>1z4eA (A:) observed residues (from ATOM records) hvtireategdleqmvhmladdvlgrkreryekplpvsyvrafkeikkdknnelivacng eeivgmlqvtftpyltyqgswratiegvrthsaargqgigsqlvcwaierakergchliq lttdkqrpdalrfyeqlgfkasheglkmhf