>3ldlB (B:) observed residues (from ATOM records)
dvgtvvgidlgttyscvgvfkngrveiiandqgnritpsyvaftpegerligdaaknqlt
snpentvfdakrligrtwndpsvqqdikflpfkvvekktkpyiqvdigggqtktfapeei
samvltkmketaeaylgkkvthavvtvpayfndaqrqatkdagtiaglnvmriineptaa
aiaygldkregeknilvfdlgggtfdvslltidngvfevvatngdthlggedfdqrvmeh
fiklykkktgkdvrkdnravqklrrevekakralssqhqarieiesfyegedfsetltra
kfeelnmdlfrstmkpvqkvledsdlkksdideivlvggstripkiqqlvkeffngkeps
rginpdeavaygaavqagvls