Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g42880	Receptor-like kinase involved in the control of pollen germination and pollen tube polar growth.	No verified direct reference in this release
Arabidopsis	At5g20690	Key receptor for sensing species-specific attractants in cooperation with other pollen receptor-like kinases.	Tip-localized receptors control pollen tube growth and LURE sensing in Arabidopsis.; 2016; DOI: 10.1038/nature17413; PMID: 26961657; https://pubmed.ncbi.nlm.nih.gov/26961657/ | Structural basis for receptor recognition of pollen tube attraction peptides.; 2017; DOI: 10.1038/s41467-017-01323-8; PMID: 29109411; https://pubmed.ncbi.nlm.nih.gov/29109411/
Arabidopsis	At2g07040	Receptor-like kinase involved in the control of pollen germination and pollen tube polar growth.	A distinct mechanism regulating a pollen-specific guanine nucleotide exchange factor for the small GTPase Rop in Arabidopsis thaliana.; 2007; DOI: 10.1073/pnas.0705874104; PMID: 18000057; https://pubmed.ncbi.nlm.nih.gov/18000057/ | AtPRK2 promotes ROP1 activation via RopGEFs in the control of polarized pollen tube growth.; 2013; DOI: 10.1093/mp/sss103; PMID: 23024212; https://pubmed.ncbi.nlm.nih.gov/23024212/ | The juxtamembrane and carboxy-terminal domains of Arabidopsis PRK2 are critical for ROP-induced growth in pollen tubes.; 2013; DOI: 10.1093/jxb/ert323; PMID: 24136420; https://pubmed.ncbi.nlm.nih.gov/24136420/
Arabidopsis	At5g35390	Receptor-like kinase involved in the control of pollen germination and pollen tube polar growth.	AtPRK2 promotes ROP1 activation via RopGEFs in the control of polarized pollen tube growth.; 2013; DOI: 10.1093/mp/sss103; PMID: 23024212; https://pubmed.ncbi.nlm.nih.gov/23024212/
Arabidopsis	At4g31250	Probable LRR receptor-like serine/threonine-protein kinase At4g31250.	No verified direct reference in this release