>1k73N (N:) SEQRES residues arsaysyireawkrpkegqiaelmwhrmqewrnepavvrierptrldrarslgykakqgi ivvrvairkgssrrtrfnkgrrskrmmvnritrkkniqriaeeranrkfpnlrvlnsysv gedgrhkwhevilidpdhpaiksddqlswisrtrhrlrtfrgltsagrrcrglrgqgkgs ekvrpslrvngaka