eschewed EnzymesFurther study of these proteins reveals them tobe highly advanced proteins capable of passing through membranesdespite their size. Researchers in another lab have managed tocreate an enzyme that is capable of recognizing an amino acidsequence that is unique to each of these toxic compounds andpresent on all of them. This enzyme, the researchers named Ripley1,is able to attach a ubiquitin molecule to the toxic proteins. Whatwill happen to these toxins in a cell if they areubiquitinated?Early treatments of plants with Ripley1 has shownthat it has exceptional difficulty localizing itself into the plantcells. What chemical characteristics of this Ripley1 protein arelikely preventing it from entering the plant cells?It was observedthat animal cells are able to uptake the enzyme Ripley1. Whatmethod of cellular eating is most likely being used by these cellsto take up the Ripley1 proteins?
