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- PDB-4kot: Crystal structure of a GNAT superfamily acetyltransferase PA4794 ... -

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Basic information

Entry
Database: PDB / ID: 4kot
TitleCrystal structure of a GNAT superfamily acetyltransferase PA4794 in complex with Cefotaxime
ComponentsUncharacterized protein
KeywordsTRANSFERASE / Structural Genomics / PSI-Biology / Midwest Center for Structural Genomics / MCSG
Function / homology
Function and homology information


N-acetyltransferase activity / metal ion binding
Similarity search - Function
: / Acetyltransferase (GNAT) family / Gcn5-related N-acetyltransferase (GNAT) / Gcn5-related N-acetyltransferase (GNAT) domain profile. / GNAT domain / Acyl-CoA N-acyltransferase / Aminopeptidase / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-CE3 / N-acetyltransferase domain-containing protein
Similarity search - Component
Biological speciesPseudomonas aeruginosa (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.55 Å
AuthorsMajorek, K.A. / Chruszcz, M. / Joachimiak, A. / Minor, W. / Midwest Center for Structural Genomics (MCSG)
CitationJournal: J.Biol.Chem. / Year: 2013
Title: Structural, Functional, and Inhibition Studies of a Gcn5-related N-Acetyltransferase (GNAT) Superfamily Protein PA4794: A NEW C-TERMINAL LYSINE PROTEIN ACETYLTRANSFERASE FROM PSEUDOMONAS AERUGINOSA.
Authors: Majorek, K.A. / Kuhn, M.L. / Chruszcz, M. / Anderson, W.F. / Minor, W.
History
DepositionMay 12, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 5, 2013Provider: repository / Type: Initial release
Revision 1.1Sep 18, 2013Group: Database references
Revision 1.2Nov 13, 2013Group: Database references
Revision 1.3Nov 15, 2017Group: Refinement description / Category: software
Revision 1.4Apr 13, 2022Group: Database references / Derived calculations / Structure summary
Category: audit_author / chem_comp ...audit_author / chem_comp / citation_author / database_2 / entity / pdbx_entity_nonpoly / struct_ref_seq_dif / struct_site
Item: _audit_author.identifier_ORCID / _chem_comp.name ..._audit_author.identifier_ORCID / _chem_comp.name / _citation_author.identifier_ORCID / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Sep 20, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Uncharacterized protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)19,15111
Polymers18,0011
Non-polymers1,15010
Water3,387188
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)58.750, 76.296, 39.298
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein Uncharacterized protein


Mass: 18000.600 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas aeruginosa (bacteria) / Strain: PAO1 / Gene: PA4794 / Plasmid: p11 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 (DE3) RIL / References: UniProt: Q9HV14
#2: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: SO4
#3: Chemical ChemComp-CE3 / (6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyimino-ethanoyl]amino]-8-oxo-5-thia-1-azabicy clo[4.2.0]oct-2-ene-2-carboxylic acid / CEFOTAXIME


Mass: 455.465 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C16H17N5O7S2
#4: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C2H6O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 188 / 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: 2.45 Å3/Da / Density % sol: 49.72 %
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 2M ammonium sulfate, 0.1M Bis-Tris pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-G / Wavelength: 0.97856 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Feb 8, 2013 / Details: Beryllium Lenses
RadiationMonochromator: Diamond 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97856 Å / Relative weight: 1
ReflectionResolution: 1.55→50 Å / Num. all: 26238 / Num. obs: 26238 / % possible obs: 99.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 5.7 % / Biso Wilson estimate: 23.3 Å2 / Rmerge(I) obs: 0.039 / Rsym value: 0.039 / Net I/σ(I): 43.9
Reflection shellResolution: 1.55→1.58 Å / Redundancy: 5.6 % / Rmerge(I) obs: 0.625 / Mean I/σ(I) obs: 2.4 / Num. unique all: 1269 / Rsym value: 0.625 / % possible all: 98.9

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Processing

Software
NameVersionClassification
HKL-3000MOLREPphasing
REFMAC5.7.0029refinement
Cootmodel building
HKL-3000data reduction
HKL-3000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2i6c

2i6c
PDB Unreleased entry


Resolution: 1.55→32.69 Å / Cor.coef. Fo:Fc: 0.975 / Cor.coef. Fo:Fc free: 0.966 / SU B: 1.353 / SU ML: 0.049 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.072 / ESU R Free: 0.075 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.18975 1327 5.1 %RANDOM
Rwork0.15664 ---
all0.15831 24869 --
obs0.15831 24869 99.6 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 26.981 Å2
Baniso -1Baniso -2Baniso -3
1-1.06 Å20 Å2-0 Å2
2---1.09 Å2-0 Å2
3---0.03 Å2
Refinement stepCycle: LAST / Resolution: 1.55→32.69 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1239 0 70 188 1497
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.020.0191415
X-RAY DIFFRACTIONr_bond_other_d0.0020.021330
X-RAY DIFFRACTIONr_angle_refined_deg1.9921.9941922
X-RAY DIFFRACTIONr_angle_other_deg0.92133040
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.3915176
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.67722.89969
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.87715222
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.5541515
X-RAY DIFFRACTIONr_chiral_restr0.120.2200
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0211636
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02352
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_scbond_it
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.551→1.592 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.233 95 -
Rwork0.223 1785 -
obs-1785 98.69 %

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