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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9Y3C8: Variant p.Arg23Gln

Ubiquitin-fold modifier-conjugating enzyme 1
Gene: UFC1
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Variant information Variant position: help 23 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 Arginine (R) to Glutamine (Q) at position 23 (R23Q, p.Arg23Gln). 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 (R) to medium size and polar (Q) 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 NEDSG; decreased ability to form thioester bond with UFM1; decreased protein ufmylation. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 23 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 167 The length of the canonical sequence.
Location on the sequence: help DEATRRVVSEIPVLKTNAGP R DRELWVQRLKEEYQSLIRYV 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                         DEATRRVVSEIPVLKTNAGPRDRELWVQRLKEEYQSLIRYV

Mouse                         DEATRRVVSEIPVLKTNAGPRDRELWVQRLKEEYQSLIRYV

Rat                           DEATRRVVSEIPVLKTNAGPRDRELWVQRLKEEYQSLIRYV

Bovine                        DEATRRVVSEIPVLKTNAGPRDRELWVQRLKEEYQSLIRYV

Zebrafish                     DEATRKAVSEIPLLKTNSGPRDKELWVQRLREEYLALIKYV

Caenorhabditis elegans        DDATKSSLKAIPLCKTKASPRDGDLWIERLKEEYEAIIAAV

Drosophila                    DDSTRKTLSNIPLLQIRAGPREKDVWVQRLKEEYQALIKYV

Slime mold                    DNHTKQTVQQIPLLTVKAGPRDGDKWIDRLKEEYQALIKYV
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 – 167 Ubiquitin-fold modifier-conjugating enzyme 1
Mutagenesis 30 – 30 Q -> A. Does not affect neither UBA5-binding nor thioester formation with UFM1.
Mutagenesis 32 – 32 L -> R. Abolished interaction with UFL1.
Mutagenesis 33 – 33 K -> A. Impairs binding to UBA5 and thioester formation with UFM1.
Mutagenesis 40 – 40 I -> R. Abolished interaction with UFL1.
Helix 22 – 24



Literature citations
Biallelic UFM1 and UFC1 mutations expand the essential role of ufmylation in brain development.
Nahorski M.S.; Maddirevula S.; Ishimura R.; Alsahli S.; Brady A.F.; Begemann A.; Mizushima T.; Guzman-Vega F.J.; Obata M.; Ichimura Y.; Alsaif H.S.; Anazi S.; Ibrahim N.; Abdulwahab F.; Hashem M.; Monies D.; Abouelhoda M.; Meyer B.F.; Alfadhel M.; Eyaid W.; Zweier M.; Steindl K.; Rauch A.; Arold S.T.; Woods C.G.; Komatsu M.; Alkuraya F.S.;
Brain 141:1934-1945(2018)
Cited for: FUNCTION; INTERACTION WITH UFM1; INTERACTION WITH UBA5; MUTAGENESIS OF CYS-116; ACTIVE SITE; INVOLVEMENT IN NEDSG; VARIANTS NEDSG GLN-23 AND ILE-106; CHARACTERIZATION OF VARIANTS NEDSG GLN-23 AND ILE-106;
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.