>1z84B (B:) observed residues (from ATOM records)
qspelrkdpvtnrwvifsptdfksscpfcigreqecapelfrvpdhdpnwklrvienlyp
alsrnletqsrtivgfgfhdvviespvhsiqlsdidpvgigdiliaykkrinqiaqhdsi
nyiqvfknqgasagasmshshsqmmalpvvpptvssrldgtkdyfeetgkcclceakskh
fvidesshfvsvapfaatypfeiwiipkdhsshfhhlddvkavdlggllklmlqkiakql
ndppynymihtsplkvtesqlpythwflqivpqlsgvggfeigtgcyinpvfpedvakvm
revsl