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- PDB-4amo: Crystal Structure of the Acyltransferase Domain of the Iterative ... -

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Basic information

Entry
Database: PDB / ID: 4amo
TitleCrystal Structure of the Acyltransferase Domain of the Iterative Polyketide Synthase in Enediyne Biosynthesis Reveals the Molecular Basis of Substrate Specificity
ComponentsDYNE8
KeywordsTRANSFERASE / ENEDIYNE / DYNEMICIN
Function / homology
Function and homology information


DIM/DIP cell wall layer assembly / fatty acid synthase activity / fatty acid biosynthetic process / plasma membrane / cytoplasm
Similarity search - Function
Malonyl-Coenzyme A Acyl Carrier Protein, domain 2 / Malonyl-Coenzyme A Acyl Carrier Protein; domain 2 / : / : / Polyketide synthase dehydratase domain / : / Polyketide and metazoan fatty acid synthase dehydratase (PKS/mFAS DH) domain profile. / Polyketide synthase dehydratase N-terminal domain / PKS_DH / Polyketide synthase, dehydratase domain ...Malonyl-Coenzyme A Acyl Carrier Protein, domain 2 / Malonyl-Coenzyme A Acyl Carrier Protein; domain 2 / : / : / Polyketide synthase dehydratase domain / : / Polyketide and metazoan fatty acid synthase dehydratase (PKS/mFAS DH) domain profile. / Polyketide synthase dehydratase N-terminal domain / PKS_DH / Polyketide synthase, dehydratase domain / Polyketide synthase, dehydratase domain superfamily / Polyketide synthase, ketoreductase domain / KR domain / Malonyl-CoA ACP transacylase, ACP-binding / Polyketide synthase, C-terminal extension / Ketoacyl-synthetase C-terminal extension / PKS_KR / Acyl transferase domain superfamily / Acyl transferase / Acyl transferase domain / Acyl transferase domain in polyketide synthase (PKS) enzymes. / Acyl transferase/acyl hydrolase/lysophospholipase / Ketosynthase family 3 (KS3) domain profile. / Beta-ketoacyl synthase / Polyketide synthase, beta-ketoacyl synthase domain / Beta-ketoacyl synthase, N-terminal / Beta-ketoacyl synthase, C-terminal / Beta-ketoacyl synthase, N-terminal domain / Beta-ketoacyl synthase, C-terminal domain / Thiolase-like / Phosphopantetheine attachment site / ACP-like superfamily / Carrier protein (CP) domain profile. / Phosphopantetheine binding ACP domain / NAD(P)-binding domain superfamily / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Biological speciesMICROMONOSPORA CHERSINA (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.9 Å
AuthorsLiew, C.W. / Lescar, J.
Citation
Journal: J.Biol.Chem. / Year: 2012
Title: Crystal Structure of the Acyltransferase Domain of the Iterative Polyketide Synthase in Enediyne Biosynthesis.
Authors: Liew, C.W. / Nilsson, M. / Chen, M.W. / Sun, H. / Cornvik, T. / Liang, Z. / Lescar, J.
#1: Journal: Nat.Prod.Rep. / Year: 2010
Title: Complexity and Simplicity in the Biosynthesis of Enediyne Natural Products.
Authors: Liang, Z.X.
History
DepositionMar 13, 2012Deposition site: PDBE / Processing site: PDBE
Revision 1.0May 23, 2012Provider: repository / Type: Initial release
Revision 1.1May 30, 2012Group: Other
Revision 1.2Jul 25, 2012Group: Database references
Revision 1.3Dec 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 / 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 / _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: DYNE8
hetero molecules


Theoretical massNumber of molelcules
Total (without water)43,0933
Polymers42,9731
Non-polymers1202
Water3,423190
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)66.045, 66.400, 85.987
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 DYNE8 / ACYLTRANSFERASE / PKSE


Mass: 42972.590 Da / Num. of mol.: 1 / Fragment: AT DOMAIN, RESIDUES 473 - 893
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) MICROMONOSPORA CHERSINA (bacteria) / Plasmid: PNIC28-BSA4-DYNE8-MICCE-EC019 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): ROSETTA T1R / References: UniProt: Q84HI8
#2: Chemical ChemComp-ACY / ACETIC ACID


Mass: 60.052 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H4O2
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 190 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsCODON OPTIMIZED FOR E.COLI EXPRESSION SYSTEM

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 5

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Sample preparation

CrystalDensity Matthews: 2.07 Å3/Da / Density % sol: 40.57 %
Crystal growpH: 8 / Details: 0.1 M TRIS-CL PH 8.0, 30% PEG 6000

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Data collection

DiffractionMean temperature: 287 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06SA / Wavelength: 1.072
DetectorType: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: Apr 13, 2011 / Details: COLLIMATOR
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.072 Å / Relative weight: 1
ReflectionResolution: 1.9→29.7 Å / Num. obs: 30505 / % possible obs: 100 % / Observed criterion σ(I): 2 / Redundancy: 10.2 % / Rmerge(I) obs: 0.08 / Net I/σ(I): 20.5
Reflection shellResolution: 1.9→1.9 Å / Redundancy: 10.2 % / Rmerge(I) obs: 0.43 / Mean I/σ(I) obs: 5.1 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.5.0109refinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: PDB ENTRY 4AMM
Resolution: 1.9→29.66 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.941 / SU B: 2.94 / SU ML: 0.089 / Cross valid method: THROUGHOUT / ESU R: 0.14 / ESU R Free: 0.133 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. RESIDUES FROM 586 TO 615 ARE ABSENT FROM THE MODEL OWING TO POOR ELECTRON DENSITY.
RfactorNum. reflection% reflectionSelection details
Rfree0.21835 1538 5.1 %RANDOM
Rwork0.17778 ---
obs0.1798 28904 99.99 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 28.16 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3----0.01 Å2
Refinement stepCycle: LAST / Resolution: 1.9→29.66 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2640 0 8 190 2838
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0230.0212733
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.9431.9723734
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.0935381
X-RAY DIFFRACTIONr_dihedral_angle_2_deg27.3620.962104
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.92615385
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.2791536
X-RAY DIFFRACTIONr_chiral_restr0.1450.2439
X-RAY DIFFRACTIONr_gen_planes_refined0.010.0212112
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_refined0.1510.2145
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.3650.257
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1780.235
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.3281.51854
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.32122908
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it3.9473879
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it6.2754.5820
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: 1.9→1.949 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.278 106 -
Rwork0.217 2100 -
obs--100 %

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