Glycolysis step

Step 1 enzyme

Hexokinase: phosphorylates glucose

Glucose to G6P with use of ATP

Step 1 logic

increase energy of molecule by providing grip through phosphorylation, more induced fit

No G6P transporter = trapped glucose inside of cell

Step 2 enzyme

phsphoglucoseisomerase: makes isomer of G6P

G6P to G6P

Step 2 logic 

establishes molecular symmetry for step 4, break into equal pieces

another terminal OH

Step 3 enzyme

phosphofructokinase: phosphorylate F6P

Step 3 logic

increase energy and provide grip catalyzes one of rate-d determining reaction

Step 4 enzyme

Aldolase: cleavage of FBF to GAP and DHAP

Step 4

divides glycolytic pathway into two parallel 3-carbon pathway allowing cell to harvest twice as much energy per glucose molecule 

Step 5 enzyme

Trios phosphateisomerase: isomerize DHAP → GAP (ketone to aldehyde)

Step 5 logic

ketone sucks

covert to GAP which is an aldehyde