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- PDB-3ity: Metal-free form of Pseudomonas stutzeri L-rhamnose isomerase -

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Basic information

Entry
Database: PDB / ID: 3ity
TitleMetal-free form of Pseudomonas stutzeri L-rhamnose isomerase
ComponentsL-rhamnose isomerase
KeywordsISOMERASE / METAL-BINDING PROTEIN / BETA/ALPHA BARREL / HOMO-TETRAMER / TIM barrel
Function / homology
Function and homology information


isomerase activity / metal ion binding
Similarity search - Function
L-rhamnose catabolism isomerase / : / Divalent-metal-dependent TIM barrel enzymes / Xylose isomerase-like, TIM barrel domain / Xylose isomerase-like TIM barrel / Xylose isomerase-like superfamily / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
L-rhamnose isomerase
Similarity search - Component
Biological speciesPseudomonas stutzeri (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.84 Å
AuthorsYoshida, H. / Yamaji, M. / Ishii, T. / Izumori, K. / Kamitori, S.
Citation
Journal: Febs J. / Year: 2010
Title: Catalytic reaction mechanism of Pseudomonas stutzeri l-rhamnose isomerase deduced from X-ray structures
Authors: Yoshida, H. / Yamaji, M. / Ishii, T. / Izumori, K. / Kamitori, S.
#1: Journal: J.Mol.Biol. / Year: 2007
Title: The structures of L-rhamnose isomerase from Pseudomonas stutzeri in complexes with L-rhamnose and D-allose provide insights into broad substrate specificity
Authors: Yoshida, H. / Yamada, M. / Ohyama, Y. / Takada, G. / Izumori, K. / Kamitori, S.
History
DepositionAug 28, 2009Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Feb 2, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 10, 2021Group: Database references / Category: database_2 / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 1.3Nov 1, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: L-rhamnose isomerase
B: L-rhamnose isomerase
C: L-rhamnose isomerase
D: L-rhamnose isomerase


Theoretical massNumber of molelcules
Total (without water)192,0184
Polymers192,0184
Non-polymers00
Water35,7601985
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area23380 Å2
ΔGint-100 kcal/mol
Surface area52210 Å2
MethodPISA
Unit cell
Length a, b, c (Å)74.691, 104.785, 114.252
Angle α, β, γ (deg.)90.00, 107.98, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein
L-rhamnose isomerase


Mass: 48004.613 Da / Num. of mol.: 4 / Mutation: D150N
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas stutzeri (bacteria) / Plasmid: pQE60 / Production host: Escherichia coli (E. coli) / Strain (production host): JM109 / References: UniProt: Q75WH8, L-rhamnose isomerase
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1985 / 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: 2.21 Å3/Da / Density % sol: 44.46 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.3
Details: 7-8% (W/V) polyethylene glycol 20000, 50mM MES, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: BL-6A / Wavelength: 0.978 Å
DetectorType: ADSC QUANTUM 4r / Detector: CCD / Date: Oct 24, 2006
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.978 Å / Relative weight: 1
ReflectionResolution: 1.84→50 Å / Num. all: 145244 / Num. obs: 145244 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.7 % / Biso Wilson estimate: 12.4 Å2 / Rmerge(I) obs: 0.061 / Net I/σ(I): 11
Reflection shellResolution: 1.84→1.91 Å / Redundancy: 3.6 % / Rmerge(I) obs: 0.275 / Mean I/σ(I) obs: 5.2 / % possible all: 99.2

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
MOLREPphasing
CNS1.1refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2HCV

2hcv


Resolution: 1.84→46.94 Å / Rfactor Rfree error: 0.002 / Data cutoff high absF: 47197.91 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.19 14044 10 %RANDOM
Rwork0.158 ---
all0.16 140561 --
obs0.158 140561 97 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 50.1714 Å2 / ksol: 0.355494 e/Å3
Displacement parametersBiso mean: 16 Å2
Baniso -1Baniso -2Baniso -3
1--0.96 Å20 Å2-1.54 Å2
2---0.18 Å20 Å2
3---1.14 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.2 Å0.16 Å
Luzzati d res low-5 Å
Luzzati sigma a0.14 Å0.1 Å
Refinement stepCycle: LAST / Resolution: 1.84→46.94 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13072 0 0 1985 15057
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.005
X-RAY DIFFRACTIONc_angle_deg1.1
X-RAY DIFFRACTIONc_dihedral_angle_d21.3
X-RAY DIFFRACTIONc_improper_angle_d0.74
Refine LS restraints NCSNCS model details: NONE
LS refinement shellResolution: 1.84→1.96 Å / Rfactor Rfree error: 0.005 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.229 2236 10.1 %
Rwork0.188 19958 -
obs-2236 92.4 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2carbohydrate.paramwater.top
X-RAY DIFFRACTION3ion.paramcarbohydrate.top
X-RAY DIFFRACTION4water_rep.paramion.top

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