Proteinoplast

A Proteinoplast ( "formed" from Ancient Greek πρωτεῖος proteios "basic" and ancient Greek πλαστός plastos ) is a colorless plastid ( Leukoplast ) has differentiated itself for storage of proteins and enzymes from a proplastid.

Weblink

Robert Wise: 1 Add: The Diversity of Plastid Form and Function. Springer, 2007. (English)