>5rb3A (A:) observed residues (from ATOM records)
smtshswlcdgrllclhdpsnknnwkifrecwkqgqpvlvsgvhkklkselwkpeafsqe
fgdqdvdlvncrncaiisdvkvrdfwdgfeiickrlrsedgqpmvlklkdwppgedfrdm
mptrfedlmenlplpeytkrdgrlnlasrlpsyfvrpdlgpkmynayglitaedrrvgtt
nlhldvsdavnvmvyvgipigegahdeevlktidegdadevtkerihdhkekpgalwhiy
aakdaekirellrkvgeeqgqenppdhdpihdqswyldqtlrkrlyeeygvqgwaivqfl
gdavfipagaphqvhnlyscikvaedfvspehvkhcfrlt