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(A) Sedimentation velocity c(s, f/f0) distribution of actA/actB mixture (1:1 molar ratio) without detergent. The c(s, f/f0) distribution is shown in 2D contours, and the integrated c(s, *) distribution as a solid line; (B) same as (A) in presence of C8E5. The gradient increase step is 0.001510 (A) and 0.000317 (B).
