Akademik

1. A unit that forms a distinct part of a larger structure. SEE ALSO: monomer. 2. The single protein or polypeptide chain that can be separated from an oligomer protein without cleaving covalent bonds other than disulfide bridges between cysteinyl residues. 3. A single biopolymer separated from a larger multimeric structure.

sub·unit 'səb-.yü-nət n a unit that forms a discrete part of a more comprehensive unit <\subunits of a protein>