Biochemistry. 2019 Aug 6;58(31):3396-3405. doi:10.1021/acs.biochem.9b00532. Publication Group Center Publications: 2019-2023 Author List Moghadamchargari Z, Huddleston J, Shirzadeh M, Zheng X, Clemmer DE, M Raushel F, Russell DH, Laganowsky A.