>5lu4A (A:) observed residues (from ATOM records)
kkrvftfgkgrsegnrdmksllggkganlaemssiglsvppgltisteaceeyqqngksl
ppglwdeisegldyvqkemsaslgdpskplllsvrsgaaismpgmmdtvlnlglndevva
glagksgarfaydsyrrfldmfgnvvmgiphslfdekleqmkaekgihldtdltaadlkd
lvekyknvyveakgekfptdpkkqlelavnavfdswdsprankyrsinqitglkgtavni
qsmvfgnmgntsgtgvlftrnpstgekklygeflinaqgedvvagirtpedlgtmetcmp
eaykelvenceilerhykdmmdieftvqenrlwmlqcrtgkrtgkgavriavdmvnegli
dtrtaikrvetqhldqllhpqfedpsaykshvvatglpaspgaavgqvcfsaedaetwha
qgksailvrtetspedvggmhaaagiltarggmtshaavvargwgkccvsgcadirvndd
mkiftigdrvikegdwlslngttgevilgkqllappamsndleifmswadqarrlkvman
adtpndaltarnngaqgiglcrtehmffasderikavrkmimavtpeqrkvaldlllpyq
rsdfegiframdglpvtirlldpplhefliyskienlsevnpmlgfrgcrlgisypelte
mqvraifqaavsmtnqgvtvipeimvplvgtpqelrhqisvirgvaanvfaemgvtleyk
vgtmieipraaliaeeigkeadffsfgtndltqmtfgysrddvgkflqiylaqgilqhdp
fevidqkgvgqlikmatekgraanpslkvgicgehggepssvaffdgvgldyvscspfrv
piarlaaaqv