SRL for [be biotinylated]: Thus , the 264scTCR / birA fusion protein can [be biotinylated] to create 264scTCR / birA monomers , which can subsequently be used to form 264scTCR / multimers in the presence of streptavidin .
ARG-1: the 264scTCR / birA fusion protein | ARG-3: 264scTCR / birA monomers