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- PDB-1yj4: Y305F Trichodiene Synthase -

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Basic information

Entry
Database: PDB / ID: 1yj4
TitleY305F Trichodiene Synthase
ComponentsTrichodiene synthase
KeywordsLYASE / terpenoid cyclase fold / site-directed mutant
Function / homology
Function and homology information


trichodiene synthase / trichodiene synthase activity / sesquiterpenoid biosynthetic process / metal ion binding
Similarity search - Function
Trichodiene synthase, ascomycetes / Trichodiene synthase / Trichodiene synthase (TRI5) / Farnesyl Diphosphate Synthase / Farnesyl Diphosphate Synthase / Isoprenoid synthase domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Trichodiene synthase
Similarity search - Component
Biological speciesFusarium sporotrichioides (fungus)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 2.3 Å
AuthorsVedula, L.S. / Rynkiewicz, M.J. / Pyun, H.J. / Coates, R.M. / Cane, D.E. / Christianson, D.W.
CitationJournal: Biochemistry / Year: 2005
Title: Molecular Recognition of the Substrate Diphosphate Group Governs Product Diversity in Trichodiene Synthase Mutants.
Authors: Vedula, L.S. / Rynkiewicz, M.J. / Pyun, H.J. / Coates, R.M. / Cane, D.E. / Christianson, D.W.
History
DepositionJan 13, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 29, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 20, 2021Group: Database references / Derived calculations / Category: database_2 / 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_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Aug 23, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Trichodiene synthase
B: Trichodiene synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)88,3176
Polymers88,0692
Non-polymers2484
Water2,864159
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6250 Å2
ΔGint-31 kcal/mol
Surface area27690 Å2
MethodPISA
Unit cell
Length a, b, c (Å)122.24, 122.24, 151.72
Angle α, β, γ (deg.)90, 90, 120
Int Tables number152
Space group name H-MP3121
DetailsThe biological assembly is a dimer found in the asymmetric unit.

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Components

#1: Protein Trichodiene synthase / Sesquiterpene cyclase / TS


Mass: 44034.602 Da / Num. of mol.: 2 / Mutation: Y305F
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Fusarium sporotrichioides (fungus) / Gene: TRI5 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P13513, trichodiene synthase
#2: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H6O2
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 159 / 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: 3.72 Å3/Da / Density % sol: 66.9 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.9
Details: PEG 8000, Calcium chloride, Sodium HEPES, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X4A / Wavelength: 1.0721 / Wavelength: 1.0721 Å
DetectorDetector: CCD / Date: Nov 14, 2003
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.0721 Å / Relative weight: 1
ReflectionResolution: 2.3→40 Å / Num. all: 54949 / Num. obs: 54949 / % possible obs: 93.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3 % / Biso Wilson estimate: 53.4 Å2 / Rmerge(I) obs: 0.059 / Net I/σ(I): 22.2
Reflection shellResolution: 2.3→2.38 Å / Redundancy: 2.6 % / Rmerge(I) obs: 0.448 / Mean I/σ(I) obs: 3.1 / % possible all: 94.6

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Processing

Software
NameClassification
HKL-2000data collection
SCALEPACKdata scaling
CNSrefinement
HKL-2000data reduction
CNSphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: PDB ID 1JFA

1jfa


Resolution: 2.3→40 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
Details: Residues in PDB that have occupancy zero were refined as alanines.
RfactorNum. reflection% reflectionSelection details
Rfree0.275 2770 4.7 %Random
Rwork0.244 ---
all-58667 --
obs-54949 93.9 %-
Displacement parametersBiso mean: 54 Å2
Refinement stepCycle: LAST / Resolution: 2.3→40 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5753 0 16 159 5928
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.1
X-RAY DIFFRACTIONc_dihedral_angle_d18.5
X-RAY DIFFRACTIONc_improper_angle_d0.76

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