>1yiyB (B:) observed residues (from ATOM records)
kfdlpkryqgstksvwveyiqlaaqykplnlgqgfpdyhapkyalnalaaaanspdplan
qytrgfghprlvqalsklysqlvdrtinpmtevlvtvgayealyatiqghvdegdeviii
epffdcyepmvkaaggiprfiplkpnktggtissadwvldnnelealfnektkmiiintp
hnplgkvmdraelevvanlckkwnvlcvsdevyehmvfepfehirictlpgmwertitig
sagktfsltgwkigwaygpeallknlqmvhqncvytcatpiqeaiavgfetelkrlkspe
cyfnsisgelmakrdymasflaevgmnptvpqggyfmvadwssldskvdltqetdarkdy
rftkwmtksvglqgippsafysepnkhlgedfvrycffkkdenlqkaaeilrkwkgss