>3vtzB (B:) observed residues (from ATOM records)
eeftdkvaivtggssgiglavvdalvrygakvvsvsldekvnvsdhfkidvtneeevkea
vekttkkygridilvnnagieqysplhltpteiwrriidvnvngsylmakytipvmlaig
hgsiiniasvqsyaatknaaayvtskhallgltrsvaidyapkircnavcpgtimtpmvi
kaakmevgedenaverkieewgrqhpmgrigrpeevaevvaflasdrssfitgacltvdg
gllsklpistpna