BMC Genomics 2006, 7:116 http://www.biomedcentral.com/1471-2164/7/116 FKiegyuwroerd9 distribution Keyword distribution. A distribution of keywords gathered by Ano-Xcel [5] from the ENSEMBL, NCBI non-redundant, PFAM, GO, and SMART databases for genes in the prophenoloxidase case study gene set. The number of occurrences corre- sponds to the number of genes in the gene set that contain the keyword. Page 9 of 11 (page number not for citation purposes)