>2nr4A (A:) SEQRES residues sligflsdrqgfekqyhdidlssfgiregiseiiastgfehpnaapigivmkgerpfvrl fkgshtwenvlkekclasnvvydpilfvrstfsdlvpsefeyvdagefkfpvlkeaiawv vfecinlrntdqslvadlvplnagfnernikelpvpnrgfnavleatvhatryqltgeek ylelirhyeslaskcggdaekkamkliyealgl