Examining xCT-mediated selenium uptake and selenoprotein production capacity in cells / Namgyu Lee, Anne E. Carlisle, and Dohoon Kim -- Methods for accurate and reproducible studies of pharmacological effects of selenium in cancer / Arun Kumar Selvam, Tímea Szekerczés, Sofia Björnstedt, Ali Razaghi, and Mikael Björnstedt -- Using selenocysteine-specific reporters to screen for efficient tRNASec variants / Christina Z. Chung, Dieter Söll, and Natalie Krahn -- Expressing recombinant selenoproteins using redefinition of a single UAG codon in an RF1-depleted E. coli host strain / Qing Cheng and Elias S.J. Arnér -- Selenocysteine substitutions in thiyl radical enzymes / Juan Carlos Cáceres, Clara A. Bailey, Kenichi Yokoyama, and Brandon L. Greene -- Expression of selenoproteins via genetic code expansion in mammalian cells / Jennifer C. Peeler and Eranthie Weerapana -- Applying selenocysteine-mediated expressed protein ligation to prepare the membrane enzyme selenoprotein S / Rujin Cheng, Jun Liu, Vidyadhar Daithankar, and Sharon Rozovsky -- Chemoproteomic interrogation of selenocysteine by low-pH isoTOP-ABPP / Daniel W. Bak and Eranthie Weerapana -- SecMS analysis of selenoproteins with selenocysteine insertion sequence and beyond / Chenfang Si, Ye Cao, and Yaoyang Zhang -- An accelerated and optimized algorithm of selenium-encoded isotopic signature targeted profiling for global selenoproteome analysis / Guogeng Jia, Jinjun Gao, Fan Yang, Tianyu Feng, and Chu Wang -- Assay of selenol species in biological samples by the fluorescent probe Sel-green / Baoxin Zhang and Jianguo Fang -- Identification of selenoprotein O substrates using a biotinylated ATP analog / Meghomukta Mukherjee and Anju Sreelatha -- Application of alpha-methyl selenocysteine as a tool for the study of selenoproteins / Emma J. Ste. Marie and Robert J. Hondal -- Modeling of selenocysteine-derived reactive intermediates utilizing a nano-sized molecular cavity as a protective cradle / Ryosuke Masuda and Kei Goto -- Diselenide-selenoester ligation in the chemical synthesis of proteins / Max J. Bedding, Sameer S. Kulkarni, and Richard J. Payne.