EntityQ288524· pop 12· linked from 52 articlespi helixSign in to savesecondary protein structureConnectionsalpha helixEntityprotein secondary structureEntity310 helixEntityatomEntityproteinEntityamino acidEntitydigital object identifierEntityångströmEntitynanometreEntitycurveEntityamineEntityglycineEntityL-alanineEntityQ180686Entityhydrogen bondEntitycarbonylEntityspiralEntityQ229883Entitypeptide bondEntityArchimedean spiralEntityCategoriesHelicesProtein structural motifs