tRNA & aminoacyl-tRNA synthetase table | taaRSAt home page


tRNAIle (cytosolic and mitochondrial [imported])

(aminoacylated by IleRS)

Codons and anticodons
codons read by: codon usage (codons/1000)
cytosol mitochondria
AUA anticodons IAU, UAU 12.9 18.4
AUC anticodon IAU 18.5 18.6
AUU anticodon IAU 22.0 26.0

Codon usage statistics are from the Codon Usage Database at the Kazusa DNA Research Institute.

In the sequences below, several regions of interest have been marked, including the low stability regions (TATA-like sequences) in the 5'-flanks thought to be important for high transcriptional activity, the CAA triplets thought to indicate the region of transcription initiation and the poly(T) stretches thought to act as transcription terminators. Bases which vary between isoacceptors are highlighted, as are anticodons.


Anticodon AAU, probably modified to IAU

5' flanks
Ile(AAT)_1 Ile(AAT)_2
TCACAAGTTTGAAAATAGTATTATTAGAAGAAAACAAGTCATTGCAAAAT
Ile(AAT)_10
AAAATGATAATTTAAAGATTAGTAAATATGATTTTAGTTTTGTAGCAAAT
Ile(AAT)_11 Ile(AAT)_8
CTTCATTTCGCTTTTGAAGTTTAACTGACTTGTGAAGAATTTGAACAAAT
Ile(AAT)_12 Ile(AAT)_18
TCTACGAAATTCCGAGAGAAATATCTAAGTGCACCACTTAGAAACGTAGT
Ile(AAT)_13 Ile(AAT)_17
ATCTAGGCAATTCCGCGAGAAATATTTAATGTACCGTTTATAACCGCAGT
Ile(AAT)_14
ATGTCTATATTACATCTATTAATATCTAAAACGAGAATTACAATCAGATT
Ile(AAT)_15
AAATTCATAGGTTTTGAATATATTCATACAATGGAAACAATATAACAAGT
Ile(AAT)_16
AATCACTTGTGTAGTTGTTATATAGTAGTTAGCTGTAGATAAAGCAAGAT
Ile(AAT)_19
GTAGAGTACAACTAAATAACTAAATAAAGTATTAATCATTTAACAAATAT
Ile(AAT)_21
CAAGCTTTGTCTGTTAAATAAATCTTAGTTGTATCATTGGTTTCATCAAA
Ile(AAT)_3
TATGACGATTTAGATTCGAATAAGTAAAATAGACACTACCATTCGCAAAT
Ile(AAT)_4
TATTCGTAAACTAGAAATGAACAAATCTTTAGAAAACGATCTTCCAAAAT
Ile(AAT)_5
TCATGTGCCTCCAAGTTCTTTATGCCGATACCTAATACGAATAACACGAA
Ile(AAT)_6
CTCCACAAAATTATAAATCTTAAACGTGTAATACATAATGTCAACAAAAT
Ile(AAT)_7
AAAGAAAATTAATTGAAAATTAAATTTTACATTTAAGTGTTAGCATCCAA
Ile(AAT)_9
ATTTTGTATAATTAAAATTAGGTAGCTTGATTCAACTTAGTAATAAAATA
             A
           G-C
           G-C
           C-G
           C-G
           C-G
           A-T
           T-A     AA
  TGA     T   CGTCC  A
 T   CTCGA    |||||  G
 G   ||||     GCAGG  C
 G   GAGC     C    TT
  TTA    G   A T
          T-A GG
          C-G  
          G-C   
          T*G    
          G-C     
         C   A     
         T   A      
          AAT        

3' flanks
Ile(AAT)_1 Ile(AAT)_2
TTTACTTTCTACTTTTTTTGAATAT
Ile(AAT)_10
TTTGGTTTTAAATCTTTTTTGTGAC
Ile(AAT)_11 Ile(AAT)_8
TTTTAGCTAACCCTTTTTATTTGGC
Ile(AAT)_12 Ile(AAT)_18
CATTTTTTGGCTTTCATTTTGATCA
Ile(AAT)_13 Ile(AAT)_17
CTTTTTTGGCTTTCATTTTGATCAA
Ile(AAT)_14
TTTTTATATTTTTTCTTTATTGGGC
Ile(AAT)_15
TTTCTTTTTTTCTTTTTTTGGTCCT
Ile(AAT)_16
TTTCGTTTTTTCTTGTTGCCCCTTT
Ile(AAT)_19
CTTTTTTATTTTTGGTAATCCACAA
Ile(AAT)_21
TTTTTGTTTTTGTCAGCATCGTTCC
Ile(AAT)_3
TGTTTTAACACCTCTACTTTTGATA
Ile(AAT)_4
TTTTTCATAATATCTTTTTTTTTCT
Ile(AAT)_5
TATGTCTTCTTACCTTTTTTTTTTA
Ile(AAT)_6
ATATGTCTTTTATTTATTGATTTTA
Ile(AAT)_7
CCTTTAATGTTTTTACAACATAACA
Ile(AAT)_9
TCAATTTTTTAACTCTGTCCTTTGT

Observations:

none

Variants:

Ile(AAT)_12 Ile(AAT)_13 Ile(AAT)_14 Ile(AAT)_15 Ile(AAT)_16 Ile(AAT)_17 Ile(AAT)_18 Ile(AAT)_19 Ile(AAT)_21
C5->T  G49->A  A59->T  A60->C  C65->T  G68->A


Anticodon UAU

5' flanks
Ile(TAT)_1
AGCCGATGAATAATTGATTCATTATGTACTAACGTAGAATGTTATCGTCA
Ile(TAT)_2
GATTAATAAAAAAAAGGAGAAATAAAAGTATGGAACATAATATTCAAACA
Ile(TAT)_3
AAATATAATATTAAACTTTAAATATAATATTGAACTTAAAGAGAACAAAA
             A
           G-C
           G-C
           T-A
           C-G
           C-G
           C-G
           G-C     CG
  TGA     T   CGCCC  A
 T   CTCGA    |||||  G
 G   ||||     GCGGG  C
 G   GAGC     C    TT
  TTA    G   A T
          T-A GG
          T*G  
          G-C   
          G-C    
          T*G     
         C   A     
         T   G      
          TAT        

3' flanks
Ile(TAT)_1
AAACTTGAGTCTTTATTATTTTCGA
Ile(TAT)_2
ATGGTTGAAAATTTATTTGTTTTAC
Ile(TAT)_3
TTTGTCCTTAATTCATTTAAATTTT

Observations:

none


tRNA & aminoacyl-tRNA synthetase table | taaRSAt home page

Last updated December 12, 1999; Ian Small