>1arzB (B:) observed residues (from ATOM records)
nirvaiagaggrmgrqliqaalalegvqlgaaleregssllgsdagelagagktgvtvqs
sldavkddfdvfidftrpegtlnhlafcrqhgkgmvigttgfdeagkqairdaaadiaiv
faanfsvgvnvmlkllekaakvmgdytdieiieahhrhkvdapsgtalamgeaiahaldk
dlkdcavysreghtgervpgtigfatvragdivgehtamfadigerleithkassrmtfa
ngavrsalwlsgkesglfdmrdvldlnnl