REG1B

Lithostathine-1-beta is a is_associated_with::protein that in humans is encoded by the REG1B is_associated_with::gene.

Function
This gene is a type I subclass member of the Reg gene family. The Reg gene family is a multigene family grouped into four subclasses, types I, II, III and IV based on the primary structures of the encoded proteins. This gene encodes a protein that is secreted by the is_associated_with::exocrine pancreas. It is associated with is_associated_with::islet cell regeneration and diabetogenesis and may be involved in pancreatic lithogenesis. Reg family members is_associated_with::REG1A, REGL, PAP and this gene are tandomly clustered on chromosome 2p12 and may have arisen from the same ancestral gene by gene duplication.