label: (indol-3-yl)butanoate + L-glutamine + ATP = (indol-3-yl)butanoyl-L-glutamine + AMP + diphosphate + H(+)
label_lc: (indol-3-yl)butanoate + l-glutamine + atp = (indol-3-yl)butanoyl-l-glutamine + amp + diphosphate + h(+)