RNAse P type 2 example. (a) An example of unordered alignment between two RNAse P RNAs: ASE_00018 and ASE_00070 with a corrected p-value score of 3.117×10-6. Grey colored bases in the FRUUT alignment graphics represent deletions. P6 is a pseudoknot marking of the tertiary structure information. (b) Tertiary structural information for A S E_00018 and A S E_00070, taken from the RNAse P Database .