The 26283 part of MBS is a section of the publicly available Molecular Biology Sequence (MBS) database. It contains sequence data from a variety of organisms, including prokaryotes, viruses, fungi, and plants. It includes nucleotide, protein, and other functional data about genes, transcripts, proteins, and their associated functional roles. The 26283 section includes information about diseases, viruses, enzymes, and pathways. Additionally, it contains gene regulatory information, literature references related to genes, data supporting gene clustering and protein function prediction, and structural annotations.