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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P22607: Variant p.Cys228Arg

Fibroblast growth factor receptor 3
Gene: FGFR3
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Variant information Variant position: help 228 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 Cysteine (C) to Arginine (R) at position 228 (C228R, p.Cys228Arg). 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 polar (C) to large size and basic (R) 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 a colorectal adenocarcinoma sample; somatic mutation. Any additional useful information about the variant.


Sequence information Variant position: help 228 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 806 The length of the canonical sequence.
Location on the sequence: help HQQWSLVMESVVPSDRGNYT C VVENKFGSIRQTYTLDVLER 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                         HQQWSLVMESVVPSDRGNYTCVVENKFGSIRQTYTLDVLER

Mouse                         HQQWSLVMESVVPSDRGNYTCVVENKFGSIRQTYTLDVLER

Chicken                       HQQWSLVMESVVPSDRGNYTCVVENKYGNIRHTYQLDVLER

Xenopus laevis                HQQWSLVMESVVPSDKGNYTCVVENKYGSIRQTYQLDVLER

Zebrafish                     HQQWSLVMESAVPSDRGNYTCVVQNKYGSIKHTYQLDVLER

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 23 – 806 Fibroblast growth factor receptor 3
Topological domain 23 – 375 Extracellular
Domain 151 – 244 Ig-like C2-type 2
Glycosylation 225 – 225 N-linked (GlcNAc...) asparagine
Disulfide bond 176 – 228
Beta strand 226 – 232



Literature citations
Patterns of somatic mutation in human cancer genomes.
Greenman C.; Stephens P.; Smith R.; Dalgliesh G.L.; Hunter C.; Bignell G.; Davies H.; Teague J.; Butler A.; Stevens C.; Edkins S.; O'Meara S.; Vastrik I.; Schmidt E.E.; Avis T.; Barthorpe S.; Bhamra G.; Buck G.; Choudhury B.; Clements J.; Cole J.; Dicks E.; Forbes S.; Gray K.; Halliday K.; Harrison R.; Hills K.; Hinton J.; Jenkinson A.; Jones D.; Menzies A.; Mironenko T.; Perry J.; Raine K.; Richardson D.; Shepherd R.; Small A.; Tofts C.; Varian J.; Webb T.; West S.; Widaa S.; Yates A.; Cahill D.P.; Louis D.N.; Goldstraw P.; Nicholson A.G.; Brasseur F.; Looijenga L.; Weber B.L.; Chiew Y.-E.; DeFazio A.; Greaves M.F.; Green A.R.; Campbell P.; Birney E.; Easton D.F.; Chenevix-Trench G.; Tan M.-H.; Khoo S.K.; Teh B.T.; Yuen S.T.; Leung S.Y.; Wooster R.; Futreal P.A.; Stratton M.R.;
Nature 446:153-158(2007)
Cited for: VARIANTS [LARGE SCALE ANALYSIS] SER-79; ARG-228; MET-338; LEU-384; ASN-646 AND GLU-650;
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.