Leipe D.D., Wolf Y.I., Koonin E.V., and Aravind, L. (2002). „Classification and evolution of P-loop GTPases and related ATPases”. J Mol Bio317 (1): 41–72. DOI:10.1006/jmbi.2001.5378. PMID11916378.
Leipe D.D., Wolf Y.I., Koonin E.V., and Aravind, L. (2002). „Classification and evolution of P-loop GTPases and related ATPases”. J Mol Bio317 (1): 41–72. DOI:10.1006/jmbi.2001.5378. PMID11916378.