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

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Basic information

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


fatty acid synthase activity / fatty acid biosynthetic process
Similarity search - Function
Malonyl-Coenzyme A Acyl Carrier Protein, domain 2 / Malonyl-Coenzyme A Acyl Carrier Protein; domain 2 / : / Polyketide synthase dehydratase N-terminal domain / Polyketide synthase, dehydratase domain / PKS_DH / : / Polyketide synthase dehydratase domain / : / Polyketide and metazoan fatty acid synthase dehydratase (PKS/mFAS DH) domain profile. ...Malonyl-Coenzyme A Acyl Carrier Protein, domain 2 / Malonyl-Coenzyme A Acyl Carrier Protein; domain 2 / : / Polyketide synthase dehydratase N-terminal domain / Polyketide synthase, dehydratase domain / PKS_DH / : / Polyketide synthase dehydratase domain / : / Polyketide and metazoan fatty acid synthase dehydratase (PKS/mFAS DH) domain profile. / Polyketide synthase, dehydratase domain superfamily / Polyketide synthase, C-terminal extension / Ketoacyl-synthetase C-terminal extension / Polyketide synthase, ketoreductase domain / KR domain / Malonyl-CoA ACP transacylase, ACP-binding / : / Acyl transferase / Acyl transferase domain / Acyl transferase domain in polyketide synthase (PKS) enzymes. / Acyl transferase domain superfamily / Acyl transferase/acyl hydrolase/lysophospholipase / PKS_KR / 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 / 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 / MOLECULAR REPLACEMENT / Resolution: 1.5 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 1.1Jul 25, 2012Group: Database references
Revision 1.2Dec 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)43,1644
Polymers42,9451
Non-polymers2203
Water6,593366
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)65.831, 66.368, 85.466
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 / PKSE


Mass: 42944.539 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) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): ROSETTA T1R / References: UniProt: Q84HI8
#2: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#3: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 366 / 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: 5

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Sample preparation

CrystalDensity Matthews: 2.05 Å3/Da / Density % sol: 39.99 %
Crystal growpH: 8.5 / 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: X06DA / Wavelength: 1
DetectorType: MARRESEARCH / Detector: CCD / Date: Apr 13, 2011 / Details: COLLIMATOR
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.5→18.8 Å / Num. obs: 54690 / % possible obs: 91 % / Observed criterion σ(I): 2 / Redundancy: 4.4 % / Rmerge(I) obs: 0.07 / Net I/σ(I): 11
Reflection shellResolution: 1.5→1.5 Å / Redundancy: 4.4 % / Rmerge(I) obs: 0.35 / Mean I/σ(I) obs: 3.5 / % possible all: 96.5

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Processing

Software
NameVersionClassification
REFMAC5.5.0109refinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 4AMM

4amm


Resolution: 1.5→52.42 Å / Cor.coef. Fo:Fc: 0.93 / Cor.coef. Fo:Fc free: 0.899 / SU B: 1.25 / SU ML: 0.048 / Cross valid method: THROUGHOUT / ESU R: 0.09 / ESU R Free: 0.092 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.23598 2747 5.1 %RANDOM
Rwork0.20113 ---
obs0.20289 51503 89.49 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 18.129 Å2
Baniso -1Baniso -2Baniso -3
1-0.64 Å20 Å20 Å2
2--0.16 Å20 Å2
3----0.8 Å2
Refinement stepCycle: LAST / Resolution: 1.5→52.42 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2732 0 13 366 3111
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0230.0212824
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg2.0311.9743855
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.9585392
X-RAY DIFFRACTIONr_dihedral_angle_2_deg29.33421.204108
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.64915396
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.7941536
X-RAY DIFFRACTIONr_chiral_restr0.1350.2453
X-RAY DIFFRACTIONr_gen_planes_refined0.0120.0212174
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_refined0.2610.259
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.250.223
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.3631.51915
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.18322999
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it3.3143909
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it5.3824.5851
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: 1.5→1.539 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.297 201 -
Rwork0.276 4055 -
obs--96.42 %

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