TABLE 2.

Dehalogenase activities in crude extracts from strain GP1

Substrate	Dehalogenase sp acta (mU/mg of protein)		Product
	1,2-DBE	1-Propanol
1,2-Dibromoethane	220	230	2-Bromoethanol
1,2-Dichloroethane	<30	<30
Bromochloroethane	180	NDb	2-Chloroethanol
1-Chloropropane	50	ND	1-Propanol
1-Bromobutane	30	ND	1-Butanol
1,3-Dibromopropane	80	80	ND
2-Bromoethanol	5,200	8,110	Ethylene oxide
2-Chloroethanol	70	110	Ethylene oxide
3-Chloro-1,2-propanediol	ND	300	ND
2,3-Dichloro-1-propanol	ND	<30
1,3-Dichloro-2-propanol	ND	5,220	Epichlorohydrin
1-Chloro-2-propanol	ND	3,260	Propylene oxide
Bromoacetate	<30	<30
Chloroacetate	<30	<30
Dibromoacetate	<30	<30
Dichloroacetate	<30	<30

^aSpecific activities with various substrates (5 mM) were determined with extracts prepared from cells grown with either 1,2-dibromoethane or 1-propanol. 

^bND, not determined.