Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g04890	Probable transcription factor that binds to the L1 box DNA sequence 5'-TAAATG[CT]A-3'.	Regulation of shoot epidermal cell differentiation by a pair of homeodomain proteins in Arabidopsis.; 2003; DOI: 10.1242/dev.00292; PMID: 12505995; https://pubmed.ncbi.nlm.nih.gov/12505995/ | Mutations in epidermis-specific HD-ZIP IV genes affect floral organ identity in Arabidopsis thaliana.; 2013; DOI: 10.1111/tpj.12211; PMID: 23590515; https://pubmed.ncbi.nlm.nih.gov/23590515/ | Arabidopsis DELLA and two HD-ZIP transcription factors regulate GA signaling in the epidermis through the L1 box cis-element.; 2014; DOI: 10.1105/tpc.114.127647; PMID: 24989044; https://pubmed.ncbi.nlm.nih.gov/24989044/
Arabidopsis	At4g21750	Probable transcription factor involved in cell specification and pattern formation during embryogenesis.	Identification of a cis-regulatory element for L1 layer-specific gene expression, which is targeted by an L1-specific homeodomain protein.; 2001; DOI: 10.1046/j.1365-313x.2001.01047.x; PMID: 11439135; https://pubmed.ncbi.nlm.nih.gov/11439135/ | Regulation of shoot epidermal cell differentiation by a pair of homeodomain proteins in Arabidopsis.; 2003; DOI: 10.1242/dev.00292; PMID: 12505995; https://pubmed.ncbi.nlm.nih.gov/12505995/ | Arabidopsis DELLA and two HD-ZIP transcription factors regulate GA signaling in the epidermis through the L1 box cis-element.; 2014; DOI: 10.1105/tpc.114.127647; PMID: 24989044; https://pubmed.ncbi.nlm.nih.gov/24989044/
Arabidopsis	At1g05230	Probable transcription factor (By similarity).	Mutations in epidermis-specific HD-ZIP IV genes affect floral organ identity in Arabidopsis thaliana.; 2013; DOI: 10.1111/tpj.12211; PMID: 23590515; https://pubmed.ncbi.nlm.nih.gov/23590515/
Rice	Os04g0627000	Probable transcription factor.	No verified direct reference in this release
Rice	Os08g0187500	Probable transcription factor that may be involved in protoderm differentiation and radial pattern formation during early embryogenesis.	Position dependent expression of GL2-type homeobox gene, Roc1: significance for protoderm differentiation and radial pattern formation in early rice embryogenesis.; 2002; DOI: 10.1046/j.1365-313x.2002.01234.x; PMID: 11846882; https://pubmed.ncbi.nlm.nih.gov/11846882/