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- PDB-3n4a: Crystal structure of D-Xylose Isomerase in complex with S-1,2-Pro... -

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Basic information

Entry
Database: PDB / ID: 3n4a
TitleCrystal structure of D-Xylose Isomerase in complex with S-1,2-Propandiol
ComponentsXylose isomerase
KeywordsISOMERASE / INTRAMOLECULAR OXIDOREDUCTSE / S-1 / 2-Propandiol / TIM BARREL-BETA-ALPHA-BARRELS / TWO METAL BINDING ITES / Manganese
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. / 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
: / S-1,2-PROPANEDIOL / Xylose isomerase
Similarity search - Component
Biological speciesStreptomyces rubiginosus (bacteria)
MethodX-RAY DIFFRACTION / FOURIER SYNTHESIS / Resolution: 1.94 Å
AuthorsBehnen, J. / Heine, A. / Klebe, G.
CitationJournal: Chemmedchem / Year: 2012
Title: Experimental and computational active site mapping as a starting point to fragment-based lead discovery.
Authors: Behnen, J. / Koster, H. / Neudert, G. / Craan, T. / Heine, A. / Klebe, G.
History
DepositionMay 21, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 25, 2011Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Jan 18, 2012Group: Database references
Revision 1.3Feb 15, 2012Group: Database references
Revision 1.4Jul 17, 2019Group: Data collection / Refinement description / Category: software / Item: _software.classification / _software.name
Revision 1.5Sep 6, 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 / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _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: Xylose isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)43,3745
Polymers43,1521
Non-polymers2214
Water6,323351
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)173,49420
Polymers172,6084
Non-polymers88616
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555-x,-y,z1
crystal symmetry operation3_554-x,y,-z-11
crystal symmetry operation4_554x,-y,-z-11
Buried area32910 Å2
ΔGint-199 kcal/mol
Surface area44340 Å2
MethodPISA
Unit cell
Length a, b, c (Å)93.290, 99.130, 102.630
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number23
Space group name H-MI222
Components on special symmetry positions
IDModelComponents
11A-2347-

HOH

21A-2348-

HOH

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Components

#1: Protein Xylose isomerase


Mass: 43152.105 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-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mn
#3: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#4: Chemical ChemComp-PGO / S-1,2-PROPANEDIOL


Mass: 76.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 351 / 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: 2.75 Å3/Da / Density % sol: 55.26 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 6
Details: 20-28% Propandiol, 0.2M MgCl, 50mM MES, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SEALED TUBE / Type: OTHER / Wavelength: 1.5418 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: May 11, 2009 / Details: mirrors
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.94→25 Å / Num. obs: 34311 / % possible obs: 93.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5 % / Rsym value: 0.049 / Net I/σ(I): 27.6
Reflection shellResolution: 1.94→1.97 Å / Redundancy: 5 % / Mean I/σ(I) obs: 3.7 / Num. unique all: 1509 / Rsym value: 0.4 / % possible all: 88.6

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Processing

Software
NameClassification
SHELXL-97refinement
CNSrefinement
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: PDB entry 1XIC

1xic


Resolution: 1.94→10 Å / Num. parameters: 13514 / Num. restraintsaints: 12544 / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: ENGH AND HUBER
Details: ANISOTROPIC SCALING APPLIED BY THE METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56
RfactorNum. reflection% reflectionSelection details
Rfree0.1816 3401 -RANDOM
Rwork0.1418 ---
all0.1464 34311 --
obs0.1464 32100 97.4 %-
Refine analyzeNum. disordered residues: 3 / Occupancy sum hydrogen: 2889 / Occupancy sum non hydrogen: 3355.22
Refinement stepCycle: LAST / Resolution: 1.94→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2998 0 8 351 3357
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.007
X-RAY DIFFRACTIONs_angle_d0.023
X-RAY DIFFRACTIONs_similar_dist0
X-RAY DIFFRACTIONs_from_restr_planes0.0233
X-RAY DIFFRACTIONs_zero_chiral_vol0.039
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.042
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.012
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.059
X-RAY DIFFRACTIONs_approx_iso_adps0
LS refinement shellResolution: 1.94→1.97 Å / Num. reflection obs: 34311

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