SPRR1B, Official Symbol SPRR1Bprovided by HGNC Official Full Name small proline rich protein 1Bprovided by HGNC Primary source HGNC:HGNC:11260 See related Ensembl:ENSG00000169469 MIM:182266; AllianceGenome:HGNC:11260 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 SPRR1; GADD33; SPR-IB; CORNIFIN Summary The protein encoded by this gene is an envelope protein of keratinocytes. The encoded protein is crosslinked to membrane proteins by transglutaminase, forming an insoluble layer under the plasma membrane. This protein is proline-rich and contains several tandem amino acid repeats. [provided by RefSeq, Nov 2015] Expression Restricted expression toward esophagus (RPKM 644.6) See more Orthologs mouse all