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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q96P31: Variant p.Pro660Leu

Fc receptor-like protein 3
Gene: FCRL3
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Variant information Variant position: help 660 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 Proline (P) to Leucine (L) at position 660 (P660L, p.Pro660Leu). 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 Similar physico-chemical property. Both residues are medium size and hydrophobic. 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

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


Sequence information Variant position: help 660 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 734 The length of the canonical sequence.
Location on the sequence: help PLAPMELEPMYSNVNPGDSN P IYSQIWSIQHTKENSANCPM 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.
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 18 – 734 Fc receptor-like protein 3
Topological domain 595 – 734 Cytoplasmic
Motif 660 – 665 ITIM motif 2
Modified residue 650 – 650 Phosphotyrosine
Modified residue 662 – 662 Phosphotyrosine
Alternative sequence 190 – 734 Missing. In isoform 4.
Alternative sequence 200 – 734 Missing. In isoform 5.
Mutagenesis 650 – 650 Y -> F. No effect on inhibition of cell death. No effect on interaction with INPP5D, PTPN6 and PTPN11. Loss of phosphorylation, calcium influx inhibition and interaction with INPP5D, PTPN6 and PTPN11; when associated with F-662; F-692 and F-722. Alters binding with SYK and ZAP70; when associated with F-662. Decreases calcium influx inhibition; when associated with F-662 and F-722. Decreases calcium influx inhibition; when associated with F-692 and F-722.
Mutagenesis 662 – 662 Y -> F. Reduces inhibition of cell death. Decreases interaction with INPP5D and PTPN6. No effect on interaction with PTPN11. Loss of phosphorylation, calcium influx inhibition and interaction with INPP5D, PTPN6 and PTPN11; when associated with F-650; F-692 and F-722. Alters binding with SYK and ZAP70; when associated with F-650. Decreases calcium influx inhibition; when associated with F-650 and F-722. Increases calcium influx inhibition; when associated with F-650 and F-722.



Literature citations
No reference for the current variant in UniProtKB/Swiss-Prot.
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.