Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At3g10330	General factor that plays a major role in the activation of eukaryotic genes transcribed by RNA polymerase II.	No verified direct reference in this release
Arabidopsis	At2g41630	General factor that plays a major role in the activation of eukaryotic genes transcribed by RNA polymerase II (By similarity).	The Arabidopsis general transcription factor TFIIB1 (AtTFIIB1) is required for pollen tube growth and endosperm development.; 2013; DOI: 10.1093/jxb/ert078; PMID: 23547107; https://pubmed.ncbi.nlm.nih.gov/23547107/
Arabidopsis	At3g29380	Plant-specific TFIIB-related protein involved in the regulation of endosperm proliferation during the syncytial phase of endosperm development.	No verified direct reference in this release
Rice	Os09g0534800	General factor that plays a major role in the activation of eukaryotic genes transcribed by RNA polymerase II.	Rice TATA binding protein interacts functionally with transcription factor IIB and the RF2a bZIP transcriptional activator in an enhanced plant in vitro transcription system.; 2002; DOI: 10.1105/tpc.010364; PMID: 11971135; https://pubmed.ncbi.nlm.nih.gov/11971135/