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. Author manuscript; available in PMC: 2014 Dec 17.
Published in final edited form as: Biochemistry. 2013 Dec 6;52(50):8975–8983. doi: 10.1021/bi4013534

Table 4. Superoxide Production by Cytochromeb6f Complex in Thylakoid Membranes from the Cyanobacterium, M. laminosus; Electron Acceptor, Cytochrome c.

Electron transfer rate, 103 chl a-1 · s-1 Superoxide production rate 103 chl a-1 · s-1 Superoxide production rate (% electron transfer rate)
Control, no inhibitor 201 ± 3 (n=3) 2.6 ± 0.6 (n=4) 1.3 ± 0.3
NQNO, 5 μM 151 ± 8 (n=3) 1.5 ± 0.1 (n=3) 0.9 ± 0.1
DBMIB, 2 μM 11 ± 2 (n=3) n.d. (n=3) -
DBMIB, 5 μM 0.2 ± 0.4 (n=3) n.d. (n=3) -

n, number of trials; n .d., not determined.