>1ri4A (A:) observed residues (from ATOM records)
sktinirnannfikaclirlytkrgdsvldlgcgkggdllkyeragigeyygvdiaevsi
ndarvrarnmkrrfkvffraqdsygrhmdlgkefdvissqfsfhyafstsesldiaqrni
arhlrpggyfimtvpsrdvilerykqgrmsndfykielekmedvpmesvreyrftlldsv
nncieyfvdftrmvdgfkrlglslverkgfidfyedegrrnpelskkmglgcltreesev
vgiyevvvfrkl