sordaricin + GDP-6-deoxy-alpha-D-altrose <=> 4'-O-demethylsordarin + GDP + H(+)
sordaricin + gdp-6-deoxy-alpha-d-altrose <=> 4'-o-demethylsordarin + gdp + h(+)
sordaricin + GDP-6-deoxy-alpha-D-altrose <=> 4'-O-demethylsordarin + GDP + H(+)
sordaricin + gdp-6-deoxy-alpha-d-altrose <=> 4'-o-demethylsordarin + gdp + h(+)