>1r4nE (E:) observed residues (from ATOM records)
kllkeqkydrqlrlwgdhgqealesahvclinatatgteilknlvlpgigsftiidgnqv
sgedagnnfflqrssigknraeaameflqelnsdvsgsfveespenlldndpsffcrftv
vvatqlpestslrladvlwnsqipllicrtyglvgymriiikehpvieshpdnaledlrl
dkpfpelrehfqsydhshtpwiviiakylaqwysetngripktykekedfrdlirqgilk
pedeenfeeaiknvntalnttqipssiedifnddrcinitkqtpsfwilaralkefvake
gqgnlpvrgtipdmiadsgkyiklqnvyrekakkdaaavgnhvakllqsigqapesisek
elkllcsnsaflrvvrcrslaeeygldtinkdeiissmdnpdneivlylmlravdrfhkq
qgrypgvsnyqveedigklkscltgflqeyglsvmvkddyvhefcrygaaephtiaaflg
gaaaqevikiitkqfvifnntyiysgmsqtsatfql