>3a68R (R:) observed residues (from ATOM records)
gvifepfeevkkeldlvptvpqaslarqkyvdesesavneqinveynvsyvyhamfayfd
rdnvalrglakffkesseeerehaeklmeyqnkrggkvklqsivmplsdfdhadkgdalh
amelalslekltnekllnlhsvatkngdvqladfveteylgeqveaikriseyvaqlrrv
gkghgvwhfdqmllhe