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| gyrA | DNA GYRASE SUBUNIT A; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. (828 aa) | ||||
| NAPH | NAPH. (298 aa) | ||||
| NRFH | SMALL SUBUNIT OF CYTOCHROME C NITRITE REDUCTASE; Subunit of the nitrite reductase complex that mediates electron transfer from quinol to the catalytic subunit. (177 aa) | ||||
| NAPB | PERIPLASMIC NITRATE REDUCTASE SMALL SUBUNIT CYTOCHROME C-TYPEPROTEIN; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Transfers electrons to NapA subunit, thus allowing electron flow between membrane and periplasm. Essential for periplasmic nitrate reduction with nitrate as the terminal electron acceptor. (94 aa) | ||||
| NAPH-2 | PUTATIVE FERREDOXIN. (280 aa) | ||||