>5tchE (E:) observed residues (from ATOM records)
asrlgpvfdscrannraaligylptgypdvpasvaamtalvesgcdiievgvpysdpvmd
gptiarateaalrggvrvrdtlaaveaisiaggravvmtywnpvlrygvdafardlaaag
glglitpdlipdeaqqwlaaseehrldriflvapsstperlaatveasrgfvyaassqaa
pelvgrvkavsdipvgvglgvrsraqaaqiaqyadgvivgsalvtalteglprlraltge
laagvr