UniProtKB/SwissProt variant VAR

Variant information

Variant position:

487

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

Type of variant:

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:

From Leucine (L) to Proline (P) at position 487 (L487P, p.Leu487Pro).

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:

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:

-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:

In GHDD.

Any additional useful information about the variant.

Other resources:

Links to websites of interest for the variant.

Variant rs199422114 [ dbSNP | Ensembl ]

Sequence information

Variant position:

487

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

Protein sequence length:

533

The length of the canonical sequence.

Location on the sequence:

FTYLPFGAGPRSCLGVRLGL L EVKLTLLHVLHKFRFQACPE

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                         FTYLPFGAGPRSCLGVRLGLLEVKLTLLHVLHKFRFQACPE

Mouse                         FTYLPFGAGPRSCLGVRLGLLVVKLTILQVLHKFRFEASPE

Rat                           FTYLPFGAGPRSCLGVRLGLLVVKLTLLQVLHKFRFEACPE

Pig                           FTYLPFGAGPRSCLGVQLGLLEIKLTLLHILRKFRFEACPE

Bovine                        YTYLPFGAGPRSCLGVRLGLLELKLTLLHILRKFRFEACPE

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.

Type	Positions	Description
Chain	1 – 533	Thromboxane-A synthase
Topological domain	357 – 533	Cytoplasmic
Binding site	479 – 479	axial binding residue
Alternative sequence	460 – 533	Missing. In isoform 4.
Mutagenesis	477 – 477	R -> A. Loss of thromboxane-A synthase activity. Decreased heme-binding.
Mutagenesis	479 – 479	C -> SHY. Loss of thromboxane-A synthase activity. Decreased heme-binding.

Literature citations

Thromboxane synthase mutations in an increased bone density disorder (Ghosal syndrome).
Genevieve D.; Proulle V.; Isidor B.; Bellais S.; Serre V.; Djouadi F.; Picard C.; Vignon-Savoye C.; Bader-Meunier B.; Blanche S.; de Vernejoul M.-C.; Legeai-Mallet L.; Fischer A.-M.; Le Merrer M.; Dreyfus M.; Gaussem P.; Munnich A.; Cormier-Daire V.;
Nat. Genet. 40:284-286(2008)
Cited for: VARIANTS GHDD PRO-82; GLN-412; TRP-481 AND PRO-487; INVOLVEMENT IN GHDD; MUTAGENESIS OF CYS-479;

UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P24557: Variant p.Leu487Pro