Table II

Integral membrane proteins identified in the plasma membrane of Synechocystis

Position of transmembrane helices predicted by the TMHMM program (20).

ORFGene productPosition of transmembrane helices
Slr0677ExbB protein, TolQ13–35, 111–135, 153–175
Slr0875Large conductance mechanosensitive channel MscL30–52, 72–94
Slr1106Prohibitin13–35
Slr1275PilN39–61
Slr1276PilO37–59
Slr1377Leader peptidase type I LepB21–43
Slr1730Potassium-transporting ATPase C chain KdpC13–35
Slr1768Hypothetical1–20, 31–52
Sll0034Hypothetical40–59
Sll0606Hypothetical19–41
Sll0813Cytochromec oxidase subunit II CoxB48–70, 91–113
Sll0819Photosystem I subunit III PsaF88–110, 123–145
Sll1021Hypothetical60–82
Sll1053Membrane fusion protein MtrC40–59
Sll1323ATP synthase subunit b′ AtpG10–27
Sll1324ATP synthase subunit b AtpF30–50
Sll1405ExbD protein, TolR21–43