Mansoor, Steven E.
Lü, Wei
Oosterheert, Wout
Shekhar, Mrinal
Tajkhorshid, Emad
Gouaux, Eric
Article History
Received: 4 May 2016
Accepted: 12 August 2016
First Online: 14 September 2016
Competing interests
: The authors declare no competing financial interests.