TTHA0961 149 MKEAFKEALARFASGVTVVAARLGEEERGMTATAFMSLSLEPPLVALAVSERAKLLPVLEGAGAFTVSLLREGQEAVSEHFAGRPKEGIALEEGRVKGALAVLRCRLHALYPGGDHRIVVGLVEEVELGEEGPPLVYFQRGYRRLVWPS 4-HPA 3-monooxygenase small component HPAC_THET8 TTHA0961 Catalyzes the reduction of free flavins (FMN, FAD and riboflavin) by NADH. Subsequently, the reduced flavins diffuse to the large hpaB component. Flavin:NADH reductase 4-hydroxyphenylacetate 3-monooxygenase reductase component