>6b11B (B:) observed residues (from ATOM records)
siawpvartcpfsppeqyaalraeepiaraelwdgapvwlisrqdhvralladprvsihp
aklprlspsdgeaeasrslltldppdhgalrghfipefglrrvrelrpsveqivtglldd
ltargdeadlladfalpmatqvicrlldipyedrdyfqerteqatrpaageealeallel
rdyldrlisgkdgmlgsmvaqarggglshadvldnavlllaaghettasmvtmsvlvllq
hptawreltvnpgllpgavdellrylsiadglrrsatadieidghtiragdglvfllaaa
nrdeavfsepeafdihrsarrhvafgygphqclgqnlarmelevalgavlerlpalrptt
dvaglrlksdsavfgvyelpvaw