#ID(s) interactor A	ID(s) interactor B	Alt. ID(s) interactor A	Alt. ID(s) interactor B	Alias(es) interactor A	Alias(es) interactor B	Interaction detection method(s)	Publication 1st author(s)	Publication Identifier(s)	Taxid interactor A	Taxid interactor B	Interaction type(s)	Source database(s)	Interaction identifier(s)	Confidence value(s)	Expansion method(s)	Biological role(s) interactor A	Biological role(s) interactor B	Experimental role(s) interactor A	Experimental role(s) interactor B	Type(s) interactor A	Type(s) interactor B	Xref(s) interactor A	Xref(s) interactor B	Interaction Xref(s)	Annotation(s) interactor A	Annotation(s) interactor B	Interaction annotation(s)	Host organism(s)	Interaction parameter(s)	Creation date	Update date	Checksum(s) interactor A	Checksum(s) interactor B	Interaction Checksum(s)	Negative	Feature(s) interactor A	Feature(s) interactor B	Stoichiometry(s) interactor A	Stoichiometry(s) interactor B	Identification method participant A	Identification method participant B
uniprotkb:P39458	uniprotkb:P00221	intact:EBI-932578|uniprotkb:Q31NV4|ensemblbacteria:ABB57265	intact:EBI-864933	psi-mi:narb_syne7(display_long)|uniprotkb:narB(gene name)|psi-mi:narB(display_short)|uniprotkb:Synpcc7942_1235(locus name)	psi-mi:fer1_spiol(display_long)|uniprotkb:Ferredoxin I(gene name synonym)|uniprotkb:PETF(gene name)|psi-mi:PETF(display_short)	psi-mi:"MI:0415"(enzymatic study)	Hirasawa et al. (2004)	pubmed:14871493|imex:IM-19432	taxid:1140(syne7)|taxid:1140("Synechococcus elongatus (strain PCC 7942)")	taxid:3562(spiol)|taxid:3562("Spinacia oleracea (Spinach)")	psi-mi:"MI:0407"(direct interaction)	psi-mi:"MI:0469"(IntAct)	intact:EBI-932657|imex:IM-19432-2	-	-	psi-mi:"MI:0580"(electron acceptor)	psi-mi:"MI:0579"(electron donor)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	interpro:IPR009010(Aspartate decarboxylase-like fold)|interpro:IPR006657(Molydopterin dinucleotide-binding region)|interpro:IPR006656(Molybdopterin oxidoreductase)|interpro:IPR006963(Molybdopterin oxidoreductase Fe4S4 region)|interpro:IPR006655(Molybdopterin oxidoreductase, prokaryotic, conserved site)|interpro:IPR027467|refseq:WP_011377931.1|interpro:IPR041957|ensemblbacteria:ABB57265(transcript)|ensemblbacteria:Synpcc7942_1235(gene)|go:"GO:0016491"(oxidoreductase activity)|go:"GO:0019333"(denitrification pathway)|go:"GO:0042128"(nitrate assimilation)|go:"GO:0043546"(molybdopterin cofactor binding)|go:"GO:0046872"(metal ion binding)|go:"GO:0051539"(4 iron, 4 sulfur cluster binding)	interpro:IPR006058(2Fe-2S ferredoxin, iron-sulphur binding site)|interpro:IPR012675(Beta-grasp fold, ferredoxin-type)|interpro:IPR010241(Ferredoxin [2Fe-2S], plant)|interpro:IPR001041(Ferredoxin)|rcsb pdb:1A70|interpro:IPR036010|go:"GO:0009055"(electron transfer activity)|go:"GO:0009507"(chloroplast)|go:"GO:0046872"(metal ion binding)|go:"GO:0051537"(2 iron, 2 sulfur cluster binding)	go:"GO:0047889"(ferredoxin-nitrate reductase activity)	-	-	caution:"Authors mention spinach ferredoxin without specifying if they refer to the ferredoxin1(P00221) or the ferredoxin 2(P00224)."|inhibition:"The activity of NarB is strongly inhibited by an increase in ionic strength (independently of the ion used) in the assay mixture. Treatment of NarB with arginine-modifying reagent or with lysine-modifying reagent (both reduce the positive charges of its accessible residues) also strongly affect its nitrate reductase activity by preventing its aggregation with the negatively charged ferredoxin."|kinetics:Km estimated to be 50 10e-6 M|sample process:P39458 purified|sample process:P00221 purified|dataset:Cyanobacteria - Interaction dataset based on Cyanobacteria proteins and related species|full coverage:Only protein-protein interactions|curation depth:imex curation	taxid:-1(in vitro)|taxid:-1(In vitro)	-	2006/05/02	2014/10/16	rogid:STXVWrRmCQ6gMlJayiERF6pfI7k1140	rogid:5tN7aaunrmdgDmZFGFRRIJxtmCU3562	intact-crc:36A9CB4C1EFB6E2B|rigid:KYbsSmrPxzRsLpYP493dQfbnXs0	false	his tag:?-?	-	-	-	psi-mi:"MI:0396"(predetermined participant)	psi-mi:"MI:0396"(predetermined participant)
uniprotkb:P39458	uniprotkb:P0A3C8	intact:EBI-932578|uniprotkb:Q31NV4|ensemblbacteria:ABB57265	intact:EBI-637080|uniprotkb:P06543	psi-mi:narb_syne7(display_long)|uniprotkb:narB(gene name)|psi-mi:narB(display_short)|uniprotkb:Synpcc7942_1235(locus name)	psi-mi:fer1_nosso(display_long)|uniprotkb:Ferredoxin I(gene name synonym)|uniprotkb:petF(gene name)|psi-mi:petF(display_short)|uniprotkb:fdxV(gene name synonym)	psi-mi:"MI:0415"(enzymatic study)	Hirasawa et al. (2004)	pubmed:14871493|imex:IM-19432	taxid:1140(syne7)|taxid:1140("Synechococcus elongatus (strain PCC 7942)")	taxid:1168(anaso)|taxid:1168("Anabaena sp. (strain PCC 7119)")	psi-mi:"MI:0407"(direct interaction)	psi-mi:"MI:0469"(IntAct)	intact:EBI-932685|imex:IM-19432-3	-	-	psi-mi:"MI:0580"(electron acceptor)	psi-mi:"MI:0579"(electron donor)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	interpro:IPR009010(Aspartate decarboxylase-like fold)|interpro:IPR006657(Molydopterin dinucleotide-binding region)|interpro:IPR006656(Molybdopterin oxidoreductase)|interpro:IPR006963(Molybdopterin oxidoreductase Fe4S4 region)|interpro:IPR006655(Molybdopterin oxidoreductase, prokaryotic, conserved site)|interpro:IPR027467|refseq:WP_011377931.1|interpro:IPR041957|ensemblbacteria:ABB57265(transcript)|ensemblbacteria:Synpcc7942_1235(gene)|go:"GO:0016491"(oxidoreductase activity)|go:"GO:0019333"(denitrification pathway)|go:"GO:0042128"(nitrate assimilation)|go:"GO:0043546"(molybdopterin cofactor binding)|go:"GO:0046872"(metal ion binding)|go:"GO:0051539"(4 iron, 4 sulfur cluster binding)	interpro:IPR006058(2Fe-2S ferredoxin, iron-sulphur binding site)|interpro:IPR012675(Beta-grasp fold, ferredoxin-type)|interpro:IPR010241(Ferredoxin [2Fe-2S], plant)|interpro:IPR001041(Ferredoxin)|rcsb pdb:1CZP|rcsb pdb:1EWY|rcsb pdb:1QT9|go:"GO:0009055"(electron transfer activity)|go:"GO:0046872"(metal ion binding)|go:"GO:0051537"(2 iron, 2 sulfur cluster binding)|interpro:IPR036010	-	-	-	sample process:P39458 purified|sample process:P0A3C8 purified|dataset:Cyanobacteria - Interaction dataset based on Cyanobacteria proteins and related species|full coverage:Only protein-protein interactions|curation depth:imex curation	taxid:-1(in vitro)|taxid:-1(In vitro)	-	2006/05/02	2014/10/16	rogid:STXVWrRmCQ6gMlJayiERF6pfI7k1140	rogid:LwBxnJ0Ura7nBznNrDfr5Zr2Tzg1168	intact-crc:9E4F31E8B6A26B17|rigid:w5YdwunD/pt1ySQ3PQPPvg+APds	false	his tag:?-?	mutation decreasing interaction:96-96|mutation decreasing interaction:95-95|mutation decreasing interaction:95-96	-	-	psi-mi:"MI:0396"(predetermined participant)	psi-mi:"MI:0396"(predetermined participant)
uniprotkb:P00221	uniprotkb:P39458	intact:EBI-864933	intact:EBI-932578|uniprotkb:Q31NV4|ensemblbacteria:ABB57265	psi-mi:fer1_spiol(display_long)|uniprotkb:Ferredoxin I(gene name synonym)|uniprotkb:PETF(gene name)|psi-mi:PETF(display_short)	psi-mi:narb_syne7(display_long)|uniprotkb:narB(gene name)|psi-mi:narB(display_short)|uniprotkb:Synpcc7942_1235(locus name)	psi-mi:"MI:0016"(circular dichroism)	Hirasawa et al. (2004)	pubmed:14871493|imex:IM-19432	taxid:3562(spiol)|taxid:3562("Spinacia oleracea (Spinach)")	taxid:1140(syne7)|taxid:1140("Synechococcus elongatus (strain PCC 7942)")	psi-mi:"MI:0407"(direct interaction)	psi-mi:"MI:0469"(IntAct)	intact:EBI-932597|imex:IM-19432-1	-	-	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0497"(neutral component)	psi-mi:"MI:0497"(neutral component)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	interpro:IPR006058(2Fe-2S ferredoxin, iron-sulphur binding site)|interpro:IPR012675(Beta-grasp fold, ferredoxin-type)|interpro:IPR010241(Ferredoxin [2Fe-2S], plant)|interpro:IPR001041(Ferredoxin)|rcsb pdb:1A70|interpro:IPR036010|go:"GO:0009055"(electron transfer activity)|go:"GO:0009507"(chloroplast)|go:"GO:0046872"(metal ion binding)|go:"GO:0051537"(2 iron, 2 sulfur cluster binding)	interpro:IPR009010(Aspartate decarboxylase-like fold)|interpro:IPR006657(Molydopterin dinucleotide-binding region)|interpro:IPR006656(Molybdopterin oxidoreductase)|interpro:IPR006963(Molybdopterin oxidoreductase Fe4S4 region)|interpro:IPR006655(Molybdopterin oxidoreductase, prokaryotic, conserved site)|interpro:IPR027467|refseq:WP_011377931.1|interpro:IPR041957|ensemblbacteria:ABB57265(transcript)|ensemblbacteria:Synpcc7942_1235(gene)|go:"GO:0016491"(oxidoreductase activity)|go:"GO:0019333"(denitrification pathway)|go:"GO:0042128"(nitrate assimilation)|go:"GO:0043546"(molybdopterin cofactor binding)|go:"GO:0046872"(metal ion binding)|go:"GO:0051539"(4 iron, 4 sulfur cluster binding)	-	-	-	caution:"Authors mention spinach ferredoxin without specifying if they refer to the ferredoxin1(P00221) or the ferredoxin 2(P00224)."|sample process:P39458 purified|sample process:P00221 purified|inhibition:Treatment of NarB with arginine-modifying reagent, reducing the positive charges of its accessible arginines, strongly affect its aggregation with the negatively charged ferredoxin.|dataset:Cyanobacteria - Interaction dataset based on Cyanobacteria proteins and related species|full coverage:Only protein-protein interactions|curation depth:imex curation	taxid:-1(in vitro)|taxid:-1(In vitro)	-	2006/05/02	2014/10/16	rogid:5tN7aaunrmdgDmZFGFRRIJxtmCU3562	rogid:STXVWrRmCQ6gMlJayiERF6pfI7k1140	intact-crc:1998F2E1E593C268|rigid:KYbsSmrPxzRsLpYP493dQfbnXs0	false	-	his tag:?-?	1	1	psi-mi:"MI:0396"(predetermined participant)	psi-mi:"MI:0396"(predetermined participant)