Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g22260	Required for chromosome synapsis and normal fidelity of crossing over.	No verified direct reference in this release
Arabidopsis	At1g22275	Required for chromosome synapsis and normal fidelity of crossing over.	No verified direct reference in this release
Rice	Os04g0452500	Required for chromosome synapsis and regulates crossover frequency during meiosis.	The central element protein ZEP1 of the synaptonemal complex regulates the number of crossovers during meiosis in rice.; 2010; DOI: 10.1105/tpc.109.070789; PMID: 20154151; https://pubmed.ncbi.nlm.nih.gov/20154151/