Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g23120	Essential for photosystem II (PSII) biogenesis.	The HCF136 protein is essential for assembly of the photosystem II reaction center in Arabidopsis thaliana.; 2002; DOI: 10.1016/s0014-5793(02)03634-7; PMID: 12459468; https://pubmed.ncbi.nlm.nih.gov/12459468/ | A nuclear-encoded protein of prokaryotic origin is essential for the stability of photosystem II in Arabidopsis thaliana.; 1998; DOI: 10.1093/emboj/17.18.5286; PMID: 9736608; https://pubmed.ncbi.nlm.nih.gov/9736608/
Rice	Os06g0729500	Essential for photosystem II (PSII) biogenesis; required for assembly of an early intermediate in PSII assembly that includes D2 (psbD) and cytochrome b559.	No verified direct reference in this release