>1gu1L (L:) observed residues (from ATOM records)
rslanapimilngpnlnllgqrqpeiygsdtladvealcvkaaaahggtvdfrqsnhege
lvdwihearlnhcgivinpaayshtsvaildalntcdglpvvevhisnihqrepfrhhsy
vsqradgvvagcgvqgyvfgveriaalag