>4zotA (A:) observed residues (from ATOM records)
ssvvvdtngqpvsngadayylvpvshghaglalakigneaepravvldphhrpglpvrfe
splriniikesyflnikfgpsssdsgvwdviqqdpiglavkvtdtksllgpfkvekegeg
ykivyypergqtgldiglvhrndkyylavkdgepcvfkirkat