Electron Avenue Cell Volume 99, Issue 2, Pages (October 1999)

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Electron Avenue Cell Volume 99, Issue 2, Pages 117-119 (October 1999) Laurent Debarbieux, Jon Beckwith Cell Volume 99, Issue 2, Pages 117-119 (October 1999) DOI: 10.1016/S0092-8674(00)81642-6

Figure 1 A Complete Disulfide Bond Formation Pathway in E. coli? The green arrows indicate the oxidation reaction catalyzed by DsbA. The black arrows pointing leftward along the membrane starting with DsbB on the right represent the direction of the flow of electrons. The hexagon with Q in it represents quinones. Although not indicated in this figure, it has been proposed that electrons in DsbB are transferred from the pair of cysteines that are involved in the oxidation of DsbA to the pair of cysteines located in the amino-terminal periplasmic domain of DsbB and thence to the electron transport chain (Kishigami and Ito 1996). Cell 1999 99, 117-119DOI: (10.1016/S0092-8674(00)81642-6)

Figure 2 Players Involved in the Pathway for Isomerization of Disulfide Bonds in E. coli The topology of DsbD is based on membrane protein topology prediction algorithms. Black arrows indicate the direction of electron flow. The large green arrow indicates the isomerization reaction catalyzed by DsbC. Cell 1999 99, 117-119DOI: (10.1016/S0092-8674(00)81642-6)