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. 2015 Jan 23;16(1):27. doi: 10.1186/s12864-014-1205-6

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© Meyer et al.; licensee Biomed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Amino acids of the ketoacyl synthase (KS) active site motif conserved throughout different evolutionary sub-groups. The analysis focuses on the protistan Type I PKS in chlorophytes, haptophytes, Apicomplexa and dinoflagellates. The height of the sequence logo given below the alignment represents the degree of conservation. The asterisks indicate the conserved amino acids required for catalytic activity, which are present in all A. spinosum sequences (AS3D901-06) except the probably incomplete AS3D905 sequence.