(indol-3-yl)butanoate + UDP-alpha-D-glucose <=> 4-(indol-3-yl)butanoyl-beta-D-glucose + UDP
(indol-3-yl)butanoate + udp-alpha-d-glucose <=> 4-(indol-3-yl)butanoyl-beta-d-glucose + udp
(indol-3-yl)butanoate + UDP-alpha-D-glucose <=> 4-(indol-3-yl)butanoyl-beta-D-glucose + UDP
(indol-3-yl)butanoate + udp-alpha-d-glucose <=> 4-(indol-3-yl)butanoyl-beta-d-glucose + udp