sequencename
fasta identifier overrides this textbox
originating organism
use textfield below for not listed organisms 
select box overrides textfield  
sequence
paste in raw or fasta format
color options
Threshold 1: Few used codons
highlight codons used less than % in 
Threshold 2: Very few used codons
highlight codons used less than % in 

display non highlighted codons in 

Codon usage table to apply 
if organism not listed, select "http_url" and paste
url in textbox below - select box overrides given http_url
http://www.kazusa.or.jp ...
new in version 2.0
read more...
 
relative adaptiveness read more...
frequency (like in gcua version 1.0)
outputformat
if option email is selected please enter address
    

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gcua version 2.0
October 8th 2006         please cite ...
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