>1x6lA (A:) observed residues (from ATOM records)
aapgkptiawgntkfaivevdqaataynnlvkvknaadvsvswnlwngdagttakillng
keawsgpstgssgtanfkvnkggryqmqvalcnadgctasdateivvadtdgshlpplke
slleknkpykqnsgkvvgsyfveagvygrnftvdkipaqnlthllygfipicggnginds
lkeiegsfqalqrscqgredfkisihdpfaalqkaqkgvtawddpykgnfgqlmalkqah
pdlkilpsiggwtlsdpfffmgdkvkrdrfvgsvkeflqtwkffdgvdidwefpggkgan
pnlgspqdgetyvllmkelramldqlsaetgrkyeltsaisagkdkidkvaynvaqnsmd
hiflmsydfygafdlknlghqtalnapawkpdtayttvngvnallaqgvkpgkivvgtam
ygrgwtgvngyqnnipftgtatgpvkgtwengivdyrqiasqfmsgewqytydataeapy
vfkpstgdlitfddarsvqakgkyvldkqlgglfsweidadngdilnsmnaslgnsagv