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. 2021 Oct 26;26(21):6446. doi: 10.3390/molecules26216446

Table 3.

The classification of PHA synthases.

Class Subunit Composition Species Substrate
I PhaC+ PhaC Ralstonia eutropha C3–C5
II PhaC+ PhaC Pseudomonads sp. ≤C6(or C4)
III PhaC+ PhaE Allochromatium vinosum C3–C6
IV PhaC+ PhaR Bacillus sp. C3–C5