最早被发现与METTL3作用的蛋白是拟南芥中的FIP37，即WT

The identity of any of the other proteins that act together with METTL3 remained unknown until it was shown in Arabidopsis that FIP37 (FKBP12 INTERACTING PROTEIN 37) was a partner protein of MTA (the homologue of METTL3) (Zhong et al., 2008; Shen et al., 2016). ↓

Zhong S, Li H, Bodi Z, Button J, Vespa L, Herzog M, Fray RG. 2008. MTA is an Arabidopsis messenger RNA adenosine methylase and interacts with a homolog of a sex-specific splicing factor. Plant Cell 20: 1278–1288. https://doi.org/10.1105/tpc.108.058883

Shen L, Liang Z, Gu X, Chen Y, Teo ZWN, Hou X, Cai WM, Dedon PC, Liu L, Yu H. 2016. N6-methyladenosine RNA modification regulates shoot stem cell fate in Arabidopsis. Developmental Cell 38: 186–200. https://doi.org/10.1016/j.devcel.2016.06.008