rabproteïne
Rabproteïne is a term that appears to be a misspelling or a non-standard term. It is possible the user is referring to "rabies protein," which relates to the rabies virus, or perhaps a specific protein involved in a biological process that has been incorrectly transcribed. Without further context, it is difficult to provide a definitive article.
If the intention was to inquire about rabies, it is a viral disease that affects the central
Alternatively, if "rabproteïne" refers to a specific protein, more information is needed. Proteins are essential macromolecules