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- PDB-4muh: Crystal structure of pantothenate synthetase in complex with 2-(2... -

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Basic information

Entry
Database: PDB / ID: 4muh
TitleCrystal structure of pantothenate synthetase in complex with 2-(2-(5-acetamido-1,3,4-thiadiazol-2-ylsulfonylcarbamoyl)-5-methoxy-1H-indol-1-yl)acetic acid
ComponentsPantothenate synthetase
Keywordsligase/ligase inhibitor / Alpha Beta 3-Layer(aba) Sandwich Rossmann fold / Pantoate-ligase / ATP binding / ligase-ligase inhibitor complex
Function / homology
Function and homology information


beta-alanine metabolic process / pantoate-beta-alanine ligase (AMP-forming) / pantoate-beta-alanine ligase activity / pantothenate biosynthetic process / manganese ion binding / magnesium ion binding / ATP binding / metal ion binding / cytoplasm / cytosol
Similarity search - Function
Pantoate-beta-alanine ligase, C-terminal domain / Pantoate-beta-alanine ligase / Pantoate-beta-alanine ligase, C-terminal domain / Pantoate-beta-alanine ligase / Pantoate--beta-alanine Ligase; Chain: A,domain 2 / HUPs / Rossmann-like alpha/beta/alpha sandwich fold / Rossmann fold / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-2DN / ETHANOL / Pantothenate synthetase / Pantothenate synthetase
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.72 Å
AuthorsSilvestre, H.L. / Blundell, T.L.
CitationJournal: Chemmedchem / Year: 2016
Title: Optimization of Inhibitors of Mycobacterium tuberculosis Pantothenate Synthetase Based on Group Efficiency Analysis.
Authors: Hung, A.W. / Silvestre, H.L. / Wen, S. / George, G.P. / Boland, J. / Blundell, T.L. / Ciulli, A. / Abell, C.
History
DepositionSep 21, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 27, 2014Provider: repository / Type: Initial release
Revision 1.1Nov 23, 2016Group: Database references
Revision 1.2Sep 20, 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 / 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 / _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

Downloads & links

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Assembly

Deposited unit
A: Pantothenate synthetase
B: Pantothenate synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)65,04117
Polymers63,0002
Non-polymers2,04115
Water6,792377
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: Pantothenate synthetase
hetero molecules

B: Pantothenate synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)65,04117
Polymers63,0002
Non-polymers2,04115
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation1_554x,y,z-11
Buried area3050 Å2
ΔGint12 kcal/mol
Surface area25110 Å2
MethodPISA
Unit cell
Length a, b, c (Å)48.410, 71.070, 81.640
Angle α, β, γ (deg.)90.00, 98.91, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Pantothenate synthetase / PS / Pantoate--beta-alanine ligase / Pantoate-activating enzyme


Mass: 31500.100 Da / Num. of mol.: 2 / Mutation: T2A, E77G
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Gene: MT3707, MTCY07H7B.20, panC, Rv3602c / Plasmid: pET30b / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta2
References: UniProt: P0A5R0, UniProt: P9WIL5*PLUS, pantoate-beta-alanine ligase (AMP-forming)
#2: Chemical
ChemComp-EOH / ETHANOL


Mass: 46.068 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H6O
#3: Chemical ChemComp-2DN / [2-({[5-(acetylamino)-1,3,4-thiadiazol-2-yl]sulfonyl}carbamoyl)-5-methoxy-1H-indol-1-yl]acetic acid


Mass: 453.450 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C16H15N5O7S2
#4: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C2H6O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 377 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.2 Å3/Da / Density % sol: 44.15 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 11-14% w/v PEG3000, 150 mM lithium sulfate, 100 mM imidazole, 2% v/v ethanol, 10% v/v glycerol, 20 mM magnesium chloride , pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06DA / Wavelength: 0.97 Å
DetectorType: MARMOSAIC 325 mm CCD / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97 Å / Relative weight: 1
ReflectionResolution: 1.72→28.61 Å / Num. all: 210679 / Num. obs: 57664 / % possible obs: 100 % / Redundancy: 3.7 % / Biso Wilson estimate: 20.77 Å2 / Rmerge(I) obs: 0.072 / Net I/σ(I): 12.8
Reflection shellResolution: 1.72→1.81 Å / Redundancy: 3.6 % / Rmerge(I) obs: 0.555 / Mean I/σ(I) obs: 2 / Num. unique all: 30188 / % possible all: 100

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Processing

Software
NameVersionClassification
MAR345dtbdata collection
AMoREphasing
REFMAC5.5.0102refinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: pdb entry 3LE8

3le8


Resolution: 1.72→28 Å / Cor.coef. Fo:Fc: 0.966 / Cor.coef. Fo:Fc free: 0.943 / SU B: 2.306 / SU ML: 0.075 / Cross valid method: THROUGHOUT / ESU R: 0.106 / ESU R Free: 0.109 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.21299 2949 5.1 %RANDOM
Rwork0.16793 ---
obs0.17019 55150 99.97 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 23.595 Å2
Baniso -1Baniso -2Baniso -3
1-0.77 Å20 Å2-0.04 Å2
2--0.37 Å20 Å2
3----1.15 Å2
Refinement stepCycle: LAST / Resolution: 1.72→28 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4123 0 134 377 4634
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0280.0224440
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg2.1122.0116071
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.1055585
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.19722.749171
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.50115654
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.9351544
X-RAY DIFFRACTIONr_chiral_restr0.170.2712
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0213420
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_it1.3941.52887
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.33624638
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it3.59431553
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it5.7744.51431
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: 1.72→1.765 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.3 211 -
Rwork0.272 4044 -
obs--100 %

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