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- W1929520690 endingPage "1059" @default.
- W1929520690 startingPage "1044" @default.
- W1929520690 abstract "Summary In Gram‐positive bacteria proteins are displayed on the cell surface using sortase enzymes. These cysteine transpeptidases join proteins bearing an appropriate sorting signal to strategically positioned amino groups on the cell surface. Working alone, or in concert with other enzymes, sortases either attach proteins to the cross‐bridge peptide of the cell wall or they link proteins together to form pili. Because surface proteins play a fundamental role in microbial physiology and are frequently virulence factors, sortase enzymes have been intensely studied since their discovery a little more than a decade ago. Based on their primary sequences and functions sortases can be partitioned into distinct families called class A to F enzymes. Most bacteria elaborate their surfaces using more than one type of sortase that function non‐redundantly by recognizing unique sorting signals within their protein substrates. Here we review what is known about the functions of these enzymes and the molecular basis of catalysis. Particular emphasis is placed on ‘pilin’ specific class C sortases that construct structurally complex pili. Exciting new data have revealed that these enzymes are amazingly promiscuous in the substrates that they can employ and that there is a startling degree of diversity in their mechanism of action. We also review recent data that suggest that sortases are targeted to specific sites on the cell surface where they work with other sortases and accessory factors to properly function." @default.
- W1929520690 created "2016-06-24" @default.
- W1929520690 creator A5007715260 @default.
- W1929520690 creator A5045475455 @default.
- W1929520690 creator A5088084613 @default.
- W1929520690 date "2011-11-07" @default.
- W1929520690 modified "2023-10-16" @default.
- W1929520690 title "Sortase enzymes in Gram-positive bacteria" @default.
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