tRNA & aminoacyl-tRNA synthetase table | taaRSAt home page


tRNALys (cytosolic)

Codons and anticodons
codons read by: codon usage
AAA anticodon UUU 31.0
AAG anticodon CUU 32.6

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 CUU

5' flanks
Lys(CTT)_1 Lys(CTT)_11
TACCTACAGTTATAGACTATCTAACAATTAACAGTTAAGCTAAGCACAAA
Lys(CTT)_10
TGTAAAATATATGTGGAGAATATCTAGTAGATTGAAAGTTAAATCAAAAA
Lys(CTT)_12 Lys(CTT)_4
TAGGTTAACGGTAATATTATATACTGGTTGTCTAACTTACAAATCACCAA
Lys(CTT)_13 Lys(CTT)_15
TGGGGATAGTTTACATTATTTATATAGTTCTGCTGGAAAATTAACAACAA
Lys(CTT)_14
GGAATGTCTGTTGAATTTAGGTATTTACAAGTATAAATTCAAACATCTAA
Lys(CTT)_16
TGTAAAATATATGTGGAGAACATCATGTAGATTGAAAGTTAAATCAAAAA
Lys(CTT)_2
GATGTGTTTTTTTTATATGAGTATAACAATAGTGTGAATATAGTCAACAA
Lys(CTT)_3
AGAAATAATATTTACTGTTATATAGTTTTTCTGGTATCATTAGTCACAAA
Lys(CTT)_5 Lys(CTT)_6
TTTGCCGTATACAAAGATTATTACCATTATTATCGACATCACAGAATGTA
Lys(CTT)_7
AGTATTAAGTTAAGTTAAGTATAACTTAAGTATCTAACGTTAACAACAAG
Lys(CTT)_9
ACATCTGTTAATTGGGATCAAACTGTTAAGTAACTTAGTTGGGCAACAAA
             G
           G-C
           C-G
           C-G
           C-G
           G*T
           T*G
           C-G     CG
  TGA     T   CACCC  A
 T   CTCGA    |||||  G
 G   ||||     GTGGG  C
  G  GAGC     C    TT
   TA    G   T T
          C-G GG
          A-T  
          A-T   
          G-C    
          G-C     
         C   A     
         T   A      
          CTT        

3' flanks
Lys(CTT)_1 Lys(CTT)_11
ATAATTTCACTTTTCATTTTTGTTC
Lys(CTT)_10 Lys(CTT)_16
TTATTCTTTTCATTTTTCTAAAACC
Lys(CTT)_12 Lys(CTT)_4
ATTTCTTTTTGGTCTCCCTTTTTTA
Lys(CTT)_13 Lys(CTT)_15
TGAAATTACATTTTATTTTTGTACC
Lys(CTT)_14
CATTAATTTTTGGCAGTTCTCTTAT
Lys(CTT)_2
ATGCAACTTTTTGAAAGCATGCTGT
Lys(CTT)_3
CTTTGTTTTTGTTTTTTTAATCCAA
Lys(CTT)_5
ATAGTGTTTTTTCTGTTGTTTTTGT
Lys(CTT)_6
ATAGTGTTTTTGGGTTCGAACACCA
Lys(CTT)_7
TTTCTTTTCCTTTTTGTTGCATTTG
Lys(CTT)_9
ACGTTGTTTTTTTTATCATATGTTT

Observations:

none

Variants:

Lys(CTT)_13 Lys(CTT)_15
G43->C
Lys(CTT)_14
G59->A
Lys(CTT)_16
C48->G  G49->C

Putative pseudogenes:

Lys(CTT)_17 Lys(CTT)_8

Anticodon UUU

5' flanks
Lys(TTT)_1
ATCTGCAAAAACATACAATAATTAACATAATTTAAATTTTTTGTCATATA
Lys(TTT)_10
GCGGATTAAAATTAAGTTTAATAATTAATTACGAAATGTTGTATCAGCTC
Lys(TTT)_11
TATGAATAATATATGTCAATTAAATAATCAAGTGCTCAGTAATCAACAAA
Lys(TTT)_12
GGGTATATTATTTTGAGATAAAATTTTAAACTTTACATAATAAGCACCAA
Lys(TTT)_13
GATATCTATTAAGTAATATATTGAAGTTAGAAGAGAACATAAGCATCAAA
Lys(TTT)_2 Lys(TTT)_3 Lys(TTT)_4
ATAATGAGTTTATAGGATTGATTTTCGATAACTTTATGAAAGTAATCAAA
Lys(TTT)_5
TTATGAATATAACTTGAAACATTTATTAAAATAAGAATAGATAACATGAA
Lys(TTT)_6
AATACAATAAACCTTGTTAAATATAGTTTAACGAAAGTGATAAACAAATA
Lys(TTT)_7
TTATGGTGTAAAATAGTTTTATAATCAAATCCATTTCAACTATCAAAATT
Lys(TTT)_8
AAAAAGACAGGCGTATATAAAAGAGACTAATCAATCAATTAGTCATCGAA
Lys(TTT)_9
TATCTGATTAGGTTATGCTTTGAATGTTATTATGATTTAATTATTGTTCA
             G
           G-C
           C-G
           C-G
           G-C
           T-A
           C-G
           T-A     CT
   GA     T   CACCC  A
  T  CTCGA    |||||  G
  G  ||||     GTGGG  C
  G  GAGC     C    TT
   TA    G   T C
          C-G GG
          G-C  
          T-A   
          G-C    
          G-C     
         C   A     
         T   A      
          TTT        

3' flanks
Lys(TTT)_1
GTAGTATATTTTTTTTGTTAACTCC
Lys(TTT)_10
ATTTGTTTTATGTTTTTTGATAATT
Lys(TTT)_11
ATTCTATTGAGTACATTCAGTTTTG
Lys(TTT)_12
CATATATTTCCTAAATTTTTGTCGA
Lys(TTT)_13
ATTTATTTTTTATTTTTTTCCTTCT
Lys(TTT)_2 Lys(TTT)_3 Lys(TTT)_4
ATCATGGTAATTTGTCCAAACAAAT
Lys(TTT)_5
TTTAGAGCTTTTTTTTTATTTATTG
Lys(TTT)_6
TAGCTCTTTGATTTTGTTATAGTTA
Lys(TTT)_7
TCGCTTTGAGGTCATTTTTTTTTTA
Lys(TTT)_8
AAGTAGTTAATTTTATATTTGATGC
Lys(TTT)_9
TTTTGATTTGTTTTTAAAATATATA

Observations:

none

Variants:

Lys(TTT)_1
A38->C  T44->A
Lys(TTT)_12
G4->T  C47->T


References

Chen Z, et al.
Nonsense and missense translational suppression in plant cells mediated by tRNALys.
Plant Mol Biol. 1998 Jan;36(1):163-70.


tRNA & aminoacyl-tRNA synthetase table | taaRSAt home page

Last updated December 12, 1999; Ian Small