a (7S)-7-hydroxy-C2-C8-saturated long-chain fatty acyl-[ACP] + reduced [flavodoxin] + O2 <=> a (7R,8R)-7,8-dihydroxy-C2-C8-saturated long-chain fatty acyl-[ACP] + oxidized [flavodoxin] + H2O + H(+)
a (7s)-7-hydroxy-c2-c8-saturated long-chain fatty acyl-[acp] + reduced [flavodoxin] + o2 <=> a (7r,8r)-7,8-dihydroxy-c2-c8-saturated long-chain fatty acyl-[acp] + oxidized [flavodoxin] + h2o + h(+)