🌐EnglishEnglishEspañolFrançaisРусский中文日本語EntityQ4384651· pop 8· linked from 67 articlesPolyproline helixAlso known as PPIIType of protein secondary structureAvailable in 8 languagesEspañolFrançais中文日本語РусскийSerbianSerbian (Latin)via Wikidata sitelinks · CC0Connectionsprotein secondary structureEntity310 helixEntityCategoriesHelicesProtein structural motifs