>d1bgxt1 a.60.7.1 (T:174-289) 5' to 3' exonuclease domain of DNA polymerase Taq {Thermus aquaticus} lrpdqwadyraltgdesdnlpgvkgigektarklleewgsleallknldrlkpairekil ahmddlklswdlakvrtdlplevdfakrrepdrerlraflerlefgsllhefglle