Comparison of the HMM Logos of the small GTPases Ras and Rab from SMART . The Ras logo is based on an alignment of 35 sequences; the Rab logo on 48 sequences. The height of the entire vertical axis is 5 bits for both logos. Subfamily specific sites RabF2 to RabF5  are indicated by arrows.
Schuster-Böckler et al. BMC Bioinformatics 2004 5:7 doi:10.1186/1471-2105-5-7