6-O-guanylylstreptomycin + diphosphate => streptomycin + GTP
6-o-guanylylstreptomycin + diphosphate => streptomycin + gtp
6-O-guanylylstreptomycin + diphosphate => streptomycin + GTP
6-o-guanylylstreptomycin + diphosphate => streptomycin + gtp