I opened the crystal structure in PyMol, changed some colors, highlighted the active cysteine, and rendered versions with the cysteine in it's thiol and disulfide forms.
Figure originally presented by Julian Stanley and Javier Apfeld at the 2019 International C. elegans Meeting (June 2019 at the University of California, Los Angeles). Contact Julian (julianstanleya [at] gmail [dot] com) for any questions or corrections.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.