Etc Flashcards
(43 cards)
NADH carries
2 e and 1 H+
NADH reversible?
Yes
FADH (FMNH) carries
1 e and 1 H+
FADH2 (FADH2) carries
2 e and 2 H+
FAD/FMN reversible?
tightly bound to proteins
FAD and FMN reduction potential
vary significantly with protein microenvironment
*QH carries
1 e and 1 H+
QH2 carries
2 e and 2 H+
coenzyme Q reversible?
yes
hemes carry
1 e-
heme reversible?
tightly bound or covalently bonded to proteins
cytochrome
protein with bound heme
Fe-S clusters carry
each Fe in an Fe-S cluster can carry 1 e
Fe-S clusters reversible?
covalently bonded to proteins by cysteine side chain sulfur ligands
Cu centers carry
1 e
Cu centers reversible?
covalently bonded to proteins by cysteine side chain sulfur ligands
intermembrane space charge
postitive
matrix charge
negative
what does the matrix contain
PDH, enzymes of the citric acid cycle, FA degradation pathways
complex 1 input substrate
NADH
complex 1 output e-carrier
coenzyme Q
complex 1 number of H+ pumped to P side
4
complex 1 number of H+ pumped to QH2
2
complex 2 input substrate
succinate