A Proton-mediated Conformational Shift Identifies a Mobile Pore-lining Cysteine Residue (Cys-561) in Human Concentrative Nucleoside Transporter 3

Melissa D. Slugoski, Amy M. L. Ng, Sylvia Y. M. Yao, Kyla M. Smith, Colin C. Lin, Jing Zhang, Edward Karpinski, Carol E. Cass, Stephen A. Baldwin and James D. Young

The Journal of Biological Chemistry 283 ( 13 ): 8496 - 8507 , 2008