>1gu1E (E:) observed residues (from ATOM records)
rslanapimilngpnlnllgqrqpeiygsdtladvealcvkaaaahggtvdfrqsnhege
lvdwihearlnhcgivinpaayshtsvaildalntcdglpvvevhisnihqrepfrhhsy
vsqradgvvagcgvqgyvfgveriaalag