MGSSHHHHHHSSGLVPRGSHMLLVIGSEDNRVPGDKKLTKEGAAALCKMKHLADKVAKERSQELKDRTQNFAGYIEFELYRIDYWLEKLNGPKGRKDGYAKLSDSDIEKVKEIFNKAKDGITKQLPEAKKAGEEAGKLHTEVKKAAENARGQDLDDDTAKSTGLYRVLNWYCITKEERHNATPNCDGIQFRKHYLSVNRSAIDCSSTSYEENYDWSANALQVALNSWEDVKPKKLESAGSDKNCNIGQSSESHPCTMTEEWQTPYKETVEKLRELEDAYQRGKKAHDAMLGYANTAYAVNTKVEQEKPLTEVIAAAKEAGKKGAKIIIPAAAPATPTNSTKNDDSAPTEHVDRGIATNETQVEVGID
The protein construct used for SAXS contains an additional N-terminal polyhistidine tag.