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- PDB-4n93: Alternative substrates of Mycobacterium tuberculosis anthranilate... -

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Basic information

Entry
Database: PDB / ID: 4n93
TitleAlternative substrates of Mycobacterium tuberculosis anthranilate phosphoribosyl transferase
ComponentsAnthranilate phosphoribosyltransferase
KeywordsTRANSFERASE / Anthranilate Phosphoribosyltransferase / Anthranilic Acids / Magnesium / Tryptophan / Inhibitor / Magnesium binding Phosphoribosyl pyrophosphate
Function / homology
Function and homology information


anthranilate phosphoribosyltransferase / anthranilate phosphoribosyltransferase activity / L-tryptophan biosynthetic process / magnesium ion binding / extracellular region / plasma membrane / cytosol
Similarity search - Function
Anthranilate phosphoribosyl transferase / Transferase, Pyrimidine Nucleoside Phosphorylase; Chain C / Transferase, Pyrimidine Nucleoside Phosphorylase; Chain A, domain 3 / Pyrimidine Nucleoside Phosphorylase; Chain A, domain 2 / Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain / Glycosyl transferase family 3, N-terminal domain / Glycosyl transferase family 3, N-terminal domain superfamily / Glycosyl transferase family, helical bundle domain / Glycosyl transferase, family 3 / Glycosyl transferase family, a/b domain ...Anthranilate phosphoribosyl transferase / Transferase, Pyrimidine Nucleoside Phosphorylase; Chain C / Transferase, Pyrimidine Nucleoside Phosphorylase; Chain A, domain 3 / Pyrimidine Nucleoside Phosphorylase; Chain A, domain 2 / Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain / Glycosyl transferase family 3, N-terminal domain / Glycosyl transferase family 3, N-terminal domain superfamily / Glycosyl transferase family, helical bundle domain / Glycosyl transferase, family 3 / Glycosyl transferase family, a/b domain / Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain superfamily / Up-down Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
2-amino-6-methylbenzoic acid / Chem-PRP / Anthranilate phosphoribosyltransferase / Anthranilate phosphoribosyltransferase
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.03 Å
AuthorsCastell, A. / Short, F.L. / Lott, J.S.
CitationJournal: Biochem.J. / Year: 2014
Title: Alternative substrates reveal catalytic cycle and key binding events in the reaction catalysed by anthranilate phosphoribosyltransferase from Mycobacterium tuberculosis.
Authors: Cookson, T.V. / Castell, A. / Bulloch, E.M. / Evans, G.L. / Short, F.L. / Baker, E.N. / Lott, J.S. / Parker, E.J.
History
DepositionOct 19, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 23, 2014Provider: repository / Type: Initial release
Revision 1.1May 21, 2014Group: Database references
Revision 1.2Jul 2, 2014Group: Database references
Revision 1.3Dec 17, 2014Group: Data collection
Revision 1.4Jul 29, 2020Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _chem_comp.mon_nstd_flag / _chem_comp.name ..._chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_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_asym_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_asym_id / _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_asym_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_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.5Feb 28, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Anthranilate phosphoribosyltransferase
B: Anthranilate phosphoribosyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)79,15613
Polymers77,5822
Non-polymers1,57411
Water9,818545
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3850 Å2
ΔGint-87 kcal/mol
Surface area25290 Å2
MethodPISA
Unit cell
Length a, b, c (Å)79.572, 92.161, 121.424
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121
Detailsbiological unit is the same as asym.

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Components

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Protein / Sugars , 2 types, 4 molecules AB

#1: Protein Anthranilate phosphoribosyltransferase


Mass: 38790.848 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Gene: MT2248, MTCY190.03c, Rv2192c, trpD / Plasmid: pET23a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: P66992, UniProt: P9WFX5*PLUS, anthranilate phosphoribosyltransferase
#5: Sugar ChemComp-PRP / 1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose / ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID / 1-O-pyrophosphono-5-O-phosphono-alpha-D-ribose / 1-O-pyrophosphono-5-O-phosphono-D-ribose / 1-O-pyrophosphono-5-O-phosphono-ribose


Type: D-saccharide / Mass: 390.070 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C5H13O14P3
IdentifierTypeProgram
a-D-Ribf1PO35PO3IUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0

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Non-polymers , 4 types, 554 molecules

#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#3: Chemical
ChemComp-6M1 / 2-amino-6-methylbenzoic acid


Mass: 151.163 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C8H9NO2
#4: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 545 / 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: 2.87 Å3/Da / Density % sol: 57.13 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 0.1 M imidazole/malate, 7.5% PEG4000, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX2 / Wavelength: 0.95369 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Feb 13, 2010
RadiationMonochromator: Silicon double crystal Reflections / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.95369 Å / Relative weight: 1
ReflectionResolution: 2.03→121.424 Å / Num. all: 58284 / Num. obs: 58284 / % possible obs: 100 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 7.3 % / Biso Wilson estimate: 23.9 Å2 / Rmerge(I) obs: 0.105 / Rsym value: 0.09 / Net I/σ(I): 17.2
Reflection shell

Diffraction-ID: 1 / % possible all: 100

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured allNum. unique allRsym value
2.03-2.147.30.4951.56151084100.495
2.14-2.277.30.33125806879370.331
2.27-2.437.40.2323.35520274840.232
2.43-2.627.40.1734.55150469860.173
2.62-2.877.30.1256.14723164580.125
2.87-3.217.30.0819.34276758550.081
3.21-3.717.20.05213.43738652100.052
3.71-4.547.10.03917.33132844210.039
4.54-6.4370.03718.22443934890.037
6.43-121.4246.80.027221378720340.027

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
MOSFLMdata reduction
SCALA3.3.15data scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACT3.11data extraction
DNAdata collection
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.03→73.41 Å / Cor.coef. Fo:Fc: 0.951 / Cor.coef. Fo:Fc free: 0.932 / WRfactor Rfree: 0.2 / WRfactor Rwork: 0.1627 / Occupancy max: 1 / Occupancy min: 0.5 / FOM work R set: 0.874 / SU B: 3.431 / SU ML: 0.096 / SU R Cruickshank DPI: 0.1546 / SU Rfree: 0.1464 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 4 / ESU R: 0.155 / ESU R Free: 0.146 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.221 2951 5.1 %RANDOM
Rwork0.1792 ---
obs0.1813 58207 99.98 %-
all-58284 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso max: 56.05 Å2 / Biso mean: 23.8943 Å2 / Biso min: 9.42 Å2
Baniso -1Baniso -2Baniso -3
1--1.27 Å20 Å2-0 Å2
2--1.58 Å20 Å2
3----0.31 Å2
Refinement stepCycle: LAST / Resolution: 2.03→73.41 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5002 0 98 545 5645
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.0225219
X-RAY DIFFRACTIONr_angle_refined_deg1.4621.9697135
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.395696
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.77822.524206
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.62315730
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.2071552
X-RAY DIFFRACTIONr_chiral_restr0.10.2830
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0214014
X-RAY DIFFRACTIONr_mcbond_it0.831.53430
X-RAY DIFFRACTIONr_mcangle_it1.51525434
X-RAY DIFFRACTIONr_scbond_it2.52131789
X-RAY DIFFRACTIONr_scangle_it4.0564.51697
LS refinement shellResolution: 2.032→2.085 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.278 227 -
Rwork0.217 3994 -
all-4221 -
obs-3994 99.81 %

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