>2z34B (B:) observed residues (from ATOM records)
sivnilsvnvlnnpakfsdpykfeitfecleplksdlewkltyvgsatsqsydqildtll
vgpipiginkfvfeadppnidllpqlsdvlgvtvillscayednefvrvgyyvnnemeei
kkvkvdiskvwrsilaekprvtrfniqwd