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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9UKB5: Variant p.Gly263Arg

Adherens junction-associated protein 1
Gene: AJAP1
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Variant information Variant position: help 263 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help LB/B 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 Glycine (G) to Arginine (R) at position 263 (G263R, p.Gly263Arg). 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 glycine (G) to large size and basic (R) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -2 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

Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 263 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 411 The length of the canonical sequence.
Location on the sequence: help RRRIPGGVSTTEPSTSPSNN G EVTQPPRILGEASGLAVHQI 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                         RRRIPGGVSTTEPSTSPSNNGEVTQPPRILGEASGLAVHQI

Mouse                         WKRTPVGVSTTEPSTSPSSNGKDIQPPRILGETSGLAVHQI

Rat                           WKRTPVGVSTTEPSTSPSNNGKDIQPPRILGETSGLAVHQI

Xenopus tropicalis            -KKSPGRISTTDPN---PGNGKTARPPRIPNDTSGLAVHQI

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 44 – 411 Adherens junction-associated protein 1
Topological domain 44 – 282 Extracellular
Region 239 – 268 Disordered
Compositional bias 250 – 267 Polar residues



Literature citations
The SHREW1 gene, frequently deleted in oligodendrogliomas, functions to inhibit cell adhesion and migration.
McDonald J.M.; Dunlap S.; Cogdell D.; Dunmire V.; Wei Q.; Starzinski-Powitz A.; Sawaya R.; Bruner J.; Fuller G.N.; Aldape K.; Zhang W.;
Cancer Biol. Ther. 5:300-304(2006)
Cited for: FUNCTION; VARIANT ARG-263;
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.