>5kc6B (B:) observed residues (from ATOM records)
sakvafsairstnhepsemsnrtmiiyfdqvlvnignnfdserstfiaprkgiysfnfhv
vkvynrqtiqvslmlngwpvisafagdqdvtreaasngvliqmekgdraylklergnlmg
gwkystfsgflvfplgtkhhhhhh