>2o50B (B:) observed residues (from ATOM records)
fpidlrgqtafvagvadshgygwaiakhlasagarvalgtwppvlglfqkslqsgrlded
rklpdgsliefagvypldaafdkpedvpqdikdnkryagvdgytikevavkvkqdlgnid
ilvhslangpevtkplletsrkgylaassnsaysfvsllqhfgpimneggsavtlsylaa
ervvpgygggmssakaalesdtrtlaweagqkygvrvnaisagplsfidyaidysynnap
lrrdlhsddvggaalfllsplaravsgvtlyvdnglhamgqavdsrsmpp