>4xeyB (B:) observed residues (from ATOM records)
lekhswyhgpvsrnaaeyllssgingsflvresesspgqrsislryegrvyhyrintasd
gklyvsrfntlaelvhhhstvadglittlhypapkydkwemertditmkhklevyegvwk
kysltvavktltmeveeflkeaavmkeikhpnlvqllgvctreppfyiitefmtygnlld
ylrecnrqevnavvllymatqissameylekknfihrdlaarnclvgenhlvkvadfgls
rlmtgdtytahagakfpikwtapeslaynkfsiksdvwafgvllweiatygmspypgidl
sqvyellekdyrmerpegcpekvyelmracwqwnpsdrpsfaeihqafetmfqessisd