>4u86A (A:) observed residues (from ATOM records) klppgwekamsrssgrvyyfnhitnasqwerpeparvrcshllvkhsqsrrpsswrqeki trtkeealelingyiqkiksgeedfeslasqfsdcssakargdlgafsrgqmqkpfedas falrtgemsgpvftdsgihiilrte