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- PDB-6vs9: Mycobacterium tuberculosis dihydrofolate reductase in complex wit... -

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Basic information

Entry
Database: PDB / ID: 6vs9
TitleMycobacterium tuberculosis dihydrofolate reductase in complex with 3-(piperidin-1-ylmethyl)benzoic acid(fragment 11)
ComponentsDihydrofolate reductase
KeywordsBIOSYNTHETIC PROTEIN / folate pathway
Function / homology
Function and homology information


dihydrofolate reductase / dihydrofolate reductase activity / tetrahydrofolate biosynthetic process / one-carbon metabolic process / NADP binding
Similarity search - Function
Dihydrofolate Reductase, subunit A / Dihydrofolate Reductase, subunit A / Dihydrofolate reductase / Dihydrofolate reductase conserved site / Dihydrofolate reductase (DHFR) domain signature. / Dihydrofolate reductase domain / Dihydrofolate reductase / Dihydrofolate reductase (DHFR) domain profile. / Dihydrofolate reductase-like domain superfamily / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
: / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / PHOSPHATE ION / 3-[(piperidin-1-yl)methyl]benzoic acid / Dihydrofolate reductase
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.842 Å
AuthorsRibeiro, J.A. / Dias, M.V.B.
Funding support Brazil, 1items
OrganizationGrant numberCountry
Sao Paulo Research Foundation (FAPESP)2018/00351-1 Brazil
CitationJournal: Acs Infect Dis. / Year: 2020
Title: Using a Fragment-Based Approach to Identify Alternative Chemical Scaffolds Targeting Dihydrofolate Reductase fromMycobacterium tuberculosis.
Authors: Ribeiro, J.A. / Hammer, A. / Libreros-Zuniga, G.A. / Chavez-Pacheco, S.M. / Tyrakis, P. / de Oliveira, G.S. / Kirkman, T. / El Bakali, J. / Rocco, S.A. / Sforca, M.L. / Parise-Filho, R. / ...Authors: Ribeiro, J.A. / Hammer, A. / Libreros-Zuniga, G.A. / Chavez-Pacheco, S.M. / Tyrakis, P. / de Oliveira, G.S. / Kirkman, T. / El Bakali, J. / Rocco, S.A. / Sforca, M.L. / Parise-Filho, R. / Coyne, A.G. / Blundell, T.L. / Abell, C. / Dias, M.V.B.
History
DepositionFeb 10, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 15, 2020Provider: repository / Type: Initial release
Revision 1.1Aug 26, 2020Group: Database references / Derived calculations
Category: citation / citation_author ...citation / citation_author / pdbx_struct_conn_angle / struct_conn
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.title / _citation_author.name / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _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.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr3_auth_asym_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.ptnr3_symmetry / _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_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry
Revision 1.2Oct 11, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _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: Dihydrofolate reductase
B: Dihydrofolate reductase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)38,30313
Polymers35,7872
Non-polymers2,51611
Water4,432246
1
A: Dihydrofolate reductase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)19,3529
Polymers17,8931
Non-polymers1,4598
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Dihydrofolate reductase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)18,9514
Polymers17,8931
Non-polymers1,0583
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5640 Å2
ΔGint-58 kcal/mol
Surface area14780 Å2
MethodPISA
Unit cell
Length a, b, c (Å)61.014, 70.581, 72.205
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Dihydrofolate reductase


Mass: 17893.293 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (strain ATCC 25177 / H37Ra) (bacteria)
Strain: ATCC 25177 / H37Ra / Gene: dfrA, MRA_2788 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: A5U6B6, dihydrofolate reductase

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Non-polymers , 7 types, 257 molecules

#2: Chemical ChemComp-RK4 / 3-[(piperidin-1-yl)methyl]benzoic acid


Mass: 219.280 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C13H17NO2 / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-NAP / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE


Mass: 743.405 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H28N7O17P3
#4: Chemical ChemComp-CO / COBALT (II) ION


Mass: 58.933 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Co
#5: Chemical ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: PO4
#6: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#7: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#8: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 246 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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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: 2.17 Å3/Da / Density % sol: 43.38 %
Crystal growTemperature: 297 K / Method: vapor diffusion, hanging drop
Details: 1.6 M ammonium sulfate, 100 mM MES (2-(N-morpholino) ethanesulfonic acid), pH 6.5, 10 mM CoCl2

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: LNLS / Beamline: W01B-MX2 / Wavelength: 1.4 Å
DetectorType: DECTRIS PILATUS 2M / Detector: PIXEL / Date: Mar 23, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.4 Å / Relative weight: 1
ReflectionResolution: 1.84→46.6 Å / Num. obs: 27501 / % possible obs: 99.5 % / Redundancy: 12.3 % / CC1/2: 0.999 / Rmerge(I) obs: 0.109 / Rpim(I) all: 0.032 / Rrim(I) all: 0.114 / Net I/σ(I): 17.7 / Num. measured all: 337371
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. measured allNum. unique obsCC1/2Rpim(I) allRrim(I) allNet I/σ(I) obs% possible all
1.84-1.889.51.1791467215440.7490.3941.2472.193.4
9.02-46.69.90.03828532870.9990.0120.0452.499.5

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Processing

Software
NameVersionClassification
Aimless0.5.27data scaling
PHENIX1.14refinement
PDB_EXTRACT3.25data extraction
XDSdata reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1df7

1df7


Resolution: 1.842→35.291 Å / SU ML: 0.19 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 21.18
RfactorNum. reflection% reflection
Rfree0.2077 1392 5.07 %
Rwork0.1797 --
obs0.1812 27440 99.34 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 79.9 Å2 / Biso mean: 28.5454 Å2 / Biso min: 12.04 Å2
Refinement stepCycle: final / Resolution: 1.842→35.291 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2484 0 156 246 2886
Biso mean--33.7 35.25 -
Num. residues----318
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0072711
X-RAY DIFFRACTIONf_angle_d1.1153705
X-RAY DIFFRACTIONf_chiral_restr0.057388
X-RAY DIFFRACTIONf_plane_restr0.006466
X-RAY DIFFRACTIONf_dihedral_angle_d18.2461538
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork% reflection obs (%)
1.842-1.90790.26841260.2578247695
1.9079-1.98420.23841470.2182254599
1.9842-2.07450.25581520.20792551100
2.0745-2.18390.25291280.19262601100
2.1839-2.32070.20761380.18452579100
2.3207-2.49980.20171520.18162577100
2.4998-2.75130.22851500.18012617100
2.7513-3.14920.21361090.17892664100
3.1492-3.96680.19591540.16422638100
3.9668-35.290.17781360.1662800100

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