>4lczB (B:) observed residues (from ATOM records)
spwygpdrvkylgpfsgespsyltgefpgdygwdtaglsadpetfaknrelevihcrwam
lgalgcvfpellarngvkfgeavwfkagsqifseggldylgnpslvhaqsilaiwacqvi
lmgavegyriaggplgevvdplypggsfdplgladdpeafaelkvkeikngrlamfsmfg
ffvqaivtgkgplenladhladpvnnna