>1preB (B:) observed residues (from ATOM records)
epvypdqlrlfslgqgvcgdkyrpvnreeaqsvksnivgmmgqwqisglangwvimgpgy
ngeikpgtasntwcyptnpvtgeiptlsaldipdgdevdvqwrlvhdsanfikptsylah
ylgyawvggnhsqyvgedmdvtrdgdgwvirgnndggcdgyrcgdktaikvsnfaynldp
dsfkhgdvtqsdrqlvktvvgwavndsdtpqsgydvtlrydtatnwsktntyglsekvtt
knkfkwplvgetelsieiaanqswasqnggstttslsqsvrptvparskipvkielykad
isypyefkadvsydltlsgflrwggnawythpdnrpnwnhtfvigpykdkassiryqwdk
ryipgevkwwdwnwtiqqnglstmqnnlarvlrpvragitgdfsaesqfagnieigapvp
laalrleipldaqelsglgfnnvslsvtpaa