EntityQ4384651· pop 8· linked from 67 articlesPolyproline helixSign in to saveType of protein secondary structureConnectionsprotein secondary structureEntity310 helixEntityproteinEntityamino acidEntitydigital object identifierEntityInternational Standard Serial NumberEntitycurveEntityglycineEntitypeptideEntityQ180686Entityhydrogen bondEntitybibcodeEntitycollagenEntityDL-prolineEntityspiralEntityQ229883Entitypeptide bondEntityArchimedean spiralEntityhelixEntitycurvatureEntityCategoriesHelicesProtein structural motifs