Takashi Kikuma; Masaya Ohtsu; Takahiko Utsugi; Shoko Koga; Kohji Okuhara; Toshihiko Eki; Fumihiro Fujimori; Yasufumi Murakami (março de 2004). «Dbp9p, a Member of the DEAD Box Protein Family, Exhibits DNA Helicase Activity». J. Biol. Chem. 279 (20): 20692–20698. PMID15028736. doi:10.1074/jbc.M400231200
Takashi Kikuma; Masaya Ohtsu; Takahiko Utsugi; Shoko Koga; Kohji Okuhara; Toshihiko Eki; Fumihiro Fujimori; Yasufumi Murakami (março de 2004). «Dbp9p, a Member of the DEAD Box Protein Family, Exhibits DNA Helicase Activity». J. Biol. Chem. 279 (20): 20692–20698. PMID15028736. doi:10.1074/jbc.M400231200