Predicted to enable DNA binding activity. Predicted to be involved in several processes, including antimicrobial humoral immune response mediated by antimicrobial peptide; defense response to other organism; and nucleosome assembly. Predicted to be located in cytosol; extracellular space; and nucleoplasm. Predicted to be part of nucleosome. Orthologous to human H2BC12 (H2B clustered histone 12). [provided by Alliance of Genome Resources, Apr 2022]