>1gu1C (C:) observed residues (from ATOM records)
rslanapimilngpnlnllgqrqpeiygsdtladvealcvkaaaahggtvdfrqsnhege
lvdwihearlnhcgivinpaayshtsvaildalntcdglpvvevhisnihqrepfrhhsy
vsqradgvvagcgvqgyvfgveriaalag