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Exam W 1/28 6-8 pm SL 120 Office hours this week: T 2-3, W 2-4. GA3P. +. TPI. DHAP. F6P. . DHAP. GA3P. GAP DH. Start of energy producing phase of glycolysis: Production of the first hi energy molecule.

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Exam W 1/28 6-8 pm

SL 120

Office hours this week: T 2-3, W 2-4


GA3P

+

TPI

DHAP

F6P

DHAP

GA3P


GAP DH

Start of energy producing phase of glycolysis:

Production of the first hi energy molecule.


Figure 17 14 enzymatic mechanism of glyceraldehyde 3 phosphate dehydrogenase
Figure 17-14 Enzymatic mechanism of glyceraldehyde-3 phosphate dehydrogenase.

Go’ = +6.7 kJ!

Page 596


Figure 17-15 Space-filling model of yeast phosphoglycerate kinase showing its deeply clefted bilobal structure.

Page 597


Figure 17 16 mechanism of the pgk reaction
Figure 17-16 Mechanism of the PGK reaction.

Go’ = -12.1 kJ

Go’ = -49.4 kJ!

Page 597


Phosphoglucomutase--PGM

Mutases move functional groups: 3PG2PG


Figure 17 18 proposed reaction mechanism for phospho glycerate mutase
Figure 17-18 Proposed reaction mechanism for phospho-glycerate mutase.

Phosphorylated

active site

Bisphospho-

intermediate.

Page 599


Figure 17 21 proposed reaction mechanism of enolase
Figure 17-21 Proposed reaction mechanism of enolase.

F- binds Pi + Mg+2

Potent inhibitor

Page 601


Figure 17 22 mechanism of the reaction catalyzed by pyruvate kinase
Figure 17-22 Mechanism of the reaction catalyzed by pyruvate kinase.

Page 602


Figure 17 24 reaction mechanism of lactate dehydrogenase
Figure 17-24 Reaction mechanism of lactate dehydrogenase.

Page 603


Figure 17 25 the two reactions of alcoholic fermentation
Figure 17-25 The two reactions of alcoholic fermentation.

Page 604


Figure 17 26 thiamine pyrophosphate
Figure 17-26 Thiamine pyrophosphate.

Page 604


Figure 17 27 reaction mechanism of pyruvate decarboxylase
Figure 17-27 Reaction mechanism of pyruvate decarboxylase.

Page 605


Figure 17 29 the formation of the active ylid form of tpp in the pyruvate decarboxylase reaction
Figure 17-29 The formation of the active ylid form of TPP in the pyruvate decarboxylase reaction.

Page 606


Table 17 2 some effectors of the nonequilibrium enzymes of glycolysis
Table 17-2 Some Effectors of the Nonequilibrium Enzymes of Glycolysis.

Page 613


Figure 17 33 pfk activity versus f6p concentration
Figure 17-33 PFK activity versus F6P concentration.

Page 615



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