>2y5sB (B:) observed residues (from ATOM records)
stflpaplqcgrfeltferplvmgilnatparddalrraermiaegadlldiggestrpg
appvpldeelarviplvealrplnvplsidtykpavmraalaagadlindiwgfrqpgai
davrdgnsglcamhmlgepqtmqvgepdygdvvtdvrdflaaraqalrdagvaaericvd
pgfgfgkavvddnyallaalpdtaparpdgraypilagmsrksmlgaviggkpplervaa
svaaalcavergaaivrvhdvaatvdalsvwnavraaarqr