>1zk8B (B:) observed residues (from ATOM records)
ltlqkivetaaeiadangvqevtlaslaqtlgvrspslynhvkglqdvrknlgiygikkl
hnrleeaaedkrmdeaihalgeayvafvrkhpglyeatflrdeevrkagdgivklclqvl
qqyglegenalhatrgfrsichgfasieqqggfglpldldislhvlletfikglre