Xenopus laevis 135 genes found in GenBank 63. Produced by J. Michael Cherry (cherry@frodo.mgh.harvard.edu) with the GCG program CodonFrequency. Duplicates, pseudogenes, mutant and synthetic genes were not included. Coding regions were specified using the Feature Table of each entry, then checked for accuracy. If more than one stop codon was found the sequence was not included. AmAcid Codon Number /1000 Fraction .. Gly GGG 550.00 12.38 0.18 Gly GGA 1072.00 24.13 0.36 Gly GGT 700.00 15.76 0.23 Gly GGC 697.00 15.69 0.23 Glu GAG 1576.00 35.48 0.46 Glu GAA 1815.00 40.86 0.54 Asp GAT 1341.00 30.19 0.57 Asp GAC 1001.00 22.53 0.43 Val GTG 866.00 19.49 0.34 Val GTA 442.00 9.95 0.18 Val GTT 708.00 15.94 0.28 Val GTC 508.00 11.44 0.20 Ala GCG 151.00 3.40 0.05 Ala GCA 911.00 20.51 0.32 Ala GCT 1021.00 22.98 0.35 Ala GCC 796.00 17.92 0.28 Arg AGG 558.00 12.56 0.22 Arg AGA 689.00 15.51 0.28 Ser AGT 561.00 12.63 0.16 Ser AGC 784.00 17.65 0.23 Lys AAG 1615.00 36.36 0.51 Lys AAA 1555.00 35.01 0.49 Asn AAT 952.00 21.43 0.51 Asn AAC 905.00 20.37 0.49 Met ATG 1112.00 25.03 1.00 Ile ATA 456.00 10.27 0.21 Ile ATT 894.00 20.13 0.41 Ile ATC 821.00 18.48 0.38 Thr ACG 157.00 3.53 0.06 Thr ACA 890.00 20.04 0.34 Thr ACT 820.00 18.46 0.32 Thr ACC 723.00 16.28 0.28 Trp TGG 476.00 10.72 1.00 End TGA 85.00 1.91 0.47 Cys TGT 478.00 10.76 0.48 Cys TGC 508.00 11.44 0.52 End TAG 30.00 0.68 0.17 End TAA 66.00 1.49 0.36 Tyr TAT 737.00 16.59 0.52 Tyr TAC 688.00 15.49 0.48 Leu TTG 583.00 13.12 0.16 Leu TTA 348.00 7.83 0.09 Phe TTT 807.00 18.17 0.53 Phe TTC 718.00 16.16 0.47 Ser TCG 141.00 3.17 0.04 Ser TCA 579.00 13.03 0.17 Ser TCT 773.00 17.40 0.22 Ser TCC 610.00 13.73 0.18 Arg CGG 225.00 5.07 0.09 Arg CGA 260.00 5.85 0.10 Arg CGT 391.00 8.80 0.16 Arg CGC 376.00 8.46 0.15 Gln CAG 1172.00 26.38 0.64 Gln CAA 670.00 15.08 0.36 His CAT 572.00 12.88 0.49 His CAC 596.00 13.42 0.51 Leu CTG 1198.00 26.97 0.32 Leu CTA 331.00 7.45 0.09 Leu CTT 702.00 15.80 0.19 Leu CTC 533.00 12.00 0.14 Pro CCG 149.00 3.35 0.07 Pro CCA 767.00 17.27 0.36 Pro CCT 701.00 15.78 0.33 Pro CCC 505.00 11.37 0.24