Type: | Repeat | Name: | PQ-loop repeat |
Description: | Some membrane bound proteins possess a pair of repeats each spanning two transmembrane helices connected by a loop []. The PQ motif found on loop 2 is critical for the localisation of cystinosin to lysosomes []. However, the PQ motif appears not to be a general lysosome-targeting motif. It is thought to possess a more general function; most probably this involves a glutamine residue []. | Short Name: | PQ-loop_rpt |