Recombinant proteins for S100 calcium binding protein A5 are available from various sources. In humans, this protein has a Uniprot ID of P33763 and has an annotated function: 'Binds calcium, zinc and copper.' This protein is 92 amino acids in length and 10.8 kilodaltons in mass. This protein is encoded by the gene S100A5. Other names also exist, such as: protein S100-A5. As many as 2 isoforms have been named. This protein is conserved in other species, including: chimpanzee.