>2or4A (A:) observed residues (from ATOM records) khnmkafldelkaenikkflynftqiphlagteqnfqlakqiqsqwkefgldsvelahyd vllsypnkthpnyisiinedgneifntslfeppppgydivppfsafspqgmpegdlvyvn yartedffklerdmkincsgkiviarygkvfrgnkvknaqlagakgvilysdpadyfapg vksypdgwnlpgggvqrgnilnlngagdpltpgypaneyayrrgiaeavglpsipvhpig yydaqkllekmggsappdsswrgslkvpynvgpgftgnfstqkvkmhihstnevtriynv igtlrgavepdryvilgghrdswvfggidpqsgaavvheivrsfgtlkkegwrprrtilf aswdaeefgllgstewaeensrllqergvayinadssiegnytlrvdctplmyslvhnlt kelkspdegfegkslyeswtkkspspefsgmprisklgsgndfevffqrlgiasgraryt knnkfsgyplyhsvyetyelvekfydpmfkyhltvaqvrggmvfelansivlpfdcrdya vvlrkyadkiysismkhpqemktysvsfdslfsavknfteiaskfserlqdfdksnpivl rmmndqlmflerafidplglpdrpfyrhviyapsshnkyagesfpgiydalfdieskvdp skawgevkrqiyvaaftvqaaaetlseva