All complementary internal loops
# | id | PDB | Info |
---|---|---|---|
1 | 1A1T | CUA,UAG | |
2 | 1ANR | GAGC,GCUC | |
3 | 1ANR | GGC,GCC | |
4 | 1ANR | AGC,GCU | |
5 | 1ANR | GGC,GCC | |
6 | 1ARJ | GGC,GCC | |
7 | 1ARJ | CAG,CUG | |
8 | 1ARJ | GGC,GCC | |
9 | 1ARJ | AGA,UCU | |
10 | 1BN0 | GAC,GUC | |
11 | 1BN0 | CUA,UAG | |
12 | 1BN0 | GAC,GUC | |
13 | 1BN0 | CUA,UAG | |
14 | 1BN0 | GAC,GUC | |
15 | 1DI2 | GGCGCGCGCC,GGCGCGCGCC | |
16 | 1EFW | GGA,UCC | |
17 | 1EI2 | GUG,CAC | |
18 | 1EI2 | GUG,CAC | |
19 | 1EKZ | CAG,CUG | |
20 | 1EKZ | CUG,CAG |
Coloring options:  
Some internal loops are self-complementary, which may indicate that they are, in fact, simply normal watson-crick helices and shouldn't be considered as internal loops.