>5dk4A (A:) observed residues (from ATOM records)
gmktifsgiqpsgvitignyigalrqfvelqheyncyfcivdqhaitvwqdphelrqnir
rlaalylavgidptqatlfiqsevpahaqaawmlqcivyigelermtqfkeksagkeavs
aglltypplmaadillyntdivpvgedqkqhieltrdlaerfnkrygelftipearipkv
garimslvdptkkmsksdpnpkayitllddaktiekkiksavtdsegtirydkeakpgis
nllniystlsgqsieelerqyegkgygvfkadlaqvvietlrpiqeryhhwmeseeldrv
ldegaekanrvasemvrkmeqamglgrr