PRB3, Official Symbol PRB3provided by HGNC Official Full Name proline rich protein BstNI subfamily 3provided by HGNC Primary source HGNC:HGNC:9339 See related Ensembl:ENSG00000197870 MIM:168840; AllianceGenome:HGNC:9339 Gene type protein coding RefSeq status REVIEWED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as G1; PRG Summary This gene encodes a member of the heterogeneous family of basic, proline-rich, human salivary glycoproteins. Multiple alleles of this gene exhibiting variations in the length of the tandem repeats have been identified. The reference genome encodes the "Long" allele. The protein isoforms encoded by this gene are recognized as the "first line of oral defense" against the detrimental effects of polyphenols in the diet and pathogen infections. This gene is located in a cluster of closely related salivary proline-rich proteins on chromosome 12. [provided by RefSeq, Nov 2015] Expression Restricted expression toward salivary gland (RPKM 9550.6) See more Orthologs all