Aliases for GLB1 Gene
External Ids for GLB1 Gene
Previous HGNC Symbols for GLB1 Gene
Previous GeneCards Identifiers for GLB1 Gene
This gene encodes a member of the glycosyl hydrolase 35 family of proteins. Alternative splicing results in multiple transcript variants, at least one of which encodes a preproprotein that is proteolytically processed to generate the mature lysosomal enzyme. This enzyme catalyzes the hydrolysis of a terminal beta-linked galactose residue from ganglioside substrates and other glycoconjugates. Mutations in this gene may result in GM1-gangliosidosis and Morquio B syndrome. [provided by RefSeq, Nov 2015]
GeneCards Summary for GLB1 Gene
GLB1 (Galactosidase Beta 1) is a Protein Coding gene. Diseases associated with GLB1 include Gm1-Gangliosidosis, Type I and Gm1-Gangliosidosis, Type Ii. Among its related pathways are Sphingolipid metabolism and Lysosome. Gene Ontology (GO) annotations related to this gene include hydrolase activity, hydrolyzing O-glycosyl compounds and galactoside binding. An important paralog of this gene is GLB1L.
UniProtKB/Swiss-Prot Summary for GLB1 Gene
[Isoform 1]: Cleaves beta-linked terminal galactosyl residues from gangliosides, glycoproteins, and glycosaminoglycans.
[Isoform 2]: Has no beta-galactosidase catalytic activity, but plays functional roles in the formation of extracellular elastic fibers (elastogenesis) and in the development of connective tissue. Seems to be identical to the elastin-binding protein (EBP), a major component of the non-integrin cell surface receptor expressed on fibroblasts, smooth muscle cells, chondroblasts, leukocytes, and certain cancer cell types. In elastin producing cells, associates with tropoelastin intracellularly and functions as a recycling molecular chaperone which facilitates the secretions of tropoelastin and its assembly into elastic fibers.