>1o12B (B:) observed residues (from ATOM records)
mivekvlivdpidgeftgdveieegkivkvekreciprgvlmpgfvdphihgvvgadtmn
cdfsemeeflysqgvttflattvstslekmkeilrkardyilenpstsllgvhlegpyis
kekkgahsekhirppserelseidspakmltfapeiesselllrlvkrdivlsaghsiat
feefmkfykegvkrithfpnglkplhhreigitgaglllddvklelicdgvhlsremvkl
vykvkkangivlvtdsisaaglkdgtttlgdlvvkvkdgvprledgtlagstlffsqavk
nfrkftgcsitelakvssynscvelglddrgriaegtradlvlldedlnvvmtikegevv
frsr