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Typical glycans attached to human pituitary FSH and human recombinant FSH produced by Chinese hamster ovary cells (recFSH) glycoforms. The bars indicate the common-FSH α and hormone-specific FSH β-subunits. N-glycosylation sites are indicated by the numbers below the bars. Note that glycans at the α−subunit of FSH18/21 are in fact smaller (i.e. biantennary) than those present in FSH24. Modified from (9), with permission.
