>1xrvA (A:) SEQRES residues yklicyytswsqyregdgscfpdaidpflcthviysfanisnneidtwewndvtlydtln tlknrnpnlktllsvggwnfgpqrfskiasktqsrrtfiksvppflrthgfdgldlawly pgrrdkrhlttlvkemkaefireaqagteqlllsaavsagkiaidrgydiaqisrhldfi slltydfhgawrqtvghhsplfrgqedassrfsnadyavsymlrlgapanklvmgiptfg ksftlassktdvgapvsgpgipgqftkekgilayyeicdflqgatthrfrdqqvpyatkg nqwvayddqesvknkarylknrqlagamvwaldlddfrgtfcgqnltfpltsavkdvlar a