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- PDB-1w37: 2-keto-3-deoxygluconate(KDG) aldolase of Sulfolobus solfataricus -

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Basic information

Entry
Database: PDB / ID: 1w37
Title2-keto-3-deoxygluconate(KDG) aldolase of Sulfolobus solfataricus
Components2-KETO-3-DEOXY GLUCONATE ALDOLASE
KeywordsALDOLASE / ARCHAEAL METABOLISM / THERMOSTABILITY
Function / homology
Function and homology information


2-dehydro-3-deoxy-phosphogluconate/2-dehydro-3-deoxy-6-phosphogalactonate aldolase / 2-dehydro-3-deoxy-phosphogluconate aldolase activity / 2-dehydro-3-deoxy-6-phosphogalactonate aldolase activity / 4-hydroxy-tetrahydrodipicolinate synthase activity
Similarity search - Function
: / DapA-like / Dihydrodipicolinate synthetase family / Dihydrodipicolinate synthetase family / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
2-dehydro-3-deoxy-phosphogluconate/2-dehydro-3-deoxy-6-phosphogalactonate aldolase
Similarity search - Component
Biological speciesSULFOLOBUS SOLFATARICUS (archaea)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsTheodossis, A. / Walden, H. / Westwick, E.J. / Connaris, H. / Lamble, H.J. / Hough, D.W. / Danson, M.J. / Taylor, G.L.
CitationJournal: J. Biol. Chem. / Year: 2004
Title: The structural basis for substrate promiscuity in 2-keto-3-deoxygluconate aldolase from the Entner-Doudoroff pathway in Sulfolobus solfataricus.
Authors: Theodossis, A. / Walden, H. / Westwick, E.J. / Connaris, H. / Lamble, H.J. / Hough, D.W. / Danson, M.J. / Taylor, G.L.
History
DepositionJul 13, 2004Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 2, 2004Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jul 5, 2017Group: Data collection / Category: diffrn_source / Item: _diffrn_source.type
Revision 1.4Mar 28, 2018Group: Database references / Source and taxonomy / Category: citation / entity_src_gen
Item: _citation.journal_abbrev / _citation.page_last ..._citation.journal_abbrev / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.title / _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id / _entity_src_gen.pdbx_host_org_scientific_name / _entity_src_gen.pdbx_host_org_strain / _entity_src_gen.pdbx_host_org_variant
Revision 1.5May 1, 2024Group: Data collection / Database references ...Data collection / Database references / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf
Revision 1.6Nov 13, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature
Remark 700 SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA BA" IN EACH CHAIN ON SHEET RECORDS ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA BA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 9-STRANDED BARREL THIS IS REPRESENTED BY A 10-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "CA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "DA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 7-STRANDED BARREL THIS IS REPRESENTED BY A 8-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: 2-KETO-3-DEOXY GLUCONATE ALDOLASE
B: 2-KETO-3-DEOXY GLUCONATE ALDOLASE
C: 2-KETO-3-DEOXY GLUCONATE ALDOLASE
D: 2-KETO-3-DEOXY GLUCONATE ALDOLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)133,36913
Polymers132,6094
Non-polymers7609
Water16,232901
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)83.577, 131.553, 132.556
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein
2-KETO-3-DEOXY GLUCONATE ALDOLASE


Mass: 33152.359 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) SULFOLOBUS SOLFATARICUS (archaea) / Plasmid: PET3-A / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: O54288, 2-dehydro-3-deoxyglucarate aldolase
#2: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C3H8O3
#3: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Na
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 901 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

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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: 2.8 Å3/Da / Density % sol: 55.1 %
Crystal growpH: 6
Details: 0.1M HEPES PH6, 13%PEG4000, 8% ISOPROPANOL, pH 6.00

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 / Wavelength: 1.54178
DetectorType: R-AXIS / Detector: IMAGE PLATE / Date: Jul 11, 2003 / Details: OSMIC
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54178 Å / Relative weight: 1
ReflectionResolution: 2→32 Å / Num. obs: 98295 / % possible obs: 99.1 % / Observed criterion σ(I): 2 / Redundancy: 3 % / Biso Wilson estimate: 18.58 Å2 / Rmerge(I) obs: 0.05 / Net I/σ(I): 10.8
Reflection shellResolution: 2→2.1 Å / Redundancy: 2.2 % / Rmerge(I) obs: 0.16 / Mean I/σ(I) obs: 4.6 / % possible all: 99.1

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Processing

Software
NameVersionClassification
REFMAC5.1.24refinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: MAD PHASED STRUCTURE

Resolution: 2→95.35 Å / Cor.coef. Fo:Fc: 0.958 / Cor.coef. Fo:Fc free: 0.93 / SU B: 3.257 / SU ML: 0.092 / Cross valid method: THROUGHOUT / ESU R: 0.151 / ESU R Free: 0.145 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.202 9825 10.05 %RANDOM
Rwork0.153 ---
obs0.158 88470 99.1 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL PLUS MASK
Displacement parametersBiso mean: 20 Å2
Baniso -1Baniso -2Baniso -3
1--0.437 Å20 Å20 Å2
2--0.672 Å20 Å2
3----0.235 Å2
Refinement stepCycle: LAST / Resolution: 2→95.35 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9302 0 49 901 10252
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0230.0229835
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.731.99213338
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.52751232
X-RAY DIFFRACTIONr_dihedral_angle_2_deg
X-RAY DIFFRACTIONr_dihedral_angle_3_deg
X-RAY DIFFRACTIONr_dihedral_angle_4_deg
X-RAY DIFFRACTIONr_chiral_restr0.1260.21515
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.027287
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2150.25092
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3150.26891
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1620.2894
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2110.250
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.180.224
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.9961.56044
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.71129880
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it3.08533791
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it5.0574.53458
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2→2.05 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.277 630
Rwork0.208 5959

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