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- PDB-3n9w: Crystal structure of 2-C-methyl-D-erythritol 4-phosphate cytidyly... -

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Basic information

Entry
Database: PDB / ID: 3n9w
TitleCrystal structure of 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase (IspD) in complex with 1,2-Propanediol
Components2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase
KeywordsTRANSFERASE / YGBP / CYTIDYLYLTRANSFERASE / DEOXYXYLULOSE-5-PHOSPHATE PATHWAY (DXP) / ISOPRENOID BIOSYNTHESIS / 1 / 2-Propanediol / FBLD
Function / homology
Function and homology information


2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase / 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase activity / isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway / magnesium ion binding / identical protein binding / cytosol
Similarity search - Function
2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase / : / 4-diphosphocytidyl-2C-methyl-D-erythritol synthase, conserved site / Cytidylyltransferase IspD/TarI / 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase / 4-diphosphocytidyl-2C-methyl-D-erythritol synthase signature. / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Nucleotide-diphospho-sugar transferases / Alpha-Beta Complex / Alpha Beta
Similarity search - Domain/homology
S-1,2-PROPANEDIOL / R-1,2-PROPANEDIOL / 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.9 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 31, 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 1.4Nov 8, 2017Group: Refinement description / Category: software
Revision 1.5Jul 17, 2019Group: Data collection / Refinement description / Category: software / Item: _software.name
Revision 1.6Sep 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 / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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

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Assembly

Deposited unit
A: 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase
B: 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)51,5105
Polymers51,2822
Non-polymers2283
Water1,892105
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4960 Å2
ΔGint1 kcal/mol
Surface area16920 Å2
MethodPISA
Unit cell
Length a, b, c (Å)41.240, 81.200, 133.650
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-C-methyl-D-erythritol 4-phosphate cytidylyltransferase / 4-diphosphocytidyl-2C-methyl-D-erythritol synthase / MEP cytidylyltransferase / MCT / CDP-ME synthase


Mass: 25641.068 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K12
References: UniProt: Q46893, 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase
#2: Chemical ChemComp-PGO / S-1,2-PROPANEDIOL


Mass: 76.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O2
#3: Chemical ChemComp-PGR / R-1,2-PROPANEDIOL


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


Mass: 18.015 Da / Num. of mol.: 105 / 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: 2.18 Å3/Da / Density % sol: 43.62 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: 30% 1,2-propanediol, 20% PEG400, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 110 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06DA / Wavelength: 1 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Aug 1, 2009
RadiationMonochromator: Bartels monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.9→25 Å / Num. all: 32991 / Num. obs: 32991 / % possible obs: 94.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.3 % / Rsym value: 0.049 / Net I/σ(I): 21.8
Reflection shellResolution: 1.9→1.93 Å / Redundancy: 2.9 % / Mean I/σ(I) obs: 2.9 / Rsym value: 0.287 / % possible all: 78

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Processing

Software
NameClassification
SHELXL-97refinement
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 1VGT

1vgt


Resolution: 1.9→10 Å / Num. parameters: 12823 / Num. restraintsaints: 16547 / 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
Rwork0.21 ---
all0.2133 32991 --
obs-32991 91.8 %-
Rfree---RANDOM
Refine analyzeNum. disordered residues: 3 / Occupancy sum hydrogen: 3086 / Occupancy sum non hydrogen: 3177
Refinement stepCycle: LAST / Resolution: 1.9→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3061 0 15 105 3181
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.007
X-RAY DIFFRACTIONs_angle_d0.024
X-RAY DIFFRACTIONs_similar_dist0.092
X-RAY DIFFRACTIONs_from_restr_planes0.0253
X-RAY DIFFRACTIONs_zero_chiral_vol0.034
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.041
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.012
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.057
X-RAY DIFFRACTIONs_approx_iso_adps0
LS refinement shellResolution: 1.9→1.93 Å / Num. reflection Rfree: 3287

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