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- PDB-3h2g: Crystal structure of a rice cell wall degrading esterase LipA fro... -

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Basic information

Entry
Database: PDB / ID: 3h2g
TitleCrystal structure of a rice cell wall degrading esterase LipA from Xanthomonas oryzae
Componentsesterase
KeywordsHYDROLASE / Xanthomonas oryzae pv. oryzae / esterase / cell wall degrading enzyme / rice / virulence / innate immune responses / pathogenesis / glycoside binding
Function / homology
Function and homology information


triglyceride lipase activity / lipid catabolic process / aminopeptidase activity
Similarity search - Function
Secretory lipase / Lipase, secreted / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Dipeptidyl aminopeptidases/acylaminoacyl-peptidases
Similarity search - Component
Biological speciesXanthomonas oryzae pv. oryzae (bacteria)
MethodX-RAY DIFFRACTION / MIR / Resolution: 1.86 Å
AuthorsAparna, G. / Chatterjee, A. / Sonti, R.V. / Sankaranarayanan, R.
CitationJournal: Plant Cell / Year: 2009
Title: A Cell Wall-Degrading Esterase of Xanthomonas oryzae Requires a Unique Substrate Recognition Module for Pathogenesis on Rice
Authors: Aparna, G. / Chatterjee, A. / Sonti, R.V. / Sankaranarayanan, R.
History
DepositionApr 14, 2009Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Aug 18, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: esterase


Theoretical massNumber of molelcules
Total (without water)42,6631
Polymers42,6631
Non-polymers00
Water9,530529
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)103.660, 54.680, 66.330
Angle α, β, γ (deg.)90.00, 92.65, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein esterase / / Putative uncharacterized protein


Mass: 42662.637 Da / Num. of mol.: 1 / Fragment: residues in UNP 45-441
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xanthomonas oryzae pv. oryzae (bacteria)
Strain: BXO43 / Gene: LipA / Plasmid: pHM1 / Production host: Xanthomonas oryzae pv. oryzae (bacteria) / Strain (production host): BXO43
References: UniProt: Q5H5J0, Hydrolases; Acting on ester bonds; Carboxylic-ester hydrolases
#2: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 529 / 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: 2.2 Å3/Da / Density % sol: 44.11 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.7
Details: 12% PEG 6000, 0.10M MES, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH3R / Wavelength: 1.5418 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Jun 18, 2007
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.86→25 Å / Num. obs: 30946 / Biso Wilson estimate: 9.7 Å2
Reflection shellResolution: 1.86→1.93 Å

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Processing

Software
NameVersionClassification
CNS1.1refinement
MAR345dtbdata collection
DENZOdata reduction
SCALEPACKdata scaling
SOLVEphasing
RefinementMethod to determine structure: MIR / Resolution: 1.86→24.5 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 1823647.51 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.187 1545 5 %RANDOM
Rwork0.161 ---
obs0.161 30946 98.7 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 44.3239 Å2 / ksol: 0.34921 e/Å3
Displacement parametersBiso mean: 11.8 Å2
Baniso -1Baniso -2Baniso -3
1--0.88 Å20 Å2-0.18 Å2
2--0.31 Å20 Å2
3---0.57 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.19 Å0.16 Å
Luzzati d res low-5 Å
Luzzati sigma a0.1 Å0.06 Å
Refinement stepCycle: LAST / Resolution: 1.86→24.5 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2941 0 0 529 3470
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.005
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d22.7
X-RAY DIFFRACTIONc_improper_angle_d0.78
X-RAY DIFFRACTIONc_mcbond_it11.5
X-RAY DIFFRACTIONc_mcangle_it1.372
X-RAY DIFFRACTIONc_scbond_it1.982
X-RAY DIFFRACTIONc_scangle_it2.82.5
LS refinement shellResolution: 1.86→1.93 Å / Rfactor Rfree error: 0.019 / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.229 150 5.2 %
Rwork0.188 2751 -
obs--93.3 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top

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