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- PDB-2ofo: MSrecA-native -

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Basic information

Entry
Database: PDB / ID: 2ofo
TitleMSrecA-native
ComponentsProtein recA
KeywordsRECOMBINATION / DNA-REPAIR / SOS RESPONCE
Function / homology
Function and homology information


SOS response / ATP-dependent DNA damage sensor activity / single-stranded DNA binding / DNA recombination / damaged DNA binding / DNA repair / ATP hydrolysis activity / ATP binding / cytoplasm
Similarity search - Function
RecA protein, C-terminal domain / Rec A Protein; domain 2 / DNA recombination/repair protein RecA, conserved site / DNA recombination and repair protein RecA, C-terminal / : / RecA C-terminal domain / recA signature. / DNA recombination and repair protein RecA / : / recA bacterial DNA recombination protein ...RecA protein, C-terminal domain / Rec A Protein; domain 2 / DNA recombination/repair protein RecA, conserved site / DNA recombination and repair protein RecA, C-terminal / : / RecA C-terminal domain / recA signature. / DNA recombination and repair protein RecA / : / recA bacterial DNA recombination protein / DNA recombination and repair protein RecA, monomer-monomer interface / RecA family profile 2. / DNA recombination and repair protein RecA-like, ATP-binding domain / RecA family profile 1. / P-loop containing nucleotide triphosphate hydrolases / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
PHOSPHATE ION / Protein RecA / Protein RecA
Similarity search - Component
Biological speciesMycobacterium smegmatis (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 3.16 Å
AuthorsKrishna, R. / Rajan Prabu, J. / Manjunath, G.P. / Datta, S. / Chandra, N.R. / Muniyappa, K. / Vijayan, M.
Citation
Journal: J.Mol.Biol. / Year: 2007
Title: Snapshots of RecA protein involving movement of the C-domain and different conformations of the DNA-binding loops: crystallographic and comparative analysis of 11 structures of Mycobacterium smegmatis RecA
Authors: Krishna, R. / Prabu, J.R. / Manjunath, G.P. / Datta, S. / Chandra, N.R. / Muniyappa, K. / Vijayan, M.
#1: Journal: Nucleic Acids Res. / Year: 2000
Title: Crystal structures of Mycobacterium tuberculosis RecA and its complex with ADP-AlF(4): implications for decreased ATPase activity and molecular aggregation
Authors: Datta, S. / Prabu, M.M. / Vaze, M.B. / Ganesh, N. / Chandra, N.R. / Muniyappa, K. / Vijayan, M.
#2: Journal: Proteins / Year: 2003
Title: Structural studies on MtRecA-nucleotide complexes: insights into DNA and nucleotide binding and the structural signature of NTP recognition
Authors: Datta, S. / Ganesh, N. / Chandra, N.R. / Muniyappa, K. / Vijayan, M.
#3: Journal: J.Bacteriol. / Year: 2003
Title: Crystal structures of Mycobacterium smegmatis RecA and its nucleotide complexes
Authors: Datta, S. / Krishna, R. / Ganesh, N. / Chandra, N.R. / Muniyappa, K. / Vijayan, M.
#4: Journal: Nucleic Acids Res. / Year: 2006
Title: Crystallographic identification of an ordered C-terminal domain and a second nucleotide-binding site in RecA: new insights into allostery
Authors: Krishna, R. / Manjunath, G.P. / Kumar, P. / Surolia, A. / Chandra, N.R. / Muniyappa, K. / Vijayan, M.
History
DepositionJan 4, 2007Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Jun 19, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 25, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Protein recA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,4392
Polymers37,3441
Non-polymers951
Water63135
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)108.418, 108.418, 72.173
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number169
Space group name H-MP61

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Components

#1: Protein Protein recA / recombinase A


Mass: 37344.488 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium smegmatis (bacteria) / Plasmid: PTHIOA / Production host: Escherichia coli (E. coli) / Strain (production host): JC10289
References: UniProt: Q59560, UniProt: Q5QJ16*PLUS, EC: 3.4.99.37
#2: Chemical ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: PO4
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 35 / 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: 3.28 Å3/Da / Density % sol: 62.47 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: citrate phosphate, Sodium citrate, NACL, PEG 4000, pH 7.50, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 / Wavelength: 1.5418 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Jan 26, 2003
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 3.16→28.8 Å / Num. obs: 8178 / % possible obs: 99.7 % / Observed criterion σ(I): 0 / Redundancy: 3.5 % / Biso Wilson estimate: 37.1 Å2 / Rmerge(I) obs: 0.098 / Net I/σ(I): 7
Reflection shellResolution: 3.2→3.31 Å / Redundancy: 3.5 % / Rmerge(I) obs: 0.495 / Mean I/σ(I) obs: 1.3 / % possible all: 100

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Processing

Software
NameVersionClassification
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1UBC

1ubc


Resolution: 3.16→28.71 Å / Rfactor Rfree error: 0.01 / Data cutoff high absF: 389799.16 / Data cutoff low absF: 0 / Isotropic thermal model: GROUP / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.268 777 9.8 %RANDOM
Rwork0.216 ---
obs0.216 7907 94.2 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 48.5333 Å2 / ksol: 0.262325 e/Å3
Displacement parametersBiso mean: 50.1 Å2
Baniso -1Baniso -2Baniso -3
1--10.18 Å214.78 Å20 Å2
2---10.18 Å20 Å2
3---20.37 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.44 Å0.35 Å
Luzzati d res low-5 Å
Luzzati sigma a0.48 Å0.46 Å
Refinement stepCycle: LAST / Resolution: 3.16→28.71 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2367 0 5 35 2407
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.01
X-RAY DIFFRACTIONc_angle_deg1.8
X-RAY DIFFRACTIONc_dihedral_angle_d23.3
X-RAY DIFFRACTIONc_improper_angle_d1.03
LS refinement shellResolution: 3.16→3.35 Å / Rfactor Rfree error: 0.031 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.323 109 10.5 %
Rwork0.295 931 -
obs--74.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION3phos.paramphos.top
X-RAY DIFFRACTION4water_rep.paramwater.top

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