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- PDB-3gke: Crystal Structure of Dicamba Monooxygenase -

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Basic information

Entry
Database: PDB / ID: 3gke
TitleCrystal Structure of Dicamba Monooxygenase
ComponentsDdmC
KeywordsOXIDOREDUCTASE / Rieske cluster / non-heme mononuclear iron / oxygenase
Function / homology
Function and homology information


Oxidoreductases; Acting on paired donors, with incorporation or reduction of molecular oxygen; With reduced iron-sulfur protein as one donor, and incorporation of one atom of oxygen into the other donor / catabolic process / oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen / monooxygenase activity / 2 iron, 2 sulfur cluster binding / metal ion binding
Similarity search - Function
Vanillate O-demethylase oxygenase-like, C-terminal catalytic domain / Vanillate O-demethylase oxygenase C-terminal domain / : / Naphthalene 1,2-dioxygenase Alpha Subunit; Chain A, domain 1 / Naphthalene 1,2-dioxygenase Alpha Subunit; Chain A, domain 1 / Rieske Iron-sulfur Protein / Rieske [2Fe-2S] iron-sulphur domain / 3-layer Sandwich / Rieske [2Fe-2S] domain / Rieske [2Fe-2S] iron-sulphur domain ...Vanillate O-demethylase oxygenase-like, C-terminal catalytic domain / Vanillate O-demethylase oxygenase C-terminal domain / : / Naphthalene 1,2-dioxygenase Alpha Subunit; Chain A, domain 1 / Naphthalene 1,2-dioxygenase Alpha Subunit; Chain A, domain 1 / Rieske Iron-sulfur Protein / Rieske [2Fe-2S] iron-sulphur domain / 3-layer Sandwich / Rieske [2Fe-2S] domain / Rieske [2Fe-2S] iron-sulphur domain / Rieske [2Fe-2S] iron-sulfur domain profile. / Rieske [2Fe-2S] iron-sulphur domain superfamily / Alpha-Beta Complex / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / : / FE2/S2 (INORGANIC) CLUSTER / OXYGEN MOLECULE / Dicamba O-demethylase, oxygenase component
Similarity search - Component
Biological speciesStenotrophomonas maltophilia (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 1.75 Å
AuthorsWilson, M.A. / Dumitru, R. / Jiang, W.Z. / Weeks, D.P.
CitationJournal: J.Mol.Biol. / Year: 2009
Title: Crystal structure of dicamba monooxygenase: a Rieske nonheme oxygenase that catalyzes oxidative demethylation.
Authors: Dumitru, R. / Jiang, W.Z. / Weeks, D.P. / Wilson, M.A.
History
DepositionMar 10, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 21, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Feb 21, 2024Group: 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 / struct_conn / struct_ncs_dom_lim / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _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_asym_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_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id / _struct_ref_seq_dif.details / _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: DdmC
B: DdmC
C: DdmC
hetero molecules


Theoretical massNumber of molelcules
Total (without water)117,39122
Polymers115,9253
Non-polymers1,46619
Water15,331851
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area10210 Å2
ΔGint-91 kcal/mol
Surface area40390 Å2
MethodPISA
Unit cell
Length a, b, c (Å)81.026, 81.026, 158.154
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number145
Space group name H-MP32
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
31C

NCS domain segments:

Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: ALA / Beg label comp-ID: ALA / End auth comp-ID: LEU / End label comp-ID: LEU / Refine code: 5 / Auth seq-ID: 2 - 155 / Label seq-ID: 2 - 155

Dom-IDAuth asym-IDLabel asym-ID
1AA
2BB
3CC

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Components

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Protein , 1 types, 3 molecules ABC

#1: Protein DdmC / dicamba monooxygenase


Mass: 38641.695 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Stenotrophomonas maltophilia (bacteria)
Strain: DI-6 / Gene: ddmC / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: Q5S3I3

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Non-polymers , 6 types, 870 molecules

#2: Chemical ChemComp-FES / FE2/S2 (INORGANIC) CLUSTER


Mass: 175.820 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Fe2S2
#3: Chemical ChemComp-FE / FE (III) ION


Mass: 55.845 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Fe
#4: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: C2H6O2
#5: Chemical
ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H3O2
#6: Chemical ChemComp-OXY / OXYGEN MOLECULE


Mass: 31.999 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: O2
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 851 / 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: 2.59 Å3/Da / Density % sol: 52.43 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5
Details: 5% PEG 4000, 100 mM sodium acetate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 14-BM-C / Wavelength: 0.9 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Mar 12, 2007 / Details: Bent conical Rh coated Si mirror
RadiationMonochromator: Bent Ge(111) monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9 Å / Relative weight: 1
ReflectionResolution: 1.75→70 Å / Num. all: 117257 / Num. obs: 116444 / % possible obs: 99.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 7.9 % / Rmerge(I) obs: 0.066 / Net I/σ(I): 31.5
Reflection shellResolution: 1.75→1.81 Å / Redundancy: 4.5 % / Rmerge(I) obs: 0.665 / Mean I/σ(I) obs: 2.2 / % possible all: 100

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
SHELXDEphasing
REFMAC5.2.0019refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: SAD / Resolution: 1.75→42.15 Å / Cor.coef. Fo:Fc: 0.972 / Cor.coef. Fo:Fc free: 0.96 / SU B: 4.59 / SU ML: 0.067 / Cross valid method: THROUGHOUT / ESU R: 0.098 / ESU R Free: 0.098 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.19789 5839 5 %RANDOM
Rwork0.16311 ---
obs0.16484 110605 99.33 %-
all-117257 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 17.61 Å2
Baniso -1Baniso -2Baniso -3
1-0.15 Å20.07 Å20 Å2
2--0.15 Å20 Å2
3----0.22 Å2
Refinement stepCycle: LAST / Resolution: 1.75→42.15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7674 0 68 851 8593
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0227917
X-RAY DIFFRACTIONr_bond_other_d00.025372
X-RAY DIFFRACTIONr_angle_refined_deg1.2241.95810753
X-RAY DIFFRACTIONr_angle_other_deg0.718313021
X-RAY DIFFRACTIONr_dihedral_angle_1_deg8.2395988
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.01123.607377
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.288151220
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.7141567
X-RAY DIFFRACTIONr_chiral_restr0.0830.21161
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.0218944
X-RAY DIFFRACTIONr_gen_planes_other00.021605
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1920.51094
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2250.121
X-RAY DIFFRACTIONr_symmetry_vdw_other0.3370.148
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.190.527
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it3.30724952
X-RAY DIFFRACTIONr_mcbond_other1.28521991
X-RAY DIFFRACTIONr_mcangle_it4.31337948
X-RAY DIFFRACTIONr_scbond_it4.25122965
X-RAY DIFFRACTIONr_scangle_it5.66932799
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Dom-ID: 1 / Ens-ID: 1 / Refine-ID: X-RAY DIFFRACTION

Auth asym-IDNumberTypeRms dev position (Å)Weight position
A886MEDIUM POSITIONAL0.270.5
B886MEDIUM POSITIONAL0.30.5
C886MEDIUM POSITIONAL0.250.5
A1090LOOSE POSITIONAL0.325
B1090LOOSE POSITIONAL0.375
C1090LOOSE POSITIONAL0.365
A886MEDIUM THERMAL2.142
B886MEDIUM THERMAL2.052
C886MEDIUM THERMAL1.692
A1090LOOSE THERMAL2.3510
B1090LOOSE THERMAL2.2910
C1090LOOSE THERMAL1.7710
LS refinement shellResolution: 1.75→1.795 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.288 430 -
Rwork0.237 8228 -
obs--99.8 %

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