configurational homosequence

in polymers
https://doi.org/10.1351/goldbook.C01252
A @C01284@ in which the @R05260@ or @A00020@ is defined at one or more sites of @S05983@ in each @C01288@ in the main chain of a @P04735@ molecule.
Source:
Purple Book, 1st ed., p. 36 [Terms] [Book]