RKF2 (RECEPTOR-LIKE SERINE/THREONINE KINASE 2); kinase. Identical to Cysteine-rich receptor-like protein kinase 1 precursor (CRK1) [Arabidopsis Thaliana] (GB:Q9LMB9;GB:O22580); similar to protein kinase family protein [Arabidopsis thaliana] (TAIR:AT5G40380.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO64296.1); contains InterPro domain Protein of unknown function DUF26 (InterPro:IPR002902); contains InterPro domain Serine/threonine protein kinase; (InterPro:IPR002290); contains InterPro domain Protein kinase, core; (InterPro:IPR000719); contains InterPro domain Protein kinase-like (InterPro:IPR011009); contains InterPro doma