ATPP2-B15 (Phloem protein 2-B15); carbohydrate binding. Identical to F-box protein PP2-B15 (PP2B15) [Arabidopsis Thaliana] (GB:O80494;GB:Q8LBR0); similar to ATPP2-B13 (Phloem protein 2-B13), carbohydrate binding [Arabidopsis thaliana] (TAIR:AT1G56240.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO17508.1); contains domain F-box domain (SSF81383)