node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
fhlA | hycA | b2731 | b2725 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Regulator of the transcriptional regulator FhlA; Regulatory protein for the formate hydrogenlyase system. Could act by directly interacting with FhlA or by preventing the binding of FhlA to the upstream activatory sequence. Also down-regulates expression of the hyf operon. | 0.883 |
fhlA | hycB | b2731 | b2724 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Hydrogenase 3, Fe-S subunit; Probable electron transfer protein for hydrogenase 3. | 0.883 |
fhlA | hycC | b2731 | b2723 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Membrane-spanning protein of hydrogenase 3 (part of FHL complex); Protein involved in fermentation; Belongs to the complex I subunit 4 family. | 0.756 |
fhlA | hycD | b2731 | b2722 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Membrane-spanning protein of hydrogenase 3 (part of FHL complex); Protein involved in fermentation; Belongs to the complex I subunit 1 family. | 0.762 |
fhlA | hycE | b2731 | b2721 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Large subunit of hydrogenase 3 (part of FHL complex); Protein involved in fermentation and anaerobic respiration; Belongs to the complex I 49 kDa subunit family. | 0.920 |
fhlA | hycF | b2731 | b2720 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Formate hydrogenlyase complex iron-sulfur protein; Probable electron transfer protein for hydrogenase 3. | 0.797 |
fhlA | hycG | b2731 | b2719 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Hydrogenase 3 and formate hydrogenase complex, HycG subunit; Hydrogenase activity; Protein involved in fermentation and anaerobic respiration. | 0.795 |
fhlA | hycH | b2731 | b2718 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Hydrogenase 3 maturation protein; Seems to be required for the conversion of a precursor form of the large subunit of hydrogenlyase (HycE) into a mature form. | 0.713 |
fhlA | hycI | b2731 | b2717 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Protease involved in processing C-terminal end of HycE; Protease involved in the C-terminal processing of HycE, the large subunit of hydrogenase 3; Belongs to the peptidase A31 family. | 0.862 |
fhlA | hydN | b2731 | b2713 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Formate dehydrogenase-H, [4Fe-4S] ferredoxin subunit; Electron transport from formate to hydrogen. | 0.644 |
fhlA | hypA | b2731 | b2726 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Protein involved in nickel insertion into hydrogenases 3; Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. Mediates transfer of nickel, but not zinc, from the low-affinity metal-binding site in the GTPase domain of HypB to HypA. HypA is involved in maturation of hydrogenase 3. It may partially substitute for the function of HybF and vice versa. May act as a scaffold for assembly of the nickel insertion proteins with the hydrogenase precursor protein after delivery of the iron center. Belongs to the HypA/HybF family. | 0.747 |
fhlA | hypB | b2731 | b2727 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | GTP hydrolase involved in nickel liganding into hydrogenases; Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. Exhibits a low intrinsic GTPase activity, which is essential for nickel insertion. In the presence of GDP, nickel, but not zinc, is transferred from the HypB GTPase domain (G-domain) to HypA. Belongs to the SIMIBI class G3E GTPase family. HypB/HupM subfamily. | 0.748 |
fhlA | hypC | b2731 | b2728 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Hydrogenase maturation protein; Involved in the maturation of [NiFe] hydrogenases. Involved in the biosynthesis of the Fe(CN)(2)CO cofactor. HypC delivers iron-bound CO(2) to HypD where reduction to CO probably occurs. In complex with HypD, accepts the cyanide ligand generated by HypF and HypE, and also coordinates the carbon monoxide ligand. Involved in the maturation of the hydrogenase 3. Also participates in the maturation of hydrogenase 1. | 0.745 |
fhlA | hypD | b2731 | b2729 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Hydrogenase maturation protein; Involved in the maturation of [NiFe] hydrogenases. Involved in the biosynthesis of the Fe(CN)(2)CO cofactor. HypD may act as a scaffold on which the Fe(CN)(2)CO cofactor is formed. In complex with HypC, accepts the cyanide ligand generated by HypF and HypE, and also coordinates the carbon monoxide ligand. Required for the formation of all three hydrogenase isoenzymes (Probable). | 0.778 |
fhlA | hypE | b2731 | b2730 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Carbamoyl dehydratase, hydrogenases 1,2,3 maturation protein; Involved in the maturation of [NiFe] hydrogenases. Along with HypF, it catalyzes the synthesis of the CN ligands of the active site iron of [NiFe]-hydrogenases. HypE catalyzes the ATP-dependent dehydration of the carboxamido group attached to its C-terminal cysteine to a cyano group. The cyano group is then transferred from HypE to the HypC-HypD complex or the HybG-HypD complex. | 0.856 |
fhlA | hypF | b2731 | b2712 | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | Carbamoyl phosphate phosphatase and [NiFe] hydrogenase maturation protein; Involved in the maturation of [NiFe] hydrogenases. Along with HypE, it catalyzes the synthesis of the CN ligands of the active site iron of [NiFe]-hydrogenases. HypF functions as a carbamoyl transferase using carbamoylphosphate as a substrate and transferring the carboxamido moiety in an ATP-dependent reaction to the thiolate of the C-terminal cysteine of HypE yielding a protein-S-carboxamide. In the absence of any other substrate, displays carbamoyl-phosphate phosphatase activity. | 0.651 |
hycA | fhlA | b2725 | b2731 | Regulator of the transcriptional regulator FhlA; Regulatory protein for the formate hydrogenlyase system. Could act by directly interacting with FhlA or by preventing the binding of FhlA to the upstream activatory sequence. Also down-regulates expression of the hyf operon. | Formate hydrogenlyase transcriptional activator; Required for induction of expression of the formate dehydrogenase H and hydrogenase-3 structural genes. Also activates expression of hyf operon (encodes the silent hydrogenase-4 gene cluster). | 0.883 |
hycA | hycB | b2725 | b2724 | Regulator of the transcriptional regulator FhlA; Regulatory protein for the formate hydrogenlyase system. Could act by directly interacting with FhlA or by preventing the binding of FhlA to the upstream activatory sequence. Also down-regulates expression of the hyf operon. | Hydrogenase 3, Fe-S subunit; Probable electron transfer protein for hydrogenase 3. | 0.986 |
hycA | hycC | b2725 | b2723 | Regulator of the transcriptional regulator FhlA; Regulatory protein for the formate hydrogenlyase system. Could act by directly interacting with FhlA or by preventing the binding of FhlA to the upstream activatory sequence. Also down-regulates expression of the hyf operon. | Membrane-spanning protein of hydrogenase 3 (part of FHL complex); Protein involved in fermentation; Belongs to the complex I subunit 4 family. | 0.929 |
hycA | hycD | b2725 | b2722 | Regulator of the transcriptional regulator FhlA; Regulatory protein for the formate hydrogenlyase system. Could act by directly interacting with FhlA or by preventing the binding of FhlA to the upstream activatory sequence. Also down-regulates expression of the hyf operon. | Membrane-spanning protein of hydrogenase 3 (part of FHL complex); Protein involved in fermentation; Belongs to the complex I subunit 1 family. | 0.960 |