>3rptA (A:) observed residues (from ATOM records)
dspfyvnpnmssaewvrnnpndprtpvirdriasvpqgtwhnqhqitgqvdalmsaaqaa
gkipilvvnpfeegkqwidefaaglknrpayiivdpgawrfaayagkalkagssqariyf
daghsawhspaqmaaalqradisnsahgiatntsnyrwtadevayakavlsaignpslra
vidtsrngngpagnescdpsgraigtpsttntgdpmidaflwiklpgeadgciagagqfv
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