Figure 4
![Figure 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2229-7-1/MediaObjects/12870_2006_Article_142_Fig4_HTML.jpg)
(A) The total fatty acid content (nmol/ml) in the medium from E. coli clones containing the variants listed as determined by GCMS of FAMEs. (B) Quantity of each fatty acid present in each of the variants. Error bars represent the standard error for five independent clones of each variant.