9 Synteza skrobiowa amylozy (2 reakcje)

morgamc

pyrophos-

ADP-glucose 1    phatase

pyrophophorylase    P***

2 Pi

Figurę 24-35 Slarch synthcsls. ADP-glucose is formed from G1P and ATP in a phosphoanhydfide cxchange rcaction (l).The PP, product is rapidly hydrolyzed. ADP-glucose is the substrate for starch synthasc (2). which adds the glucose residue to a nonreducing end of an existing polysaccharide. releasing ADP.

a-Amyiose </i residues)

a-i.\mylose (« + 1 residues)