>3n8nX (X:) observed residues (from ATOM records)
mselivnvingpnlgrlgrrepavyggtthdelvaliereaaelglkavvrqsdseaqll
dwihqaadaaepvilnagglthtsvalrdacaelsaplievhisnvhareefrrhsylsp
iatgvivglgiqgyllalrylaeh