Molecule | Alignment | # of Sequences |
---|---|---|
rRNA (5S / 16S / 23S) | T (Three Domains/Two Organelles) | 686/6389/922 |
 | 3 (Three Phylogenetic Domains) | -- / 5591 / 585 |
 | A (Archaea) | 53/171/39 |
 | B (Bacteria) | 323/4213/431 |
 | C (Eukaryota chloroplast) | -- / 127 / 52 |
 | E (Eukaryota nuclear) | 299/1937/115 |
 | M (Eukaryota mitochondria) | -- / 899 / 295 |
Group I Intron | A (IA1, IA2, and IA3 subgroups) | 82 |
 | B (IB1, IB2, IB3, and IB4 subgroups) | 72 |
 | C (IC1 and IC2 subgroups) | 305 |
 | Z (IC3 subgroup) | 125 |
 | D (ID subgroup) | 19 |
 | E (IE subgroup) | 46 |
 | U (all other group I introns) | 41 |
Group II Intron | A (IIA subgroup) / B (IIB subgroup) | 171/571 |
tRNA | A (Alanine tRNAs) / C (Cysteine tRNAs) | 64/19 |
 | D (Aspartic Acid tRNAs) / E (Glutamic Acid tRNAs) | 35/49 |
 | F (Phenylalanine tRNAs) / G (Glycine tRNAs) | 54/69 |
 | H (Histidine tRNAs) / I (Isoleucine tRNAs) | 38/56 |
 | K (Lysine tRNAs) / M (Methionine tRNAs) | 53/36 |
 | N (Asparagine tRNAs) / P (Proline tRNAs) | 35/55 |
 | Q (Glutamine tRNAs) / R (Arginine tRNAs) | 35/62 |
 | T (Threonine tRNAs) / V (Valine tRNAs) | 49/65 |
 | W (Tryptophan tRNAs) / X (Methionine Initiator tRNAs) | 30/65 |
 | Y (Tyrosine tRNAs) / Z (All Type 1 tRNAs) | 47 / 895 |