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Serotype-dependent variability in extent of xylose substitution on the mannose backbone. (A) Data for 54 strains of serotype A, 7 strains of serotype B, 11 strains of serotype C, and 36 strains of serotype D. Values were calculated using information from reference 11 and R. Cherniak (personal communication). (B) Values for GXM from strains used in the present study.
