This domain represents the short C-terminal alpha helical domain from the VHL protein [1].

1: VHL-box and SOCS-box domains determine binding specificity for Cul2-Rbx1 and Cul5-Rbx2 modules of ubiquitin ligases. Kamura T, Maenaka K, Kotoshiba S, Matsumoto M, Kohda D, Conaway RC, Conaway JW, Nakayama KI; Genes Dev. 2004;18:3055-3065. PMID:15601820