>1r3dA (A:) observed residues (from ATOM records)
sllsnqlhfakptartplvvlvhgllgsgadwqpvlshlartqcaaltldlpghgtnpae
avemieqtvqahvtsevpvilvgyslggrlimhglaqgafsrlnlrgaiiegghfglqen
eekaarwqhdqqwaqrfsqqpiehvlsdwyqqavfsslnheqrqtliaqrsanlgssvah
mllatslakqpyllpalqalklpihyvcgeqdskfqqlaessglsysqvaqaghnvhheq
pqafakivqamihsiid