In living organisms, protein molecules with different chemical structures called proteoforms, are produced from a single gene ...

In fact, the 3D structure of this globular protein is precisely encoded by the sequence of the monomer units in the polymer chain — the so-called primary structure of this macromolecule.

Overall structure of the germin homohexamer Structural analysis showed the germin protein to be a disc shaped ... the three-fold symmetry axis. The monomers in each of the three dimers are related ...