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. 2019 Mar 11;8:e43630. doi: 10.7554/eLife.43630

Author response image 1. SEC for SAXS sample prepation.

Author response image 1.

A. SEC profiles of 1) Imp9 alone (blue trace), 2) a previously purified Imp9•RanGTP complex (light blue trace) and 3) a previously purified Imp9•H2A-H2B + excess RanGTP (green; the peak at ~ 16 ml is excess RanGTP). Elution volume for each of the Imp9-containing peaks is listed. B. Fractions for the Imp9 containing peak in the SEC of Imp9•H2A-H2B + excess RanGTP (green trace in A) were pooled and subjected to a second round of SEC to produce the SAXS sample for the heterotetrameric complex.