>2pk2C (C:) observed residues (from ATOM records)
nnkrwyftreqlenspsrrfgvdpdkelsyrqqaanllqdmgqrlnvsqltintaivymh
rfymiqsftrfpgnsvapaalflaakveeqpkklehvikvahtclhpqeslpdtrseayl
qqvqdlvilesiilqtlgfeltidhphthvvkctqlvraskdlaqtsyfmatnslhlttf
slqytppvvacvcihlackwsnweipvstdgkhwweyvdatvtlelldeltheflqilek
tpnrlkriwnwracea