New Alternatives for Autoimmune Disease Treatments: Physicochemical and Clinical Comparability of Biosimilar Etanercept

Figure 1

Confirmation of the primary structure by peptide mapping of (a) Infinitam (upper chromatogram in green) and the reference product (lower chromatogram in blue), and sequence coverages of (b) Infinitam and (c) the reference product with respect to the theoretical sequence of etanercept.

(a)

(b)

(c)