Catalyzes the synthesis of dihydrouridine, a modified base found in the D-loop of most tRNAs (By similarity). dusC MRIALAPMEGLVDELLRDLLTRVGGIDWCVTEFVRVCDRLLPVAQFEKLAPELRHGWRTRAGTPMHLQLLGSDPACLAENAALAAELGAPAIDLNFGCPAKTSTARGADGCCSTSRNCCMPSSARCAGPCRRCAGDRQDAPGVRPARGRPGVRRALVEGGVAHLVVHARTKVEGYRPPASWEWLARVREAVAVPVYANRKSGRRRIGCREISGVEDVMLGCGLVSRPDLARQIAMRAPDARSSRRAGVRYSRWCASSGGAPGSGSRRATPLAGSSSGWACWRAVIRRRPRCSPNCAGRTTAGGWMPCWA 309 tRNA-dihydrouridine synthase C DUSC_AZOVI