Nucleoside transport protein

This transporter is found in the outer membranes of Gram-negative bacteria. It is a 12 stranded β-barrel protein. It has 2 binding sites for nucleosides.

Ye, J., Van Den Berg, B.: Crystal Structure of the Bacterial Nucleoside Transporter Tsx. Embo J. 23 pp. 3187 (2004)
(PubMed)

1tlw (PDB)