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- PDB-1qqc: CRYSTAL STRUCTURE OF AN ARCHAEBACTERIAL DNA POLYMERASE D.TOK -

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Basic information

Entry
Database: PDB / ID: 1qqc
TitleCRYSTAL STRUCTURE OF AN ARCHAEBACTERIAL DNA POLYMERASE D.TOK
ComponentsDNA POLYMERASE II
KeywordsTRANSFERASE / DNA POLYMERASE / THERMOSTABLE / EXONUCLEASE / RBD DOMAIN
Function / homology
Function and homology information


exonuclease activity / DNA replication / DNA-directed DNA polymerase / DNA-directed DNA polymerase activity / nucleotide binding / DNA binding / metal ion binding
Similarity search - Function
DNA Polymerase; Chain A, domain 1 / DNA Polymerase, chain B, domain 1 / B family DNA polymerase, finger domain / Palm domain of DNA polymerase / B family DNA polymerase, palm domain / DNA polymerase family B, thumb domain / DNA polymerase family B signature. / DNA-directed DNA polymerase, family B, conserved site / DNA polymerase family B / DNA polymerase family B, exonuclease domain ...DNA Polymerase; Chain A, domain 1 / DNA Polymerase, chain B, domain 1 / B family DNA polymerase, finger domain / Palm domain of DNA polymerase / B family DNA polymerase, palm domain / DNA polymerase family B, thumb domain / DNA polymerase family B signature. / DNA-directed DNA polymerase, family B, conserved site / DNA polymerase family B / DNA polymerase family B, exonuclease domain / DNA-directed DNA polymerase, family B, exonuclease domain / DNA-directed DNA polymerase, family B, multifunctional domain / DNA polymerase, palm domain superfamily / DNA polymerase type-B family / DNA-directed DNA polymerase, family B / Ribonuclease H-like superfamily/Ribonuclease H / Helix Hairpins / Nucleotidyltransferase; domain 5 / Ribonuclease H superfamily / Ribonuclease H-like superfamily / DNA/RNA polymerase superfamily / Alpha-Beta Complex / 2-Layer Sandwich / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Biological speciesDesulfurococcus sp. Tok (archaea)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 2.6 Å
AuthorsZhao, Y. / Jeruzalmi, D. / Leighton, L. / Lasken, R. / Kuriyan, J.
CitationJournal: Structure Fold.Des. / Year: 1999
Title: Crystal structure of an archaebacterial DNA polymerase
Authors: Zhao, Y. / Jeruzalmi, D. / Moarefi, I. / Leighton, L. / Lasken, R. / Kuriyan, J.
History
DepositionJun 2, 1999Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 14, 1999Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA POLYMERASE II
hetero molecules


Theoretical massNumber of molelcules
Total (without water)90,5617
Polymers90,1281
Non-polymers4336
Water2,090116
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)66.1, 107.6, 155.9
Angle α, β, γ (deg.)90, 90, 90
Int Tables number19
Cell settingorthorhombic
Space group name H-MP212121

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Components

#1: Protein DNA POLYMERASE II / / E.C. 2.7.7.7


Mass: 90128.102 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Desulfurococcus sp. Tok (archaea) / Plasmid: PET30 / Production host: Escherichia coli (E. coli) / References: UniProt: Q7SIG7, DNA-directed DNA polymerase
#2: Chemical
ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: SO4
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 116 / 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: 3.07 Å3/Da / Density % sol: 59.99 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.6
Details: PEG 400, PEG 4000, AMMONIUM SULFATE, MAGNESIUM SULFATE, TRIS, pH 8.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal grow
*PLUS
Temperature: 20 ℃ / pH: 7.4 / Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
115 mg/mlprotein1drop
240 mMTris-HCl1drop
350 mMammonium sulfate1drop
4100 mMTris-HCl1reservoir
510 mM1reservoirMgSO4
6200 mMammonium sulfate1reservoir
720 %(v/v)MPD1reservoir
811 %(w/v)PEG40001reservoir
910 mMdithiothreitol1reservoir

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Data collection

DiffractionMean temperature: 90 K
Diffraction sourceSource: SYNCHROTRON / Site: CHESS / Beamline: A1 / Wavelength: 0.908
DetectorType: OTHER / Detector: CCD / Date: Dec 15, 1997
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.908 Å / Relative weight: 1
ReflectionResolution: 2.6→50 Å / Num. all: 34977 / Num. obs: 31591 / % possible obs: 90.3 % / Observed criterion σ(F): 2 / Redundancy: 5 % / Biso Wilson estimate: 47.08 Å2 / Rmerge(I) obs: 0.052 / Net I/σ(I): 20.6
Reflection shellResolution: 2.6→50 Å / Redundancy: 2.8 % / Rmerge(I) obs: 0.156 / % possible all: 57.8
Reflection
*PLUS
Num. obs: 32909 / % possible obs: 93.9 %
Reflection shell
*PLUS
% possible obs: 57.8 %

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
CNSrefinement
RefinementResolution: 2.6→50 Å / σ(F): 2 / Stereochemistry target values: ENGH & HUBER / Details: CNS PACKAGE
RfactorNum. reflection% reflection
Rfree0.2955 3161 10 %
Rwork0.2442 --
all0.2955 34977 -
obs0.2955 31591 90.3 %
Refinement stepCycle: LAST / Resolution: 2.6→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6029 0 22 116 6167
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.008273
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d1.61591
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.61591
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
Software
*PLUS
Name: CNS / Classification: refinement
Refinement
*PLUS
Highest resolution: 2.6 Å / Lowest resolution: 50 Å / σ(F): 2 / % reflection Rfree: 10 % / Rfactor obs: 0.242
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: c_angle_d

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