EntityQ283449· pop 35· linked from 953 articlesbeta sheetSign in to savecommon motif of regular secondary structure in proteins; stretch of polypeptide chain typically 3 to 10 amino acids long with backbone in an extended conformationConnectionshydrogen bondEntityprotein secondary structureEntityamyloidEntitybeta barrelEntitysenile plaqueEntityBeta-propellerEntityoxygenEntitynitrogenEntityInternational Standard Book NumberEntityAlzheimer's diseaseEntityamino acidEntityWayback MachineEntityLinus PaulingEntitydigital object identifierEntityInternational Standard Serial NumberEntityångströmEntitynanometreEntityamineEntityglycineEntitypeptideEntityCategoriesProtein structural motifs