PRP3 (PROLINE-RICH PROTEIN 3); structural constituent of cell wall. similar to ATPRP1 (PROLINE-RICH PROTEIN 1), structural constituent of cell wall [Arabidopsis thaliana] (TAIR:AT1G54970.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN65164.1); contains InterPro domain Extensin-like protein; (InterPro:IPR003883)