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. 1988 May 15;252(1):87–93. doi: 10.1042/bj2520087

The amino acid sequence of a gonococcal growth inhibitor from Staphylococcus haemolyticus.

D C Watson 1, M Yaguchi 1, J G Bisaillon 1, R Beaudet 1, R Morosoli 1
PMCID: PMC1149110  PMID: 3138972

Abstract

A gonococcal inhibitor produced by Staphylococcus haemolyticus was separated into three components by reverse-phase h.p.l.c. The amino acid composition analysis of each of the three components indicated extensive similarities. N-Terminal sequence analysis of all three components allowed the identification of the first 27-30 residues of each. The complete primary structure of each component was determined from the sequence analysis of trypic peptides and peptides generated by mild acid hydrolysis. Each component is composed of 44 amino acid residues, with evidence suggesting the presence of an N-terminal formylmethionine residue in each. The components I, II and III have respectively 33, 29 and 33 identical amino acid residues in their sequences, which represents 75%, 65.9% and 75% homology. These components contain a high proportion of hydrophobic amino acids, and their hydrophobicity profiles are closely related. Also, each of the three components contains a positively charged residue (lysine) as the third residue, followed by a core of hydrophobic residues. These results suggest that the three components are possible signal sequences of one or more secreted or membrane-associated proteins.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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