Function
The BoxA/BoxB complex catalyzes the aerobic reduction/oxygenation of the aromatic ring of benzoyl-CoA to form 2,3-epoxy-2,3-dihydrobenzoyl-CoA. BoxA acts as a reductase that uses NADPH to reduce the oxygenase component BoxB. BoxAB does not act on NADH or benzoate.
Sequence
MNAPAEHANLARQHLIDPEICIRCNTCEEICPVDAITHDSRNYVVKFETCNGCLACISPCPTGAIDSWRNVDKATPHSLADQYSWDYLPDTTELDQFEATVMGAAELPAEVQQITEVATAGQGGPAMAPWSASHPYVNLYTPANPITATVTGNYRLTAEDASSDIHHIVLDFGTTPFPVLEGQSIGIIPPGVDEKGKPHLLRMYSVASPRDGERPHYNNLSLTVKRVVEDHEGNPTRGVASNYVCDLKKGDKVQVTGPYGSTYLMPNHPGSSIMMICTGTGSAPMRAMTERRRRRMDRKEGGELVLFFGARAPEELPYFGPLQKLPKEFIDINFAFSRVPGEPKRYVQDAIRERADKVFQMLQDDNCYIYICGLKGMEAGVLEAFRDICRAKGADWDALRPQLLSKARFHVETY