>2dfsQ (Q:) observed residues (from ATOM records)
qiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgngtidfpe
fltmmarkmkdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltdeevdemire
adidgdgqvnyeefvqmmtak