEPQDV

Xenopus tropicalis            LAVHGAGNLVNTYYDFSKGIDHK-KSDDRTLVDHILEPQDV

Zebrafish                     LLVHGAGNLVNTYYDFSKGIDHK-KSDDRTLVDQILKPQDV

Drosophila                    VTVHCAGNVVNTYFDFIKGIDKQ-KADDRTLVDHILTKDEV

Slime mold                    VSLQALGNVVNSFYDCKNGNDTKEKSADRTMFDFGLTEGNI
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 2 – 338 UbiA prenyltransferase domain-containing protein 1



Literature citations
UBIAD1 mutation alters a mitochondrial prenyltransferase to cause Schnyder corneal dystrophy.
Nickerson M.L.; Kostiha B.N.; Brandt W.; Fredericks W.; Xu K.P.; Yu F.S.; Gold B.; Chodosh J.; Goldberg M.; Lu da W.; Yamada M.; Tervo T.M.; Grutzmacher R.; Croasdale C.; Hoeltzenbein M.; Sutphin J.; Malkowicz S.B.; Wessjohann L.; Kruth H.S.; Dean M.; Weiss J.S.;
PLoS ONE 5:E10760-E10760(2010)
Cited for: VARIANTS SCCD THR-97; SER-102; ASN-112; GLY-122; GLU-122 AND HIS-188; SUBCELLULAR LOCATION; The UBIAD1 prenyltransferase links menaquione-4 synthesis to cholesterol metabolic enzymes.
Nickerson M.L.; Bosley A.D.; Weiss J.S.; Kostiha B.N.; Hirota Y.; Brandt W.; Esposito D.; Kinoshita S.; Wessjohann L.; Morham S.G.; Andresson T.; Kruth H.S.; Okano T.; Dean M.;
Hum. Mutat. 34:317-329(2013)
Cited for: VARIANT GLU-177; CHARACTERIZATION OF VARIANTS SCCD SER-102; ASN-112; GLU-177 AND ARG-177; INTERACTION WITH HMGCR AND SOAT1;
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.