| Regulated Operon: | nadBCA | 
| Genes | Synonyms | Direction | Genome position | Function | COG ID | Genus clusters | 
|---|---|---|---|---|---|---|
| nadB | - | 2847096..2848691 | L-aspartate oxidase | COG0029 | ||
| nadC | yrxB | - | 2846273..2847142 | nicotinate-nucleotide pyrophosphorylase | COG0157 | |
| nadA | - | 2845180..2846286 | quinolinate synthetase | COG0379 | nadA-BAC | 
| Operon evidence: | insertional plasmid | 
|---|---|
| Reference: | Sun D & Setlow P (1993), Rossolillo P, et al. (2005) | 
| Comments: | Experimental evidence showed that nadB and nadC are in the same operon; no experimental evidence for nadA | 
| Binding factor | Regulation | Location | Absolute position | Binding seq.(cis-element) | Experimental evidence | 
|---|---|---|---|---|---|
| SigA | Promoter | -47:+16 | 2848707..2848769 | ATAAAAAACTCTTGAGTTTATTTTATCCTTGTGTAAATATAGGTGTCAAGACAGGTGTAAACA | Sun D & Setlow P (1993): PE | 
| YrxA | Negative | -74:+34 | 2848689..2848796 | CATCCGGTCTTCCTCCATCCGTTCTCCATAAAAAACTCTTGAGTTTATTTTATCCTTGTGTAAATATAGGTGTCAAGACAGGTGTAAACAACAGGAGGATGGCATATG | Sun D & Setlow P (1993): HM Rossolillo P, et al. (2005): GS RT-PCR | 
| Terminator sequence | Absolute position | Position from stop codon | Free energy [kcal/mol] | Downstream of | 
|---|---|---|---|---|
| TGAATCGAATGCTTTCGATCACGTAGATCAGAAATATTTTCCCTTCCTTTA >>>>>>>> <<<<<<<<< | nadA | 


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