>2nxiK (K:) observed residues (from ATOM records)
kflviagmnaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgley
gvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgravn
vkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakviyd
athsvqlpgglgmrefifpliraavavgcdgvfmethpepekalsdastqlplsqlegii
eaileirevaskyyeti