Predicted to enable transcription coregulator activity. Predicted to be involved in mitotic chromosome condensation and regulation of transcription by RNA polymerase II. Predicted to be part of condensin complex and mediator complex. Is an ortholog of C. elegans hcp-6. In C. elegans, hcp-6 is involved in attachment of mitotic spindle microtubules to kinetochore; embryo development; and mitotic chromosome condensation.