ABCA13 Proteins and Enzymes

In human, the ATP-binding cassette (ABC) family of transmembrane transporters has at least 48 genes and 7 genesubfamilies. This gene is a member of ABC gene subfamily A (ABCA). Genes within the ABCA family typically encodeseveral thousand amino acids. Like other ABC transmembrane transporter proteins, this protein has 12 or moretransmembrane alpha-helix domains that likely arrange to form a single central chamber with multiple substrate bindingsites. It is also predicted to have two large extracellular domains and two nucleotide binding domains as is typicalfor ABCA proteins. Alternative splice variants have been described but their biological validity has not beendemonstrated.