Page 152 - Color Atlas of Biochemistry

Energy Metabolism 143

A. Redox systems of the respiratory chain

∆G' E' FMN/FMNH
–1
(kJ · mol ) (V) 2
F F
NAD
–0.4
N A I CoQ Hemes b
(ubi-
0 quinone) 3+ 2+
–0.2 N A O

NADH
+H III
0 Cyto-
O
chrome C
OH Heme a
Cu 2
+0.2 Cu 3+ 2+
Fe/S centers 3+
IV
OH
2+
+0.4
Fe/S center Cu 2
Cu
3+ 2+
+0.6
Heme c 1
3+ 2+
∆G = –n · F · ∆E O
–220 +0.8 2
Heme a 3 O

B. ATP synthase

Inside: A
PP P
matrix 2 Formation of ATP

A H O
PPP 2
Outside: H O A PPP
2
Inter-
membrane H H
space outside outside
α β α
δ
β α β F 1

A H
PP P
inside
H
b2 ε ε A A
PP P PP P
γ
A
PPP
a F 0
H O A PPP H O
A 2 2
PPP
A A
H O PPP H O PPP
2
2
H O
2
1 Binding of ADP and P i 3 Release of ATP
H H
outside
1. Structure and location 2. Catalytic cycle

Koolman, Color Atlas of Biochemistry, 2nd edition © 2005 Thieme
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