Nucleoside-specific porin
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| Nucleoside-specific channel-forming protein, Tsx | |||||||||
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| Identifiers | |||||||||
| Symbol | Channel_Tsx | ||||||||
| Pfam | PF03502 | ||||||||
| InterPro | IPR003055 | ||||||||
| TCDB | 1.B.10 | ||||||||
| OPM superfamily | 9 | ||||||||
| OPM protein | 1tly | ||||||||
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Nucleoside-specific porin (the tsx gene of Escherichia coli) is an outer membrane protein, Tsx, which constitutes the receptor for colicin K and Bacteriophage T6, and functions as a substrate-specific channel for nucleosides and deoxy-nucleosides.[1] The protein contains 294 amino acids, the first 22 of which are characteristic of a bacterial signal sequence peptide. Tsx shows no significant similarities to general bacterial porins.