>3bz2A (A:) observed residues (from ATOM records)
sanlwerfcnwvtstdnrlyvgwfgvimiptllaaticfviafiaappvdidgirepvsg
sllygnniitgavvpssnaiglhfypiweaasldewlynggpyqliifhfllgascymgr
qwelsyrlgmrpwicvaysaplasafavfliypigqgsfsdgmplgisgtfnfmivfqae
hnilmhpfhqlgvagvfggalfcamhgslvtsslirettetesanygykfgqeeetyniv
aahgyfgrlifqyasfnnsrslhfflaawpvvgvwftalgistmafnlngfnfnhsvida
kgnvintwadiinranlgmevmhernahnfpldla