S-locus protein kinase, putative. similar to ARK1 (A. THALIANA RECEPTOR KINASE I), kinase [Arabidopsis thaliana] (TAIR:AT1G65790.1); similar to ARK3 (Arabidopsis Receptor Kinase 3), kinase [Arabidopsis thaliana] (TAIR:AT4G21380.1); similar to ARK2 (Arabidopsis Receptor Kinase 2), kinase [Arabidopsis thaliana] (TAIR:AT1G65800.1); similar to S receptor kinase SRK37 [Arabidopsis lyrata] (GB:ABF71379.1); similar to SRKa [Arabidopsis lyrata] (GB:BAB40986.1); similar to S receptor kinase SRK04 [Arabidopsis halleri] (GB:ABF71368.1); contains InterPro domain Apple-like (InterPro:IPR003609); contains InterPro domain Serine/threonine protein kinase; (I