Table 3 Functional categories of the assigned genes
Category* | Number of genes |
|---|---|
Cellular processes | 234 |
Translation | 90 |
Transcription | 22 |
DNA replication, recombination, and repair | 39 |
Cell killing | 5 |
Cell envelope | 44 |
Others | 34 |
Metabolism | 151 |
Purines, pyrimidines, nucleosides, and nucleotides | 25 |
Fatty acid, phospholipid and sterol metabolism | 16 |
Central metabolism | 55 |
Biosynthesis of cofactors, prosthetic groups, and carriers | 55 |
Nitrogen metabolism and nitrogen fixation-related | 121 |
Amino acid biosynthesis | 44 |
Nitrogen metabolism | 33 |
Heterocyst differentiation and function | 44 |
Regulatory functions | 179 |
Transcriptional regulators | 28 |
Serine/threonine kinases | 18 |
Two-component hybrid sensor and regulators | 29 |
Two-component response regulators | 22 |
WD-proteins | 15 |
Two-component sensor histidine kinases | 32 |
Serine/threonine kinases with two-component sensor domains | 11 |
Phosphatases | 3 |
Others | 21 |
Photosynthesis and respiration | 57 |
Transport and binding proteins | 124 |
Iron-related genes | 30 |
Other categories | 213 |
Hydrogenases | 7 |
Hypothetical proteins | 1074 |