>4zt3B (B:) observed residues (from ATOM records)
gpgsmkvekvffvtspiyyvnaaphighvystlitdvigryhrvkgervfaltgtdehgq
kvaeaakqkqvspydfttavagefkkcfeqmdysidyfirttneqhkavvkelwtkleqk
gdiylgryegwysisdesfltpqnitkvslesghvvtwvseenymfrlsafrerllewyh
anpgcivpefrrreviravekglpdlsvsraratlhnwaipvpgnpdhcvyvwldaltny
ltgsrlrvdesgkevslvddfnelerfpadvhvigkdilkfhaiywpafllsaglplpkk
ivahgwwtkdrkkiskslgnvfdpvekaeefgydalkyfllresgfsddgdysdknmiar
lngeladtlgnlvmrctsakinvngewpspaayteedesliqlikdlpgtadhyylipdi
qkaiiavfdvlrainayvtdmapwklvktdperlrtvlyitlegvrvttlllspilprks
vvifdmlgvpevhrkgienfefgavppgtrlgpavegevlfskrst