- PDB-3eyw: Crystal structure of the C-terminal domain of E. coli KefC in com... -
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Basic information
Entry
Database: PDB / ID: 3eyw
Title
Crystal structure of the C-terminal domain of E. coli KefC in complex with KefF
Components
C-terminal domain of Glutathione-regulated potassium-efflux system protein kefC fused to full length Glutathione-regulated potassium-efflux system ancillary protein kefF
Keywords
TRANSPORT PROTEIN / KTN / RCK / K+ channel / K+ transport / KefC / K+ efflux / channel regulation / Antiport / Inner membrane / Ion transport / Membrane / Potassium / Potassium transport / Transmembrane
Function / homology
Function and homology information
glutathione-regulated potassium exporter activity / response to methylglyoxal / NADPH dehydrogenase (quinone) activity / potassium:proton antiporter complex / NAD(P)H dehydrogenase (quinone) / intracellular pH elevation / NADH:ubiquinone reductase (non-electrogenic) activity / positive regulation of potassium ion transmembrane transport / NAD(P)H dehydrogenase (quinone) activity / regulation of pH ...glutathione-regulated potassium exporter activity / response to methylglyoxal / NADPH dehydrogenase (quinone) activity / potassium:proton antiporter complex / NAD(P)H dehydrogenase (quinone) / intracellular pH elevation / NADH:ubiquinone reductase (non-electrogenic) activity / positive regulation of potassium ion transmembrane transport / NAD(P)H dehydrogenase (quinone) activity / regulation of pH / antiporter activity / toxic substance binding / proton transmembrane transport / regulation of intracellular pH / potassium ion transport / response to hydrogen peroxide / response to toxic substance / FMN binding / electron transfer activity / nucleotide binding / enzyme binding / protein homodimerization activity / membrane / plasma membrane Similarity search - Function
Glutathione-regulated potassium-efflux system ancillary protein KefF / : / Glutathione-regulated potassium-efflux system protein KefC / K+/H+ exchanger / Potassium uptake protein TrkA / Sodium/solute symporter superfamily / Cation/H+ exchanger / Sodium/hydrogen exchanger family / Regulator of K+ conductance, N-terminal / TrkA-N domain ...Glutathione-regulated potassium-efflux system ancillary protein KefF / : / Glutathione-regulated potassium-efflux system protein KefC / K+/H+ exchanger / Potassium uptake protein TrkA / Sodium/solute symporter superfamily / Cation/H+ exchanger / Sodium/hydrogen exchanger family / Regulator of K+ conductance, N-terminal / TrkA-N domain / RCK N-terminal domain profile. / Flavodoxin-like fold / Flavodoxin-like fold / Flavodoxin domain / Flavoprotein-like superfamily / NAD(P)-binding Rossmann-like Domain / NAD(P)-binding domain superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta Similarity search - Domain/homology
FLAVIN MONONUCLEOTIDE / NICOTINAMIDE-ADENINE-DINUCLEOTIDE / Glutathione-regulated potassium-efflux system protein KefC / Glutathione-regulated potassium-efflux system ancillary protein KefF Similarity search - Component
A: C-terminal domain of Glutathione-regulated potassium-efflux system protein kefC fused to full length Glutathione-regulated potassium-efflux system ancillary protein kefF B: C-terminal domain of Glutathione-regulated potassium-efflux system protein kefC fused to full length Glutathione-regulated potassium-efflux system ancillary protein kefF hetero molecules
Resolution: 2.4→50 Å / Cor.coef. Fo:Fc: 0.937 / Cor.coef. Fo:Fc free: 0.909 / SU B: 6.412 / SU ML: 0.153 / Cross valid method: THROUGHOUT / ESU R: 0.292 / ESU R Free: 0.225 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.23861
2074
5 %
RANDOM
Rwork
0.19741
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obs
0.19951
39230
99.45 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
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