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- PDB-3a9g: Crystal Structure of PQQ-dependent sugar dehydrogenase apo-form -

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Basic information

Entry
Database: PDB / ID: 3a9g
TitleCrystal Structure of PQQ-dependent sugar dehydrogenase apo-form
ComponentsPutative uncharacterized protein
KeywordsOXIDOREDUCTASE / PQQ dependent dehydrogenase / aldose sugar dehydrogenase / beta-propeller fold
Function / homology
Function and homology information


Glucose/Sorbosone dehydrogenase / Glucose / Sorbosone dehydrogenase / Soluble quinoprotein glucose/sorbosone dehydrogenase / TolB, C-terminal domain / Six-bladed beta-propeller, TolB-like / 6 Propeller / Neuraminidase / Mainly Beta
Similarity search - Domain/homology
trehalose / Glucose/Sorbosone dehydrogenase domain-containing protein
Similarity search - Component
Biological speciesPyrobaculum aerophilum (archaea)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.39 Å
AuthorsSakuraba, H. / Yokono, K. / Yoneda, K. / Ohshima, T.
CitationJournal: Arch.Biochem.Biophys. / Year: 2010
Title: Catalytic properties and crystal structure of quinoprotein aldose sugar dehydrogenase from hyperthermophilic archaeon Pyrobaculum aerophilum
Authors: Sakuraba, H. / Yokono, K. / Yoneda, K. / Watanabe, A. / Asada, Y. / Satomura, T. / Yabutani, T. / Motonaka, J. / Ohshima, T.
History
DepositionOct 26, 2009Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 8, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Oct 11, 2017Group: Refinement description / Category: software
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / entity_name_com / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_molecule_features / pdbx_nonpoly_scheme / pdbx_struct_conn_angle / struct_asym / struct_conn / struct_conn_type / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.pdbx_synonyms / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.src_method / _entity.type / _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_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_asym.entity_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Nov 1, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Putative uncharacterized protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)39,0964
Polymers38,3721
Non-polymers7253
Water1,982110
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)177.740, 177.740, 89.937
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number98
Space group name H-MI4122
Components on special symmetry positions
IDModelComponents
11A-4005-

HOH

21A-4079-

HOH

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Components

#1: Protein Putative uncharacterized protein / PQQ-dependent sugar dehydrogenase


Mass: 38371.605 Da / Num. of mol.: 1 / Fragment: Resisues 18-371
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pyrobaculum aerophilum (archaea) / Plasmid: pET11 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: Q8ZUN8, glucose 1-dehydrogenase (PQQ, quinone)
#2: Polysaccharide alpha-D-glucopyranose-(1-1)-alpha-D-glucopyranose / trehalose /


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Details: oligosaccharide with reducing-end-to-reducing-end glycosidic bond
References: trehalose
DescriptorTypeProgram
DGlcpa1-1DGlcpaGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1a_1-5]/1-1/a1-b1WURCSPDB2Glycan 1.1.0
[][a-D-Glcp]{[(1+1)][a-D-Glcp]{}}LINUCSPDB-CARE
#3: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 110 / 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: 4.76 Å3/Da / Density % sol: 74.14 %
Crystal growTemperature: 293 K / Method: sitting drop / pH: 6.6
Details: ammonium sulfate, pH 6.6, sitting drop, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: BL-17A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 270 / Detector: CCD / Date: Feb 27, 2009
RadiationMonochromator: Si(111) double crystal monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.39→50 Å / Num. all: 28570 / Num. obs: 28570 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
CNS1.2refinement
PDB_EXTRACT3.005data extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
REFMAC5.2.0019refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2ISM

2ism


Resolution: 2.39→40.13 Å / Cor.coef. Fo:Fc: 0.948 / Cor.coef. Fo:Fc free: 0.943 / Rfactor Rfree error: 0.004 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 5.037 / SU ML: 0.118 / Data cutoff high absF: 2700946 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / ESU R: 0.201 / ESU R Free: 0.17 / Stereochemistry target values: Engh & Huber / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.21989 1448 5.1 %RANDOM
Rwork0.20068 ---
obs0.20167 27108 99.62 %-
all-28369 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: FLAT MODEL / Bsol: 48.331 Å2 / ksol: 0.4 e/Å3
Displacement parametersBiso max: 97.59 Å2 / Biso mean: 38.722 Å2 / Biso min: 7.6 Å2
Baniso -1Baniso -2Baniso -3
1--3.31 Å20 Å20 Å2
2---3.31 Å20 Å2
3---6.62 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.35 Å0.3 Å
Luzzati d res low-5 Å
Luzzati sigma a0.34 Å0.28 Å
Refinement stepCycle: LAST / Resolution: 2.39→40.13 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2571 0 47 110 2728
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.0212685
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.5191.9753648
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.8285337
X-RAY DIFFRACTIONr_dihedral_angle_2_deg30.90422.544114
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.43915408
X-RAY DIFFRACTIONr_dihedral_angle_4_deg21.0331523
X-RAY DIFFRACTIONr_chiral_restr0.1040.2400
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.022047
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2050.21069
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3110.21757
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1430.2159
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.0780.24
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1930.234
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1090.213
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.8321.51699
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.49422652
X-RAY DIFFRACTIONr_scbond_it1.77631120
X-RAY DIFFRACTIONr_scangle_it2.7474.5996
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.392→2.454 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.281 108 -
Rwork0.262 1896 -
obs--95.89 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top
X-RAY DIFFRACTION3ion.paramion.top
X-RAY DIFFRACTION4tre.paramtre.top

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