>5tchA (A:) observed residues (from ATOM records) easrlgpvfdscrannraaligylptgypdvpasvaamtalvesgcdiievgvpysdpvm dgptiarateaalrggvrvrdtlaaveaisiaggravvmtywnpvlrygvdafardlaaa gglglitpdlipdeaqqwlaaseehrldriflvapsstperlaatveasrgfvyaassqa apelvgrvkavsdipvgvglgvrsraqaaqiaqyadgvivgsalvtalteglprlraltg elaagvrlg