| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66047085 |
| Locus Tag | Psyr_3858 |
| Description | nucleoside-specific channel-forming protein, Tsx |
| Strain | Pseudomonas fluorescens F113 |
| GI | 378951764 |
| Locus Tag | PSF113_3856 |
| Description | Nucleoside-specific channel-forming protein Tsx precursor |
| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116053864 |
| Locus Tag | PA14_01770 |
| Description | nucleoside-binding outer membrane protein |