>1k73C (C:) SEQRES residues grriqgqrrgrgtstfrapshrykadlehrkvedgdviagtvvdiehdparsapvaavef edgdrrlilapegvgvgdelqvgvdaeiapgntlplaeipegvpvcnvesspgdggkfar asgvnaqllthdrnvavvklpsgemkrldpqcratigvvggggrtdkpfvkagnkhhkmk argtkwpnvrgvamnavdhpfggggrqhpgkpksisrnappgrkvgdiaskrtgrggne