BMB 402H Chapter 18 Flash Cards

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physiological importance of branching in starch and glycogen	-the branches in glycogen and starch increase the rates of synthesis and degradation -branches increase solubility -increase number of non-reducing ends from which G1P can be derived during breakdown	0	mcs5109 Thu, 04 Feb 2010 05:58:53 GMT
dual role of glycogenin	1. primer for 1st glucose residue 2. catalyst to add up to 7 glucose residues	0	mcs5109 Thu, 04 Feb 2010 05:50:37 GMT
enzymes of glycogen synthesis	1. UDP-glucose pyrophosphorylase (vertebrates) or ADP-glucose pyrophosphorylase (microorganisms) 2. glycogenin 3. glycogen synthetase 4. branching enzyme	0	mcs5109 Thu, 04 Feb 2010 05:34:21 GMT
enzymes involved in glycogen degradation	1. glycogen phosphorylase -catalyzes bond cleavage by phosphoryl group -makes glucose-1-phosphate 2. phosphoglucomutatse -makes glucose-6-phosphate 3. glycogen debranching enzyme -phosphorylase stops cleaving (1-4) linkages four away from a branch point	0	mcs5109 Thu, 04 Feb 2010 05:22:19 GMT
glycogen structure	branches every 8-12 residues	0	mcs5109 Thu, 04 Feb 2010 05:22:19 GMT

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