. 2010 Sep 10;76(21):7023–7028. doi: 10.1128/AEM.01706-10

TABLE 2.

Disulfide reductase activities of purified LpdA_Am and PdhL_Re with different substrates

Disulfide substrate^a	Mean specific enzyme activity (mkat/kg of protein) ± SD^b
Disulfide substrate^a	LpdA_Am	PdhL_Re
(±)-α-Lipoamide	1,833.3 ± 19.2	1,666.7 ± 57.8
(±)-α-Lipoic acid	130.0 ± 1.5	78.3 ± 2.8
DTNB	3.2 ± 0.5	2.8 ± 0.3
DTDP	0.7 ± 0.2	0.5 ± 0.1
DTDB	-	-
GSSG	-	-

DTNB, 5,5′-dithiobis-(2-nitrobenzoic acid); DTDP, 3,3′-dithiodipropionic acid; DTDB, 4,4′-dithiodibutyric acid; GSSG, glutathione-disulfide.

Each assay was performed in triplicate. -, below detection limit.