>1gu1B (B:) SEQRES residues
prslanapimilngpnlnllgqrqpeiygsdtladvealcvkaaaahggtvdfrqsnheg
elvdwihearlnhcgivinpaayshtsvaildalntcdglpvvevhisnihqrepfrhhs
yvsqradgvvagcgvqgyvfgveriaalagagsara