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- PDB-3npr: Crystal structure of the C(30) carotenoid dehydrosqualene synthas... -

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Basic information

Entry
Database: PDB / ID: 3npr
TitleCrystal structure of the C(30) carotenoid dehydrosqualene synthase from S. aureus complexed with Presqualene diphosphate (PSPP)
ComponentsDehydrosqualene synthase
KeywordsTRANSFERASE / dehydrosqualene synthase / CrtM / presqualene diphosphate / PSPP / virulence factor / carotenoid
Function / homology
Function and homology information


4,4'-diapophytoene synthase / carotenoid biosynthetic process / : / farnesyltranstransferase activity / metal ion binding
Similarity search - Function
Trans-isoprenyl diphosphate synthases, bacterial-type / Squalene/phytoene synthase, conserved site / Squalene and phytoene synthases signature 1. / Trans-isoprenyl diphosphate synthases, head-to-head / Squalene/phytoene synthase / Squalene/phytoene synthase / Farnesyl Diphosphate Synthase / Farnesyl Diphosphate Synthase / Isoprenoid synthase domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-PS7 / 4,4'-diapophytoene synthase / Dehydrosqualene synthase
Similarity search - Component
Biological speciesStaphylococcus aureus (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsLin, F.-Y. / Liu, C.-I. / Liu, Y.-L. / Wang, K. / Zhang, Y. / Oldfield, E.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2010
Title: Mechanism of action and inhibition of dehydrosqualene synthase.
Authors: Lin, F.Y. / Liu, C.I. / Liu, Y.L. / Zhang, Y. / Wang, K. / Jeng, W.Y. / Ko, T.P. / Cao, R. / Wang, A.H. / Oldfield, E.
History
DepositionJun 28, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 22, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Sep 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 / pdbx_struct_conn_angle / struct_conn / 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 / _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.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_conn.pdbx_dist_value / _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_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_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

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Assembly

Deposited unit
A: Dehydrosqualene synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,4234
Polymers34,7871
Non-polymers6353
Water3,657203
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)80.571, 80.571, 91.672
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221

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Components

#1: Protein Dehydrosqualene synthase


Mass: 34787.496 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Staphylococcus aureus (bacteria) / Gene: crtm, SHAG_00345 / Production host: Escherichia coli (E. coli) / Strain (production host): BL-21 / References: UniProt: D2UVC8, UniProt: A9JQL9*PLUS
#2: Chemical ChemComp-PS7 / {(1R,2R,3R)-2-[(3E)-4,8-dimethylnona-3,7-dien-1-yl]-2-methyl-3-[(1E,5E)-2,6,10-trimethylundeca-1,5,9-trien-1-yl]cyclopropyl}methyl trihydrogen diphosphate


Mass: 586.677 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C30H52O7P2
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 203 / 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: 2.47 Å3/Da / Density % sol: 50.19 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.4
Details: 0.2 M Potassium sodium tartrate tetrahydrate, 20% w/v Polyethylene glycol 3,350, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-G / Wavelength: 1 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Apr 18, 2010
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2→30 Å / Num. all: 23228 / Num. obs: 21778 / % possible obs: 97.06 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 4.1 % / Rmerge(I) obs: 0.066

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Processing

Software
NameVersionClassification
HKL-2000data collection
PHASESphasing
REFMAC5.5.0109refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB enry 2ZCO

2zco


Resolution: 2→30 Å / Cor.coef. Fo:Fc: 0.958 / Cor.coef. Fo:Fc free: 0.927 / SU B: 5.337 / SU ML: 0.148 / Cross valid method: THROUGHOUT / ESU R Free: 0.192 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.26846 1176 5.1 %RANDOM
Rwork0.19757 ---
all0.20121 23228 --
obs0.20121 21778 97.06 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 39.206 Å2
Baniso -1Baniso -2Baniso -3
1-1.04 Å20.52 Å20 Å2
2--1.04 Å20 Å2
3----1.56 Å2
Refinement stepCycle: LAST / Resolution: 2→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2392 0 41 203 2636
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.0222487
X-RAY DIFFRACTIONr_angle_refined_deg1.1591.9473356
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.8295283
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.76824.275138
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.10915443
X-RAY DIFFRACTIONr_dihedral_angle_4_deg23.5721514
X-RAY DIFFRACTIONr_chiral_restr0.090.2352
X-RAY DIFFRACTIONr_gen_planes_refined0.0150.021907
X-RAY DIFFRACTIONr_mcbond_it1.5961.51415
X-RAY DIFFRACTIONr_mcangle_it2.72322291
X-RAY DIFFRACTIONr_scbond_it4.13731072
X-RAY DIFFRACTIONr_scangle_it6.1834.51062
LS refinement shellResolution: 2.002→2.054 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.358 69 -
Rwork0.266 1291 -
obs--79.49 %

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