Yeast glucans structure

Jamas, S., C.-K. Rha, A.J. Sinskey, "Directed biosynthesis of yeast glucans with known structure-function properties", paper presented at the ACS 190th Annual Meeting, Chicago, IL, September 9-13, 1985. 

Fig. (3). Structure of yeast glucan proposed by Manners et al. [40]. a+b+c comprise about 60 glucosyl units, although the exact values of a,b and c are unknown. Modified with permission from the Biochemical Society and Portland Press.

Fig. 2.—Diagram of Hypothetical Structure of Yeast Cell-wall JPhosphoric diester links are represented by —P— (E) is 0-D-fructofuranosidase is D-glucan is D-mannan and S is sulfur. From Ref. 117 printed here by permission of Cambridge University Press.]...

The enzyme activity is widely distributed in bacteria, yeasts, plants, and animals, and catalyzed by at least live structurally distinct enzyme groups (Takaha and Smith, 1999) as shown in Table 28.3. In addition to the inter-molecular trans-glycosylation reaction expressed in equation (4), 4aGT also catalyze the intramolecular transglycosylation reaction (cyclization reaction) of a-1,4 glucan to produce cyclic a-1,4 glucan as shown in equation 28.5 ... 

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