OBSOLETE. Assists in the correct non-covalent assembly of polypeptide-containing structures in vivo, but is not a component of these assembled structures when they are performing their normal biological function.
Source:ISBN:0198547684
Comment
This term was made obsolete because, as defined, it represents a class of gene products rather than a molecular function. The term string is also ambiguous, having connotations of involvement in transport processes.