Figure 1.
Figure 1. Structure of the nitroxide side chain R1 showing
designation of the various atoms and side-chain dihedral angles
( ). [5] is defined
by S[ ]–C[ ]–C[3]–C[4]
as in Tombolato et al. (2006).
The above figure is reprinted
by permission from the Protein Society:
Protein Sci
(2008,
17,
228-239)
copyright 2008.
). 
]–C[ 
]–C[3]–C[4]
as in Tombolato et al. (2006).