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- PDB-2fsw: Crystal Structure of the Putative Transcriptional Regualator, Mar... -

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Basic information

Entry
Database: PDB / ID: 2fsw
TitleCrystal Structure of the Putative Transcriptional Regualator, MarR family from Porphyromonas gingivalis W83
ComponentsPG_0823 protein
KeywordsTRANSCRIPTION / alpha-beta structure / helix-turn-helix / winged-helix-turn-heix / Structural Genomics / PSI / Protein Structure Initiative / Midwest Center for Structural Genomics / MCSG
Function / homology
Function and homology information


Helix-turn-helix, HxlR type / HxlR-like helix-turn-helix / HxlR-type HTH domain profile. / Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain / Arc Repressor Mutant, subunit A / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
HTH hxlR-type domain-containing protein
Similarity search - Component
Biological speciesPorphyromonas gingivalis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.16 Å
AuthorsKim, Y. / Quartey, P. / Buelt, J. / Moy, S. / Joachimiak, A. / Midwest Center for Structural Genomics (MCSG)
CitationJournal: To be Published
Title: Transcriptional Regualator, MarR family from Porphyromonas gingivalis W83
Authors: Kim, Y. / Quartey, P. / Buelt, J. / Moy, S. / Joachimiak, A.
History
DepositionJan 23, 2006Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 7, 2006Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Advisory / Source and taxonomy / Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PG_0823 protein
B: PG_0823 protein


Theoretical massNumber of molelcules
Total (without water)25,1412
Polymers25,1412
Non-polymers00
Water2,972165
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3770 Å2
ΔGint-29 kcal/mol
Surface area11170 Å2
MethodPISA
Unit cell
Length a, b, c (Å)35.971, 82.241, 116.601
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein PG_0823 protein


Mass: 12570.358 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Porphyromonas gingivalis (bacteria) / Strain: W83 / Gene: PG_0823 / Plasmid: pMCSG7 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21DE3 / References: UniProt: Q7M7B7
#2: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 165 / 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: 3.43 Å3/Da / Density % sol: 64.12 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: 0.1M HEPES pH 7.5, 1.4M sodium citrate, VAPOR DIFFUSION, SITTING DROP, temperature 295K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 0.97948 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jul 20, 2005 / Details: mirrors
RadiationMonochromator: double crystal monochromator, Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97948 Å / Relative weight: 1
ReflectionResolution: 2.15→38.78 Å / Num. all: 18680 / Num. obs: 18091 / % possible obs: 92.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 10.9 % / Rmerge(I) obs: 0.071 / Net I/σ(I): 13.7
Reflection shellResolution: 2.15→2.23 Å / Redundancy: 8.8 % / Rmerge(I) obs: 0.254 / Mean I/σ(I) obs: 4.76 / Num. unique all: 1334 / % possible all: 69.3

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Processing

Software
NameVersionClassification
REFMAC5.2.0000refinement
SBC-Collectdata collection
HKL-2000data reduction
HKL-2000data scaling
SHARPphasing
RefinementMethod to determine structure: SAD / Resolution: 2.16→38.78 Å / Cor.coef. Fo:Fc: 0.955 / Cor.coef. Fo:Fc free: 0.941 / SU B: 9.256 / SU ML: 0.13 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.227 / ESU R Free: 0.2 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.25004 1851 10.3 %RANDOM
Rwork0.20317 ---
all0.2078 16189 --
obs0.2078 16189 92.84 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 59.765 Å2
Baniso -1Baniso -2Baniso -3
1-0.14 Å20 Å20 Å2
2--0.89 Å20 Å2
3----1.03 Å2
Refinement stepCycle: LAST / Resolution: 2.16→38.78 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1669 0 0 165 1834
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0221852
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.2892.0162494
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.0075231
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.25523.15876
X-RAY DIFFRACTIONr_dihedral_angle_3_deg19.87715403
X-RAY DIFFRACTIONr_dihedral_angle_4_deg13.6751518
X-RAY DIFFRACTIONr_chiral_restr0.090.2268
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.021362
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2050.2945
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1950.2149
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2210.240
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2280.29
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.6961.51169
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.01521827
X-RAY DIFFRACTIONr_scbond_it1.5293788
X-RAY DIFFRACTIONr_scangle_it2.4284.5667
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.16→2.211 Å / Total num. of bins used: 20
RfactorNum. reflection
Rfree0.3 116
Rwork0.256 822
obs-822
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
14.189-0.830.61560.80741.72776.68060.1141-0.3878-0.45130.22970.0722-0.0531.10430.1809-0.1863-0.00530.0227-0.0223-0.10020.0552-0.02818.149450.3266118.6369
23.0947-0.3861.06991.65733.00187.46180.38330.5785-0.2924-0.0461-0.50080.00230.6738-0.23980.1175-0.04740.06050.0035-0.0437-0.1018-0.12811.531947.815398.2635
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
1X-RAY DIFFRACTION1AA3 - 1046 - 107
2X-RAY DIFFRACTION2BB2 - 1045 - 107

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