PRP4 (PROLINE-RICH PROTEIN 4). similar to ATPRP2 (PROLINE-RICH PROTEIN 2) [Arabidopsis thaliana] (TAIR:AT2G21140.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO47331.1); contains InterPro domain Protein of unknown function DUF1210 (InterPro:IPR010616)