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- PDB-1akw: G61L OXIDIZED FLAVODOXIN MUTANT -

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Basic information

Entry
Database: PDB / ID: 1akw
TitleG61L OXIDIZED FLAVODOXIN MUTANT
ComponentsFLAVODOXIN
KeywordsELECTRON TRANSPORT / ELECTRON TRANSFER / FLAVOPROTEIN / FMN / FLAVODOXIN / MUTANT
Function / homology
Function and homology information


FMN binding / electron transfer activity
Similarity search - Function
Flavodoxin, short chain / Flavodoxin, conserved site / Flavodoxin signature. / Flavodoxin domain / Flavodoxin-like / Flavodoxin / Flavodoxin-like domain profile. / Flavodoxin/nitric oxide synthase / Flavoprotein-like superfamily / Rossmann fold ...Flavodoxin, short chain / Flavodoxin, conserved site / Flavodoxin signature. / Flavodoxin domain / Flavodoxin-like / Flavodoxin / Flavodoxin-like domain profile. / Flavodoxin/nitric oxide synthase / Flavoprotein-like superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
FLAVIN MONONUCLEOTIDE / Flavodoxin
Similarity search - Component
Biological speciesDesulfovibrio vulgaris subsp. vulgaris str. Hildenborough (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.75 Å
AuthorsMccarthy, A. / Walsh, M. / Higgins, T.
Citation
Journal: Biochemistry / Year: 1998
Title: Modulation of the redox potentials of FMN in Desulfovibrio vulgaris flavodoxin: thermodynamic properties and crystal structures of glycine-61 mutants.
Authors: O'Farrell, P.A. / Walsh, M.A. / McCarthy, A.A. / Higgins, T.M. / Voordouw, G. / Mayhew, S.G.
#1: Journal: To Be Published
Title: X-Ray Crystallographic Studies on the Flavin Binding Site of Flavodoxin from Desulfovibrio Vulgaris
Authors: Mccarthy, A.
#2: Journal: J.Mol.Biol. / Year: 1991
Title: Comparison of the Crystal Structures of a Flavodoxin in its Three Oxidation States at Cryogenic Temperatures
Authors: Watt, W. / Tulinsky, A. / Swenson, R.P. / Watenpaugh, K.D.
#3: Journal: J.Biol.Chem. / Year: 1988
Title: Cloning,Nucleotide Sequence,and Expression of the Flavodoxin Gene from Desulfovibrio Vulgaris (Hildenborough)
Authors: Krey, G.D. / Vanin, E.F. / Swenson, R.P.
#4: Journal: Fems Microbiol.Lett. / Year: 1988
Title: Cloning and Sequencing of the Gene Encoding Flavodoxin from Desulfovibrio Vulgaris Hildenborough
Authors: Curley, G.P. / Voordouw, G.
#5: Journal: Proc.Natl.Acad.Sci.USA / Year: 1972
Title: Structure of the Oxidized Form of a Flavodoxin at 2.5-Angstrom Resolution:Resolution of the Phase Ambiguity by Anomalous Scattering
Authors: Watenpaugh, K.D. / Sieker, L.C. / Jensen, L.H. / Legall, J. / Dubourdieu, M.
History
DepositionMay 27, 1997Processing site: BNL
Revision 1.0May 27, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 2.0Nov 3, 2021Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations
Category: atom_site / database_2 ...atom_site / database_2 / diffrn_source / struct_ref_seq_dif / struct_site
Item: _atom_site.occupancy / _database_2.pdbx_DOI ..._atom_site.occupancy / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _diffrn_source.pdbx_synchrotron_site / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 2.1Feb 7, 2024Group: Advisory / Data collection / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / pdbx_struct_special_symmetry / pdbx_validate_symm_contact

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: FLAVODOXIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)16,2172
Polymers15,7601
Non-polymers4561
Water1,78399
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)56.930, 88.610, 35.420
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
Components on special symmetry positions
IDModelComponents
11A-160-

HOH

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Components

#1: Protein FLAVODOXIN /


Mass: 15760.252 Da / Num. of mol.: 1 / Mutation: G61L
Source method: isolated from a genetically manipulated source
Details: OXIDIZED
Source: (gene. exp.) Desulfovibrio vulgaris subsp. vulgaris str. Hildenborough (bacteria)
Species: Desulfovibrio vulgaris / Strain: HILDENBOROUGH / Description: SULFUR REDUCING BACTERIA / Production host: Escherichia coli (E. coli) / Strain (production host): TG2 / References: UniProt: P00323
#2: Chemical ChemComp-FMN / FLAVIN MONONUCLEOTIDE / RIBOFLAVIN MONOPHOSPHATE / Flavin mononucleotide


Mass: 456.344 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C17H21N4O9P
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 99 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.7 Å3/Da / Density % sol: 53.4 %
Crystal growpH: 7 / Details: 60-70% AMMONIUM SULFATE, 100MM TRIS-HCL, pH 7.0
Crystal grow
*PLUS
Temperature: 18 ℃ / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
11-2 %(v/v)acetone1drop
210 mMTris-HCl1drop
31 mMEDTA1drop
460-70 %ammonium sulfate1drop

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: BW7B / Wavelength: 0.87
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Aug 1, 1995
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.87 Å / Relative weight: 1
ReflectionResolution: 1.75→40 Å / Num. obs: 18715 / % possible obs: 99.8 % / Biso Wilson estimate: 22 Å2 / Rmerge(I) obs: 0.46 / Net I/σ(I): 18
Reflection shellResolution: 1.72→1.75 Å / Redundancy: 2 % / Rmerge(I) obs: 0.34 / Mean I/σ(I) obs: 1.4 / % possible all: 99.7
Reflection
*PLUS
Num. measured all: 110226 / Rmerge(I) obs: 0.059
Reflection shell
*PLUS
% possible obs: 96.4 % / Rmerge(I) obs: 0.337

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Processing

Software
NameClassification
AMoREphasing
PROLSQrefinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.75→40 Å / Cross valid method: R-FREE
RfactorNum. reflection% reflectionSelection details
Rfree0.194 3500 5 %RANDOM
Rwork0.179 ---
all0.182 69391 --
obs0.182 69391 99.8 %-
Displacement parametersBiso mean: 25 Å2
Refine analyzeLuzzati coordinate error obs: 0.15 Å / Luzzati d res low obs: 40 Å / Luzzati sigma a obs: 0.18 Å
Refinement stepCycle: LAST / Resolution: 1.75→40 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1108 0 31 99 1238
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONp_bond_d0.010.02
X-RAY DIFFRACTIONp_angle_d0.0350.05
X-RAY DIFFRACTIONp_angle_deg
X-RAY DIFFRACTIONp_planar_d0.0360.04
X-RAY DIFFRACTIONp_hb_or_metal_coord
X-RAY DIFFRACTIONp_mcbond_it
X-RAY DIFFRACTIONp_mcangle_it
X-RAY DIFFRACTIONp_scbond_it
X-RAY DIFFRACTIONp_scangle_it
X-RAY DIFFRACTIONp_plane_restr
X-RAY DIFFRACTIONp_chiral_restr0.1320.15
X-RAY DIFFRACTIONp_singtor_nbd0.180.3
X-RAY DIFFRACTIONp_multtor_nbd0.260.3
X-RAY DIFFRACTIONp_xhyhbond_nbd
X-RAY DIFFRACTIONp_xyhbond_nbd
X-RAY DIFFRACTIONp_planar_tor1.873
X-RAY DIFFRACTIONp_staggered_tor17.415
X-RAY DIFFRACTIONp_orthonormal_tor
X-RAY DIFFRACTIONp_transverse_tor24.420
X-RAY DIFFRACTIONp_special_tor
Software
*PLUS
Name: PROLSQ / Classification: refinement
Refinement
*PLUS
Lowest resolution: 10 Å / Rfactor obs: 0.171
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 26.4 Å2

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