PRR4 GI:154448882 proline rich 4 (lacrimal) isoform 1 1 mwrgidsiyp yellqknilp agtcciysrv evftdvnyed ftftipdved 50 51 ssqrpdqgpq rpppegllpr ppgdsgnqdd gpqqrppkpg ghhrhppppp 100 101 fqnqqrpprr ghrqlslprf psvslqeass ffqrdrparh pqeqplw