Table 2.

Tetra-tricopeptide repeat and HAT-TPR proteins identified and studied in C. reinhardtii.

Type of protein	Name	Number of TPR motifs	Target	Function	Reference
TPR	CGL71	3	Not apply	Assembly of the PSI complex. Involved in protecting the PSI assembly process from oxidative disruption	Heinnickel et al., 2016
	IFT139	4	Not apply	Involved in the intraflagellar transport. IFTA subcomplex.	Pazour et al., 2000; Behal et al., 2012
	IFT88	2	Not apply	Involved in the intraflagellar transport. IFTB subcomplex.	Pazour et al., 2000; Behal et al., 2012
	FAP70	2	Not apply	Involved in ciliary motility	Shamoto et al., 2018; Hou et al., 2021
	FLP	2	Not apply	Regulator of the chlorophyll synthesis pathway	Falciatore et al., 2005
	REP27	2	psbA	Factor for the psbA mRNA translation initiation and assembly of the nascent D1 protein. Activation of the bound D1 in the PSII reaction center during the PSII repair process.	Park et al., 2007; Dewez et al., 2009
	Tic40	1	Not apply	Component of the chloroplast protein import machinery.	Kalanon and McFadden, 2008
	Ycf3	3	PsaA, PsaD subunits	Assembly of the PSI complex.	Boudreau et al., 1997; Naver et al., 2001; Rochaix et al., 2004; Nellaepalli et al., 2018
HAT-TPR	MAC1	12	psaC	Stabilization of psaC 5'UTR.	Douchi et al., 2016
	MBB1	10	psbB-psbT-psbH	Processing of psbB-psbT-psbH operon. Stabilization of psbB-psbT and psbH 5'UTR.	Monod et al., 1992; Vaistij et al., 2000a,b; Loizeau et al., 2014
	MBD1 (NAC2)	9	psbD	Stabilization of psbD 5'UTR.	Kuchka et al., 1989; Boudreau et al., 2000; Schwarz et al., 2007, 2012