Secretion of active xylanase C from Streptomyces lividans is exclusively mediated by the Tat protein export system

The bacterial twin-arginine translocation (Tat) pathway transports folded proteins across the cytoplasmic membrane. The precursors targeted to the Tat pathway have signal peptides bearing the consensus motif (S/T-R-R-X-F-L-K). The xylanase C (XlnC) of Streptomyces lividans is a 20-kDa secreted enzym...

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