The estimated molecular mass of the protein was around 95 kDa.
It reacts by immunoblotting with a component of 30 - 35 kDa in reduced or non - reduced erythrocyte membranes.
It is initially synthesized as a 76 kDa polypeptide using host cell transcription and translation machinery.
The 4.1 kDa N-terminal transit peptide appears to target the nuclear encoded gene product through the chloroplast envelope into the chloroplast stroma.