An E.coli-derived zebrafish DNAJA2a/b recombinant protein (amino acids M1-Q230) was used as the immunogen for the Zebrafish Dnaja2 antibody. This antibody will detect the a and b isoforms.
DnaJ homolog subfamily A member 2 is a protein that in humans is encoded by the DNAJA2 gene. It is mapped to 16q11.2. The protein encoded by this gene belongs to the evolutionarily conserved DNAJ/HSP40 family of proteins, which regulate molecular chaperone activity by stimulating ATPase activity. DNAJ proteins may have up to 3 distinct domains: a conserved 70-amino acid J domain, usually at the N terminus, a glycine/phenylalanine (G/F)-rich region, and a cysteine-rich domain containing 4 motifs resembling a zinc finger domain. The product of this gene works as a cochaperone of Hsp70s in protein folding and mitochondrial protein import in vitro.