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- PDB-4b7v: Structure of wild type Pseudomonas aeruginosa FabF (KASII) -

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Basic information

Entry
Database: PDB / ID: 4b7v
TitleStructure of wild type Pseudomonas aeruginosa FabF (KASII)
Components3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 2
KeywordsTRANSFERASE / FATTY ACID BIOSYNTHESIS
Function / homology
Function and homology information


beta-ketoacyl-[acyl-carrier-protein] synthase II / 3-oxoacyl-[acyl-carrier-protein] synthase activity / fatty acid biosynthetic process / metal ion binding / cytosol
Similarity search - Function
3-oxoacyl-[acyl-carrier-protein] synthase 2 / Beta-ketoacyl synthase / Thiolase/Chalcone synthase / Peroxisomal Thiolase; Chain A, domain 1 / Beta-ketoacyl synthase, active site / Ketosynthase family 3 (KS3) active site signature. / Beta-ketoacyl synthase / Ketosynthase family 3 (KS3) domain profile. / Beta-ketoacyl synthase, N-terminal / Beta-ketoacyl synthase, C-terminal ...3-oxoacyl-[acyl-carrier-protein] synthase 2 / Beta-ketoacyl synthase / Thiolase/Chalcone synthase / Peroxisomal Thiolase; Chain A, domain 1 / Beta-ketoacyl synthase, active site / Ketosynthase family 3 (KS3) active site signature. / Beta-ketoacyl synthase / Ketosynthase family 3 (KS3) domain profile. / Beta-ketoacyl synthase, N-terminal / Beta-ketoacyl synthase, C-terminal / Polyketide synthase, beta-ketoacyl synthase domain / Beta-ketoacyl synthase, N-terminal domain / Beta-ketoacyl synthase, C-terminal domain / Thiolase-like / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
: / 3-oxoacyl-[acyl-carrier-protein] synthase 2 / 3-oxoacyl-[acyl-carrier-protein] synthase 2
Similarity search - Component
Biological speciesPSEUDOMONAS AERUGINOSA (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.73 Å
AuthorsLecker, L. / Baum, B. / Zoltner, M. / Hunter, W.N.
CitationJournal: Acta Crystallogr.,Sect.F / Year: 2015
Title: Structures of Pseudomonas Aeruginosa Beta-Keto-Acyl-(Acyl-Carrier-Protein) Synthase II (Fabf) and a C164Q Mutant Provide Templates for Antibacterial Drug Discovery and Identify a Buried ...Title: Structures of Pseudomonas Aeruginosa Beta-Keto-Acyl-(Acyl-Carrier-Protein) Synthase II (Fabf) and a C164Q Mutant Provide Templates for Antibacterial Drug Discovery and Identify a Buried Potassium Ion and a Ligand-Binding Site that is an Artefact of the Crystal Form
Authors: Baum, B. / Lecker, L.S.M. / Zoltner, M. / Jaenicke, E. / Schnell, R. / Hunter, W.N. / Brenk, R.
History
DepositionAug 22, 2012Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 4, 2013Provider: repository / Type: Initial release
Revision 1.1Aug 5, 2015Group: Database references
Revision 1.2Aug 12, 2015Group: Database references
Revision 1.3Aug 19, 2015Group: Database references
Revision 1.4Jun 28, 2017Group: Data collection / Category: diffrn_source / Item: _diffrn_source.type
Revision 1.5Dec 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / 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 / pdbx_struct_conn_angle / struct_conn / struct_sheet / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_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_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_conn.ptnr2_label_seq_id / _struct_sheet.number_strands / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Remark 650 HELIX DETERMINATION METHOD: AUTHOR PROVIDED.
Remark 700 SHEET DETERMINATION METHOD: AUTHOR PROVIDED.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 2
B: 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)92,2844
Polymers92,2062
Non-polymers782
Water11,349630
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6180 Å2
ΔGint-54.7 kcal/mol
Surface area25210 Å2
MethodPISA
Unit cell
Length a, b, c (Å)71.790, 65.860, 84.760
Angle α, β, γ (deg.)90.00, 101.92, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 2 / BETA-KETOACYL-ACYL-CARRIER-PROTEIN SYNTHASE II


Mass: 46102.750 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) PSEUDOMONAS AERUGINOSA (bacteria) / Strain: PAO1 / Plasmid: PNIC-BSA4 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): PLYSS
References: UniProt: O54440, UniProt: G3XDA2*PLUS, beta-ketoacyl-[acyl-carrier-protein] synthase II
#2: Chemical ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: K
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 630 / 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: 43.58 % / Description: NONE
Crystal growpH: 7
Details: 0.2 M MAGNESIUM CHLORIDE, 0.1 M TRIS PH 7.0, 10% (W/V) PEG8000

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Data collection

DiffractionMean temperature: 293.15 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.5418
DetectorType: RIGAKU SATURN 944+ HG / Detector: CCD / Date: May 30, 2012
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.73→48.85 Å / Num. obs: 76169 / % possible obs: 94.2 % / Observed criterion σ(I): 0 / Redundancy: 4.5 % / Biso Wilson estimate: 19.5 Å2 / Rmerge(I) obs: 0.04 / Net I/σ(I): 20.8
Reflection shellResolution: 1.73→1.77 Å / Redundancy: 1.3 % / Rmerge(I) obs: 0.26 / Mean I/σ(I) obs: 2.3 / % possible all: 59.7

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Processing

Software
NameVersionClassification
REFMAC5.6.0117refinement
XDSdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2GFW

2gfw


Resolution: 1.73→48.85 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.947 / SU B: 2.408 / SU ML: 0.078 / Cross valid method: THROUGHOUT / ESU R: 0.131 / ESU R Free: 0.119 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.21098 3824 5 %RANDOM
Rwork0.1805 ---
obs0.18205 72328 94.19 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 22.24 Å2
Baniso -1Baniso -2Baniso -3
1-1.27 Å20 Å20.78 Å2
2---0.09 Å20 Å2
3----0.85 Å2
Refinement stepCycle: LAST / Resolution: 1.73→48.85 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6051 0 2 630 6683
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.0196727
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.0771.9629187
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.4265965
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.21422.427309
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.739151135
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.6451578
X-RAY DIFFRACTIONr_chiral_restr0.080.21001
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.0215312
X-RAY DIFFRACTIONr_gen_planes_other
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_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
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: 1.73→1.775 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.294 159 -
Rwork0.27 3311 -
obs--58.87 %

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