Fig 6.
The degradation of PAHs and derivatives by NarA2B2 mutants in E. coli BL21(DE3) at 24 h. (A) NAP; (B) PHE; (C) DBT; (D) ACE; (E) FLN; (E) BP; (G) CA; and (H) PYE. PC: BL21(DE3) containing pETDuet-narA2-Ter-narB2 and pACYCDuet-phtAcAd without mutations; NC: BL21(DE3) containing pETDuet and pACYCDuet; M216: F216A; M219: D219A; M222: H222A; M223: T223A; M227: H227A; M236: V236A; M243: F243A; M300: Y300A; M302: H302A; M316: W316A; M369: F369A; and M379: D379A.