COG database search and functional classification

Among 46147 Diaphorina citri psyllid proteins, 9847 can be assigned to at least one COG cluster with HHsearch probability greater than 90%.

In the COG database, COG clusters are also grouped into general functional categories. The table and pie chart below show the distribution of the number of the mapped COG clusters over the general COG functional categories. Clicking on the number of COG clusters navigates to the webpage that shows the list of COG clusters associated with corresponding COG general functional category.

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COG general functional category
COG Annotation Count
to see
COG cluster

General function prediction only 513
Function unknown 371
Translation, ribosomal structure and biogenesis 229
Amino acid transport and metabolism 204
Energy production and conversion 187
Transcription 184
Replication, recombination and repair 170
Posttranslational modification, protein turnover, chaperones 156
Carbohydrate transport and metabolism 154
Coenzyme transport and metabolism 134
Inorganic ion transport and metabolism 126
Cell envelope biogenesis, outer membrane 104
Signal transduction mechanisms 103
Nucleotide transport and metabolism 89
Lipid metabolism 82
Intracellular trafficking, secretion and vesicular transport 75
Secondary metabolites biosynthesis, transport, and catabolism 59
Cell cycle control, cell division and chromosome partitioning 51
Defense mechanisms 26
Cell motility and secretion 24
RNA processing and modification 23
Chromatin structure and dynamics 18
Cytoskeleton 12