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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9NX46: Variant p.Asp34Asn

ADP-ribosylhydrolase ARH3
Gene: ADPRS
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Variant information Variant position: help 34 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 Aspartate (D) to Asparagine (N) at position 34 (D34N, p.Asp34Asn). 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 CONDSIAS; 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 34 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 363 The length of the canonical sequence.
Location on the sequence: help AGAARSLSRFRGCLAGALLG D CVGSFYEAHDTVDLTSVLRH 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                         AGAARS---LSRFRGCLAGALLGDCVGSFYEAHDTVDLTSVLRH

Mouse                         ASAARS---ISRFRGCLAGALLGDCVGAVYEAHDTVSLASV

Bovine                        AGAARS---LSRFRGCLAGALLGDCVGAVYEARDTVDLTSV

Chicken                       AAVSRSRPPPARFRGCLAGALLGDCLGAVFEGRSVVKLPDL

Xenopus tropicalis            ---------VSRFRGSLLGALLGDCIGAVFEGHTNVTKEFL

Zebrafish                     VAPVMM---LSRFRGALVGSVLGDCIGGEFEGAVDVPLDRV

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 – 363 ADP-ribosylhydrolase ARH3
Binding site 41 – 41
Site 41 – 41 Glutamate flap
Mutagenesis 34 – 34 D -> G. Reduces hydrolase activity.
Mutagenesis 41 – 41 E -> AQ. Significant loss of activity. Does not affect recruitment to DNA lesion regions following DNA damage. Strongly reduced ability to hydrolyze proteins ADP-ribosylated on serine.
Helix 19 – 42



Literature citations
Biallelic mutations in ADPRHL2, encoding ADP-ribosylhydrolase 3, lead to a degenerative pediatric stress-induced epileptic ataxia syndrome.
Ghosh S.G.; Becker K.; Huang H.; Dixon-Salazar T.; Chai G.; Salpietro V.; Al-Gazali L.; Waisfisz Q.; Wang H.; Vaux K.K.; Stanley V.; Manole A.; Akpulat U.; Weiss M.M.; Efthymiou S.; Hanna M.G.; Minetti C.; Striano P.; Pisciotta L.; De Grandis E.; Altmueller J.; Nuernberg P.; Thiele H.; Yis U.; Okur T.D.; Polat A.I.; Amiri N.; Doosti M.; Karimani E.G.; Toosi M.B.; Haddad G.; Karakaya M.; Wirth B.; van Hagen J.M.; Wolf N.I.; Maroofian R.; Houlden H.; Cirak S.; Gleeson J.G.;
Am. J. Hum. Genet. 103:431-439(2018)
Cited for: INVOLVEMENT IN CONDSIAS; VARIANTS CONDSIAS ASN-34; PRO-79; 106-GLN--SER-363 DEL; LEU-177 AND 334-GLN--SER-363 DEL; CHARACTERIZATION OF VARIANTS CONDSIAS PRO-79; 106-GLN--SER-363 DEL AND 334-GLN--SER-363 DEL;
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.