>3fkdB (B:) observed residues (from ATOM records)
ivnfsttvwtdgdkdhlekhlvenlncirhypepdagtlrqmlakrnsvdnnailvtngp
taafyqiaqafrgsrsliaipsfaeyedacrmyehevcfypsnedigeadfsnmdfcwlc
npnnpdgrllqrteilrllndhpdttfvldqsyvsftteevirpadikgrknlvmvysfs
haygipglrigyivankdfmkrvaafstpwavnalaieaakfilihpaqftlpirkwqrn
tvdfitalnrldgvevhpsgttffllrlkkgtaaelkkymleeynmlirdasnfrgldes
yvrittqrpaqnqlfikaletflek