>2kz1B (B:) observed residues (from ATOM records)
sctfkislrnfrsilswelknhsivpthytllytimskpedlkvvkncanttrsfcdltd
ewrstheayvtvlegfsgnttlfscshnfwlaidmsfeppefeivgftnhinvmvkfpsi
veeelqfdlslvieeqsegivkkhkpeikgnmsgnftyiidklipntnycvsvylehsde
qaviksplkctllppg