>1v4eB (B:) observed residues (from ATOM records)
nsyelekvkerieqilsqffpeqimkdlplygkmlrvrlsilsfknrgveigedaissla
alelvhlasllhddvidgarfrrgketinfmygdkaavaagdlvlvsafhtveeignnkl
rraflnvigkmseaelieqlsrykpitkeeylrivegksgalfglalqlpallegelged
lynlgvtigtiyqmfddimdfagmekigkdgfldlkngvasfplvtamekfpearqmfen
rdwsglmsfmrekgilkeceetlkvlvknviienswlrdf