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Sigma-54 interaction domain
AAA family ATPase
This Pfam entry includes some of the AAA proteins not detected by the Pfam:PF00004 model. [1]. 7646486. A 200-amino acid ATPase module in search of a basic function. Confalonieri F, Duguet M;. Bioessays 1995;17:639-650. A large extension of the family. [2]. 9927482. AAA+: A class of chaperone-like ATPases associated with the assembly, operation, and disassembly of protein complexes. Neuwald AF, Aravind L, Spouge JL, Koonin EV;. Genome Res 1999;9:27-43. (from Pfam)
helix-turn-helix domain-containing protein
sigma 54-interacting transcriptional regulator
response regulator
This domain receives the signal from the sensor partner in bacterial two-component systems. It is usually found N-terminal to a DNA binding effector domain. [1]. 7699720. Response regulators of bacterial signal transduction systems: selective domain shuffling during evolution. Pao GM, Saier MH;. J Mol Evol 1995;40:136-154. (from Pfam)
nitrogen regulation protein NR(I)
This HMM represents NtrC, a DNA-binding response regulator that is phosphorylated by NtrB and interacts with sigma-54. NtrC usually controls the expression of glutamine synthase, GlnA, and may be called GlnL, GlnG, etc.
sigma-54-dependent Fis family transcriptional regulator
sigma-54-dependent Fis family transcriptional regulator containing a REC domain, similar to Escherichia coli transcriptional regulators AtoC and NR(I), which function in the regulation of genes involved in acetoacetate metabolism and nitrogen assimilation, respectively
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