Also found in: Dictionary, Thesaurus, Legal, Financial, Idioms, Encyclopedia, Wikipedia.


1. Posttranslational modification of proteins, particularly secretory proteins and proteins targeted for membranes or specific cellular locations. Synonym(s): trafficking
2. Posttranscriptional modification of polynucleic acids.


The process of having proteins contain certain signals such that the proteins are directed specifically towards certain cellular locations, for example, the lysosome. Compare: processing.


see homing.
References in periodicals archive ?
The presence, or lack of, state and local law determines whether a location serves as a source area or a market area in the illegal world of trafficking.
A firearms trafficking investigation begins with the recovery of the firearm.
Other customers must outsource their ad trafficking needs so they can concentrate more fully on building other aspects of their business, while others need additional support to cover trafficking duties during holidays or otherwise busy seasons.