In February 2024, we made a new release of the RNA Base Triple Database. See the Help page for details and links.

108 Triple Families
  cHW tHW cHH tHH cHS tHS cSW tSW cSH tSH cSS tSS
cWW 9/36 13/36 2/17 6/45 13/54 8/39 15/60 10/53 11/52 9/37 24/60 13/30
tWW 0/34 3/33 1/16 2/41 1/50 6/35 2/56 1/50 0/48 1/34 9/56 1/28
cHW 2/24 1/23 0/11 0/29 2/36 1/25 1/40 0/36 0/34 0/24 0/40 0/20
tHW 1/24 2/23 0/11 0/29 1/36 1/25 2/40 3/36 3/34 2/24 9/40 1/20
cSW 2/40 4/40 0/20 0/48 4/56 0/40 0/64 0/56 0/56 6/40 3/64 1/32
tSW 0/32 3/32 0/14 0/42 0/52 2/38 2/56 1/50 1/48 0/34 2/56 1/28
cWH             0/40 1/34 0/36 0/26 3/40 6/24
tWH             1/40 2/33 2/37 0/27 9/40 9/28
cHH             0/20 0/16 0/19 0/14 0/20 0/16
tHH             2/48 0/41 0/43 1/31 5/48 5/28
cSH             0/56 0/50 0/48 1/34 4/56 1/24
tSH             2/40 0/35 0/35 0/25 9/40 9/20

number of observed sequence combinations / number of expected sequence combinations (maximum is 64).

Triples grouped by sequence combination
  A C G U
AA AAA AAC AAG AAU
AC ACA ACC ACG ACU
AG AGA AGC AGG AGU
AU AUA AUC AUG AUU
CA CAA CAC CAG CAU
CC CCA CCC CCG CCU
CG CGA CGC CGG CGU
CU CUA CUC CUG CUU
GA GAA GAC GAG GAU
GC GCA GCC GCG GCU
GG GGA GGC GGG GGU
GU GUA GUC GUG GUU
UA UAA UAC UAG UAU
UC UCA UCC UCG UCU
UG UGA UGC UGG UGU
UU UUA UUC UUG UUU
Version: v1.4
All triple combinations = 4*4*4*108 = 6912
Potential models = 3934
Observed triples = 296
Observed triples as a percentage of potential sequence combinations (excluding the unobserved families): 11.415%