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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot O60701: Variant p.Pro175Ala

UDP-glucose 6-dehydrogenase
Gene: UGDH
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Variant information Variant position: help 175 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 Proline (P) to Alanine (A) at position 175 (P175A, p.Pro175Ala). 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 hydrophobic (P) to small size and hydrophobic (A) 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 DEE84; uncertain significance. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 175 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 494 The length of the canonical sequence.
Location on the sequence: help QVLSNPEFLAEGTAIKDLKN P DRVLIGGDETPEGQRAVQAL 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                         QVLSNPEFLAEGTAIKDLKNPDRVLIGGDETPEGQRAVQAL

Mouse                         QVLSNPEFLAEGTAIKDLKNPDRVLIGGDETPEGQKAVRAL

Rat                           QVLSNPEFLAEGTAIKDLKNPDRVLIGGDETPEGQRAVQAL

Bovine                        QVLSNPEFLAEGTAIKDLKNPDRVLIGGDETPEGQRAVQAL

Chicken                       QVLSNPEFLAEGTAIKDLKNPDRVLIGGDDSPEGQKAVRAL

Caenorhabditis elegans        QVLSNPEFLAEGTAMKDLANPDRVLIGGESSPEGLQAVAEL

Drosophila                    DILSNPEFLAEGTAINDLLNADRVLIGGEETPEGHQAVEKL

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 – 494 UDP-glucose 6-dehydrogenase
Active site 161 – 161 Proton donor/acceptor
Binding site 165 – 165
Mutagenesis 161 – 161 E -> Q. Abolishes hydrolysis of the covalent intermediate between substrate and the catalytic cysteine residue.



Literature citations
Loss-of-function mutations in UDP-Glucose 6-Dehydrogenase cause recessive developmental epileptic encephalopathy.
Hengel H.; Bosso-Lefevre C.; Grady G.; Szenker-Ravi E.; Li H.; Pierce S.; Lebigot E.; Tan T.T.; Eio M.Y.; Narayanan G.; Utami K.H.; Yau M.; Handal N.; Deigendesch W.; Keimer R.; Marzouqa H.M.; Gunay-Aygun M.; Muriello M.J.; Verhelst H.; Weckhuysen S.; Mahida S.; Naidu S.; Thomas T.G.; Lim J.Y.; Tan E.S.; Haye D.; Willemsen M.A.A.P.; Oegema R.; Mitchell W.G.; Pierson T.M.; Andrews M.V.; Willing M.C.; Rodan L.H.; Barakat T.S.; van Slegtenhorst M.; Gavrilova R.H.; Martinelli D.; Gilboa T.; Tamim A.M.; Hashem M.O.; Al-Sayed M.D.; Abdulrahim M.M.; Al-Owain M.; Awaji A.; Mahmoud A.A.H.; Faqeih E.A.; Asmari A.A.; Algain S.M.; Jad L.A.; Aldhalaan H.M.; Helbig I.; Koolen D.A.; Riess A.; Kraegeloh-Mann I.; Bauer P.; Gulsuner S.; Stamberger H.; Ng A.Y.J.; Tang S.; Tohari S.; Keren B.; Schultz-Rogers L.E.; Klee E.W.; Barresi S.; Tartaglia M.; Mor-Shaked H.; Maddirevula S.; Begtrup A.; Telegrafi A.; Pfundt R.; Schuele R.; Ciruna B.; Bonnard C.; Pouladi M.A.; Stewart J.C.; Claridge-Chang A.; Lefeber D.J.; Alkuraya F.S.; Mathuru A.S.; Venkatesh B.; Barycki J.J.; Simpson M.A.; Jamuar S.S.; Schoels L.; Reversade B.;
Nat. Commun. 11:595-595(2020)
Cited for: VARIANTS DEE84 CYS-14; THR-24; THR-42; VAL-44; 65-ARG--VAL-494 DEL; ALA-72; THR-82; THR-116; 155-GLN--VAL-494 DEL; ALA-175; ASP-217; THR-255; ARG-271; ILE-303; VAL-306; GLN-317; 356-TYR--VAL-494 DEL; CYS-367; TRP-393; SER-410; TRP-442; HIS-443 AND ARG-449; CHARACTERIZATION OF VARIANTS DEE84 VAL-44 AND THR-82; INVOLVEMENT IN DEE84; FUNCTION; CATALYTIC ACTIVITY; SUBUNIT;
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.