Phytosulfokine-beta PSK1_ORYSJ P0505A04.32-1 OsJ_021203 Phytosulfokine-alpha LOC_Os06g42680 Os06g0633300 89 MVNPGRTARALCLLCLALLLLGQDTHSRKLLLQEKHSHGVGNGTTTTQEPSRENGGSTGSNNNGQLQFDSAKWEEFHTDYIYTQDVKKP Phytosulfokines 1 PSK PSK1 Promotes plant cell differentiation, organogenesis and somatic embryogenesis as well as cell proliferation.