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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot O95255: Variant p.Leu1335Pro

ATP-binding cassette sub-family C member 6
Gene: ABCC6
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Variant information Variant position: help 1335 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help LP/P [Disclaimer] 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 Leucine (L) to Proline (P) at position 1335 (L1335P, p.Leu1335Pro). 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
Variant description: help In PXE. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 1335 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 1503 The length of the canonical sequence.
Location on the sequence: help LQEAAEGGIWIDGVPIAHVG L HTLRSRISIIPQDPILFPGS 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                         LQEAAEGGIWIDGVPIAHVGLHTLRSRISIIPQDPILFPGS

Mouse                         LQEAAEGNIWIDGVPITHVGLHTLRSRITIIPQDPVLFPGS

Rat                           LQEATEGGIWIDGVPITDMGLHTLRSRITIIPQDPVLFPGS
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 1 – 1503 ATP-binding cassette sub-family C member 6
Topological domain 1220 – 1503 Cytoplasmic
Domain 1265 – 1499 ABC transporter 2
Alternative sequence 100 – 1503 Missing. In isoform 2.
Alternative sequence 872 – 1503 Missing. In isoform 3.
Helix 1335 – 1340



Literature citations
Novel ABCC6 mutations in pseudoxanthoma elasticum.
Chassaing N.; Martin L.; Mazereeuw J.; Barrie L.; Nizard S.; Bonafe J.L.; Calvas P.; Hovnanian A.;
J. Invest. Dermatol. 122:608-613(2004)
Cited for: VARIANTS PXE VAL-74 DEL; 363-GLN--ARG-373 DEL; GLY-391; GLN-518; ASP-766; MET-1130; GLN-1138; HIS-1238; PRO-1335 AND LYS-1400; Spectrum of genetic variation at the ABCC6 locus in South Africans: Pseudoxanthoma elasticum patients and healthy individuals.
Ramsay M.; Greenberg T.; Lombard Z.; Labrum R.; Lubbe S.; Aron S.; Marais A.S.; Terry S.; Bercovitch L.; Viljoen D.;
J. Dermatol. Sci. 54:198-204(2009)
Cited for: VARIANTS PXE GLN-518; PRO-726; GLN-1138; ARG-1302; PRO-1335 AND CYS-1339; VARIANTS THR-78; GLY-265; MET-417; ALA-614; GLN-632; LEU-724; VAL-742; VAL-848 AND ILE-946;
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.