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- PDB-7cvk: Crystal structure of glucose isomerase by fixed-target serial syn... -

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Basic information

Entry
Database: PDB / ID: 7cvk
TitleCrystal structure of glucose isomerase by fixed-target serial synchrotron crystallography (100 ms)
ComponentsXylose isomerase
KeywordsISOMERASE / room temperature structure / serial crystallography / serial synchrotron crystallography
Function / homology
Function and homology information


xylose isomerase / xylose isomerase activity / D-xylose metabolic process / magnesium ion binding / identical protein binding / cytoplasm
Similarity search - Function
Xylose isomerase, actinobacteria / Xylose isomerase / Xylose isomerase family profile. / : / Xylose isomerase-like, TIM barrel domain / Xylose isomerase-like TIM barrel / Xylose isomerase-like superfamily
Similarity search - Domain/homology
Biological speciesStreptomyces rubiginosus (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsNam, K.H.
Funding support Korea, Republic Of, 1items
OrganizationGrant numberCountry
National Research Foundation (NRF, Korea)NRF-2017M3A9F6029736 Korea, Republic Of
CitationJournal: Crystals / Year: 2020
Title: Fixed-Target Serial Synchrotron Crystallography Using Nylon Mesh and Enclosed Film-Based Sample Holder
Authors: Park, S.Y. / Choi, H. / Eo, C. / Cho, Y. / Nam, K.H.
History
DepositionAug 26, 2020Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 9, 2020Provider: repository / Type: Initial release
Revision 1.1Mar 23, 2022Group: Database references / Category: citation / citation_author / database_2
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.title / _citation.year / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.2Sep 6, 2023Group: Data collection / Database references
Category: chem_comp_atom / chem_comp_bond / pdbx_related_exp_data_set
Revision 1.3Nov 29, 2023Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Xylose isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)43,3323
Polymers43,2831
Non-polymers492
Water6,485360
1
A: Xylose isomerase
hetero molecules

A: Xylose isomerase
hetero molecules

A: Xylose isomerase
hetero molecules

A: Xylose isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)173,32812
Polymers173,1334
Non-polymers1948
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_655-x+1,-y,z1
crystal symmetry operation3_656-x+1,y,-z+11
crystal symmetry operation4_556x,-y,-z+11
Buried area31080 Å2
ΔGint-189 kcal/mol
Surface area47690 Å2
MethodPISA
Unit cell
Length a, b, c (Å)94.440, 100.240, 103.520
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number23
Space group name H-MI222
Components on special symmetry positions
IDModelComponents
11A-542-

HOH

21A-790-

HOH

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Components

#1: Protein Xylose isomerase


Mass: 43283.297 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Streptomyces rubiginosus (bacteria) / References: UniProt: P24300, xylose isomerase
#2: Chemical ChemComp-MG / MAGNESIUM ION


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


Mass: 18.015 Da / Num. of mol.: 360 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN

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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: 2.83 Å3/Da / Density % sol: 56.54 %
Crystal growTemperature: 293.5 K / Method: batch mode / pH: 7 / Details: Tris-HCl, Ammonium sulfate, Magnesium sulfate

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Data collection

DiffractionMean temperature: 298.15 K / Serial crystal experiment: Y
Diffraction sourceSource: SYNCHROTRON / Site: PAL/PLS / Beamline: 11C / Wavelength: 0.97942 Å
DetectorType: PSI PILATUS 6M / Detector: PIXEL / Date: Apr 3, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97942 Å / Relative weight: 1
ReflectionResolution: 1.7→72.46 Å / Num. obs: 54250 / % possible obs: 100 % / Redundancy: 241.2 % / CC1/2: 0.9249 / CC star: 0.9802 / Net I/σ(I): 3.36
Reflection shellResolution: 1.7→1.76 Å / Mean I/σ(I) obs: 1.66 / Num. unique obs: 5361 / CC1/2: 0.6616 / CC star: 0.8924
Serial crystallography sample deliveryMethod: fixed target
Serial crystallography sample delivery fixed targetSample dehydration prevention: Polyimide films / Sample holding: Nylon-mesh

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Processing

Software
NameVersionClassification
PHENIX1.18.2_3874refinement
PDB_EXTRACT3.25data extraction
CrystFELdata reduction
CrystFELdata scaling
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5Y4I

5y4i


Resolution: 1.7→72.01 Å / SU ML: 0.18 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 19.91 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.1994 1992 3.67 %
Rwork0.1808 52254 -
obs0.1815 54246 99.99 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 72.21 Å2 / Biso mean: 19.7839 Å2 / Biso min: 6.63 Å2
Refinement stepCycle: final / Resolution: 1.7→72.01 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3033 0 2 360 3395
Biso mean--15.69 31.92 -
Num. residues----385
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 14 / % reflection obs: 100 %

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all
1.7-1.740.33281370.267636643801
1.74-1.790.2581410.248737323873
1.79-1.840.27771440.222536683812
1.84-1.90.26971390.220136833822
1.9-1.970.21681450.205237033848
1.97-2.050.22731400.202637303870
2.05-2.140.22871320.186936943826
2.14-2.250.19841500.172237133863
2.25-2.40.18251430.177237203863
2.4-2.580.20881440.174737133857
2.58-2.840.20931380.179637533891
2.84-3.250.18211460.179637563902
3.25-4.10.15111420.15138033945
4.1-72.010.16971510.159539224073

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