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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q15319: Variant p.Asp64Val

POU domain, class 4, transcription factor 3
Gene: POU4F3
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Variant information Variant position: help 64 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 Valine (V) at position 64 (D64V, p.Asp64Val). 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 hydrophobic (V) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -3 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 DFNA15. Any additional useful information about the variant.


Sequence information Variant position: help 64 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 NIFGSFDESLLARAEALAAV D IVSHGKNHPFKPDATYHTMS 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                         NIFGSFDESLLARAEALAAVDIVSHGKNHPFKPDATYHTMS

Mouse                         NIFGSFDESLLARAEALAAVDIVSHGKNHPFKPDATYHTMS

Rat                           NIFGSFDESLLARAEALAAVDIVSHGKNHPFKPDATYHTMS

Zebrafish                     NIFSGFDESLLARAEALAAADIVSHGKSHPFKTDVTYHTMS
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 – 338 POU domain, class 4, transcription factor 3
Motif 56 – 65 POU-IV box



Literature citations
POU4F3 mutation screening in Japanese hearing loss patients: Massively parallel DNA sequencing-based analysis identified novel variants associated with autosomal dominant hearing loss.
Kitano T.; Miyagawa M.; Nishio S.Y.; Moteki H.; Oda K.; Ohyama K.; Miyazaki H.; Hidaka H.; Nakamura K.I.; Murata T.; Matsuoka R.; Ohta Y.; Nishiyama N.; Kumakawa K.; Furutate S.; Iwasaki S.; Yamada T.; Ohta Y.; Uehara N.; Noguchi Y.; Usami S.I.;
PLoS ONE 12:E0177636-E0177636(2017)
Cited for: VARIANTS DFNA15 VAL-64; 143-GLN--HIS-338 DEL; 192-GLU--HIS-338 DEL; TYR-194; LEU-222; TYR-240; VAL-281; LEU-299 AND 326-ARG--HIS-338 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.