>3r4tA (A:) observed residues (from ATOM records)
asldqsrllvteipgpaslelnkrraaavsggvgvtlpvfvvragggivedadgnrlidl
gsgiavttignsaprvvdavrdqveqfthtcfmvtpyeqyvavaeqlnritpgsgekrtv
lfnsgaeavensikvarahtrkqavvafdyayhgrtnltmaltaksmpyksgfgpfapei
yrapvsypyrdnlldkdiatdgelaaerainlidkqigaanlaaviiepiageggfivpa
dgflpalqrwcrdndvvfiadevqtgfartgamfacdhenvepdlivtakgiadgfplsa
vtgraeimdaphtsglggtfggnpvacaaalatietierdgmverarqierlvmdrllrl
qaaddrlgdvrgrgamiamelvksgtaepdaaltqklaaaahaagvivltcgmfgnvirl
lppltisdellsegldilcqilad