PRR4 GI:154448886 proline rich 4 (lacrimal) isoform 2 1 mllvllsvvl lalssaqstd ndvnyedftf tipdvedssq rpdqgpqrpp 50 51 pegllprppg dsgnqddgpq qrppkpgghh rhpppppfqn qqrpprrghr 100 101 qlslprfpsv slqeassffq rdrparhpqe qplw