PROSITE documentation PDOC00353
Staphylocoagulase repeat signature


Staphylocoagulase [1,2] is an extracellular protein produced by several strains of Staphylococcus aureus and which specifically forms a complex with prothrombin. This complex named staphylothrombin can clot fibrinogen without any proteolytic cleavage of prothrombin.

The C-terminal of staphylocoagulase consists in the tandem repeat of a domain of 27 amino acids. There are from 6 to 8 of these repeats, depending on the strain of Staphylococcus aureus. The region containing these repeats is not required for the procoagulant activity.

We have derived a signature pattern specific for the 27 residues repeat of staphylocoagulase.

Last update:

November 1990 / First entry.


Technical section

PROSITE method (with tools and information) covered by this documentation:

STAPHYLOCOAGULASE, PS00429; Staphylocoagulase repeat signature  (PATTERN)


1AuthorsKaida S. Miyata T. Yoshizawa Y. Kawabata S. Morita T. Igarashi H. Iwanaga S.
TitleNucleotide sequence of the staphylocoagulase gene: its unique COOH-terminal 8 tandem repeats.
SourceJ. Biochem. 102:1177-1186(1987).
PubMed ID3481366

2AuthorsKaida S. Miyata T. Yoshizawa Y. Igarashi H. Iwanaga S.
TitleNucleotide and deduced amino acid sequences of staphylocoagulase gene from Staphylococcus aureus strain 213.
SourceNucleic Acids Res. 17:8871-8871(1989).
PubMed ID2587230

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