>1dd1A (A:) observed residues (from ATOM records)
nghlqhhppmppqppisnhpapeywcsiayfemdvqvgetfkvpsscpivtvdgyvdpsg
gdrfclgqlsnvhrteaierarlhigkgvqleckgegdvwvrclsdhavfvqsyyldrea
grapgdavhkiypsayikvfdlrqchrqmqqqaataqaaaaaaagigvddlrrlcilrms
fvkgwgpdyprqsiketpcwieihlhralqlldevlhtmpi