# KDEL Motif

National Cancer Institute

## Source

National Cancer Institute. <u>KDEL Motif</u>. NCI Thesaurus. Code C14084.

A motif found at the C termini of several luminal proteins of the ER that serves to
mediate the retention of resident proteins of the ER lumen through retrieval from post-
ER compartments ER via a transport mechanism involving vesicular and tubular
elements.