>1rkxB (B:) observed residues (from ATOM records)
innsfwqgkrvfvtghtgfkggwlslwlqtmgatvkgysltaptvpslfetarvadgmqs
eigdirdqnkllesirefqpeivfhmaaqplvrlsysepvetystnvmgtvylleairhv
ggvkavvnitsdkcydnkewiwgyreneamggydpysnskgcaelvtssyrnsffnpany
gqhgtavatvragnvigggdwaldrivpdilrafeqsqpviirnphairpwqhvleplsg
ylllaqklytdgaeyaegwnfgpndadatpvkniveqmvkywgegaswqhylkldcskak
mqlgwhprwnlnttleyivgwhknwlsgtdmheysiteinnymntk