EntityQ229812· pop 10· linked from 72 articles310 helixSign in to savetype of secondary structureConnectionsJames WatsonPersonhydrogen bondEntityprotein secondary structureEntitynucleic acid double helixEntityatomEntityproteinEntityInternational Standard Book NumberEntityUniversity of CambridgeEntityamino acidEntityLinus PaulingEntitydigital object identifierEntityhemoglobinEntityFrancis CrickEntityWilliam Lawrence BraggEntitycurveEntityamineEntityL-alanineEntityQ180686EntityNatureEntitybibcodeEntityCategoriesHelicesProtein structural motifs