>5td9A (A:) observed residues (from ATOM records)
msiekiwareildsrgnptvevdlytakglfraavpsgastgiyealelrdgdkqrylgk
gvlkavdhinstiapalissglsvveqekldnlmleldgtenkskfganailgvslavck
agaaerelplyrhiaqlagnsdlilpvpafnvinggshagnklamqefmilpvgaesfrd
amrlgaevyhtlkgvikdkygkdatnvgdeggfapnilensealelvkeaidkagyteki
vigmdvaasefyrdgkydldfksptdpsryitgdqlgalyqdfvrdypvvsiedpfdqdd
waawskftanvgiqivgddltvtnpkrieraveekacnclllkvnqigsvteaiqackla
qengwgvmvshrsgetedtfiadlvvglctgqiktgapcrserlakynqlmrieeelgde
arfaghnfrnpsvl