PFN1/PRF1 (PROFILIN 1); actin binding. Identical to Profilin-1 (PRO1) [Arabidopsis Thaliana] (GB:Q42449); similar to PFN2/PRF2/PRO2 (PROFILIN 2), actin binding / protein binding [Arabidopsis thaliana] (TAIR:AT4G29350.1); similar to profilin-like protein [Solanum tuberosum] (GB:ABB16985.1); similar to Profilin (Allergen Fra a 4) (GB:P0C0Y3); contains InterPro domain Profilin, plant; (InterPro:IPR005455); contains InterPro domain Profilin/allergen; (InterPro:IPR002097)