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. 2016 Mar 14;291(18):9818–9826. doi: 10.1074/jbc.M116.715227

FIGURE 1.

FIGURE 1.

Structural basis for the design of paired cysteine mutagenesis in NorM-NG. A, periplasmic view of the extracellular facing NorM-NG structure (Protein Data Bank code 4HUK), which shows the bound substrate tetraphenylphosphonium (magenta) sandwiched between the N (cyan) and C (yellow) domains of the transporter. B, the intracellular facing model of NorM-NG highlights the relative movement between the N and C domains. Relevant amino acids (sticks) and transmembrane helices are labeled. This figure was prepared using the software PyMOL (version 1.5.0.4, Schrodinger).