>2etnB (B:) observed residues (from ATOM records)
arevkltkagyerlmkqleqererlqeatkilqelmessddyddsgleaakqekariear
idsledvlsravileegtgeviglgsvveledpatgerlsvqvvspaeasvlenpmkisd
aspmgkallghrvgdvlsldtpkgkkefrvvaihg