EntityQ899689· pop 25· linked from 382 articlesside chainSign in to saveoligomeric or polymeric chemical group that is attached to a core part of the molecule called "main chain" or backboneConnectionspendant groupEntityproteinEntityInternational Standard Book NumberEntitybiochemistryEntityorganic chemistryEntityionEntitymass densityEntityamino acidEntityhydrocarbonEntitydigital object identifierEntityInternational Standard Serial NumberEntitypolymerEntityInternational Union of Pure and Applied ChemistryEntitymacromoleculeEntityfunctional groupEntityQ180686EntityradicalEntityamidesEntityQ229883Entityalkyl groupEntityCategoriesBiochemistryOrganic chemistryProtein structure