InterPro domain: IPR044517

This entry represents a group of plant tetratricopeptide repeat proteins, including PHOX1-4 from Arabidopsis and HIP from Zea mays. They are putative co-chaperones of Hsp90/Hsp70 [ 1 ]. PHOX2, also known as CLMP1, is required for plastid separation [ 2 ].

1. In silico identification of carboxylate clamp type tetratricopeptide repeat proteins in Arabidopsis and rice as putative co-chaperones of Hsp90/Hsp70. PLoS One 5, e12761
2. CLUMPED CHLOROPLASTS 1 is required for plastid separation in Arabidopsis. Proc Natl Acad Sci U S A 108, 18530-5