Other ; Related Article: P.L. Dearling, B.M. Paterson, V. Akurathi, S. Betanzos-Lara, S.T. Treves, S.D. Voss, J.M. White, J.S. Hudson, S.V. Smith, P.S. Donnelly, A.B. Packard|2015|Bioconjugate Chem.|26|707|doi:10.1021/acs.bioconjchem.5b00049 ; Abstract ; An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.