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UniProtKB/Swiss-Prot P04118: Variant p.Arg109Cys

Gene: CLPS
Variant information

Variant position:  109
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Type of variant:  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:  From Arginine (R) to Cysteine (C) at position 109 (R109C, p.Arg109Cys).
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 large size and basic (R) to medium size and polar (C)
The physico-chemical property of the reference and variant residues and the change implicated.

BLOSUM score:  -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

Polymorphism:  Variant Cys-109 is statistically significantly associated with an increased risk of type 2 diabetes.
Additional information on the polymorphism described.

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

Sequence information

Variant position:  109
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Protein sequence length:  112
The length of the canonical sequence.

Location on the sequence:   DKTIVGSITNTNFGICHDAG  R SKQ
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                         DKTIVGSITNTNFGICHDAGRSKQ


Mouse                         DRSIIGAITNTNYGICLDSRRSKQ

Rat                           DRSIIGAITNTNYGVCLDSTRSKQ

Pig                           DKSLVGSITNTNFGICHDVGRSSD

Bovine                        DKTIVGSITNTNFGVCLDLGRATE

Rabbit                        DKSIVGSITNTNFGVCLDV-----

Xenopus tropicalis            DRSIVGSITNTDYGYCEDQNNTTI

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.

Chain 23 – 112 Colipase

Literature citations

Putative association between a new polymorphism in exon 3 (Arg109Cys) of the pancreatic colipase gene and type 2 diabetes mellitus in two independent Caucasian study populations.
Lindner I.; Helwig U.; Rubin D.; Li Y.; Fisher E.; Boeing H.; Mohlig M.; Spranger J.; Pfeiffer A.; Hampe J.; Schreiber S.; Doring F.; Schrezenmeir J.;
Mol. Nutr. Food Res. 49:972-976(2005)

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.