Predicted to enable histone acetyltransferase activity; transcription coregulator activity; and zinc ion binding activity. Predicted to be involved in regulation of DNA-templated transcription. Is an ortholog of C. elegans cbp-1. In C. elegans, cbp-1 is involved in several processes, including positive regulation of transcription by RNA polymerase II; regulation of distal tip cell migration; and spermatogenesis.