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UniProtKB/Swiss-Prot P13569: Variant p.Gln98Arg

Cystic fibrosis transmembrane conductance regulator
Gene: CFTR
Variant information

Variant position:  98
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Type of variant:  Disease [Disclaimer]
The variants are classified into three categories: Disease, Polymorphism and Unclassified.
  • Disease: Variants implicated in disease according to literature reports.
  • Polymorphism: Variants not reported to be implicated in disease.
  • Unclassified: Variants with uncertain implication in disease according to literature reports. Evidence against or in favor of a pathogenic role is limited and/or conflicting.

Residue change:  From Glutamine (Q) to Arginine (R) at position 98 (Q98R, p.Gln98Arg).
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:  Change from medium size and polar (Q) to large size and basic (R)
The physico-chemical property of the reference and variant residues and the change implicated.

BLOSUM score:  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:  In CF.
Any additional useful information about the variant.

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



Sequence information

Variant position:  98
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Protein sequence length:  1480
The length of the canonical sequence.

Location on the sequence:   FWRFMFYGIFLYLGEVTKAV  Q PLLLGRIIASYDPDNKEERS
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: 
The multiple alignment of the region surrounding the variant against various orthologous sequences.

Human                         FWRFMFYGIFLYLGEVTKAVQPLLLGRIIASYDPDNKEERS

Gorilla                       FWRFMFYGIFLYLGEVTKAVQPLLLGRIIASYDPDNKEERS

                              FWRFAFYGILLYLGEVTKAVQPLLLGRIIASYDPDNKQERS

Rhesus macaque                FWRFMFYGILLYLGEVTKAVQPLLLGRIIASYDPDNKEERS

Chimpanzee                    FWRFMFYGIFLYLGEVTKAVQPLLLGRIIASYDPDNKEERS

Mouse                         FWRFLFYGILLYLGEVTKAVQPVLLGRIIASYDPENKVERS

Rat                           VWRFVFYGVLLYLGEVTKAVQPVLLGRIIASYDPDNTEERS

Pig                           FWRFMFYGIILYLGEVTKAVQPLLLGRIIASYDPDNKAERS

Bovine                        FWRFMFYGIILYLGEVTKAVQPLLLGRIIASYDPDNKVERS

Rabbit                        FWRFMFYGILLYLGEVTKAVQPLLLGRIIASYDPDNKVERS

Sheep                         FWRFMFYGIILYLGEVTKAVQPLLLGRIIASYDPDNKVERS

Horse                         FWRFMFYGIILYLGEVTKAVQPLLLGRIIASYDPDNEAERS

Xenopus laevis                FWKFLFYGILLYLGEVTKAVQPLLLGRIIASYDRDNEHERS

Zebrafish                     IKPFLLFGFLLYIGEATKTVQPQLLGRIIASFDPAHEPERA

Sequence annotation in neighborhood:  
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 – 1480 Cystic fibrosis transmembrane conductance regulator
Transmembrane 78 – 98 Helical; Name=1
Domain 81 – 365 ABC transmembrane type-1 1
Helix 98 – 107


Literature citations

Novel missense mutation in the first transmembrane segment of the CFTR gene (Q98R) identified in a male adult.
Romey M.-C.; Desgeorges M.; Ray P.; Godard P.; Demaille J.; Claustres M.;
Hum. Mutat. 6:190-191(1995)
Cited for: VARIANT CF ARG-98;

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.