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- PDB-8f81: Crystal Structure of Dihydrofolate reductase (DHFR) from Mycobact... -

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Basic information

Entry
Database: PDB / ID: 8f81
TitleCrystal Structure of Dihydrofolate reductase (DHFR) from Mycobacterium ulcerans Agy99 in complex with NADP and inhibitor MAM777
ComponentsDihydrofolate reductase
KeywordsOXIDOREDUCTASE/INHIBITOR / SSGCID / STRUCTURAL GENOMICS / SEATTLE STRUCTURAL GENOMICS CENTER FOR INFECTIOUS DISEASE / OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex / OXIDOREDUCTASE / OXIDOREDUCTASE-INHIBITOR complex
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 / Dihydrofolate reductase conserved site / Dihydrofolate reductase (DHFR) domain signature. / Dihydrofolate reductase (DHFR) domain profile. / Dihydrofolate reductase domain / Dihydrofolate reductase / Dihydrofolate reductase-like domain superfamily
Similarity search - Domain/homology
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / Chem-XJN / Dihydrofolate reductase
Similarity search - Component
Biological speciesMycobacterium ulcerans (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.3 Å
AuthorsSeattle Structural Genomics Center for Infectious Disease / Seattle Structural Genomics Center for Infectious Disease (SSGCID)
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)75N93022C00036 United States
National Institutes of Health/Office of the DirectorS10OD030394 United States
CitationJournal: J.Med.Chem. / Year: 2024
Title: Rational Exploration of 2,4-Diaminopyrimidines as DHFR Inhibitors Active against Mycobacterium abscessus and Mycobacterium avium , Two Emerging Human Pathogens.
Authors: Andrade Meirelles, M. / Almeida, V.M. / Sullivan, J.R. / de Toledo, I. / Dos Reis, C.V. / Cunha, M.R. / Zigweid, R. / Shim, A. / Sankaran, B. / Woodward, E.L. / Seibold, S. / Liu, L. / Mian, ...Authors: Andrade Meirelles, M. / Almeida, V.M. / Sullivan, J.R. / de Toledo, I. / Dos Reis, C.V. / Cunha, M.R. / Zigweid, R. / Shim, A. / Sankaran, B. / Woodward, E.L. / Seibold, S. / Liu, L. / Mian, M.R. / Battaile, K.P. / Riley, J. / Duncan, C. / Simeons, F.R.C. / Ferguson, L. / Joji, H. / Read, K.D. / Lovell, S. / Staker, B.L. / Behr, M.A. / Pilli, R.A. / Counago, R.M.
History
DepositionNov 21, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 13, 2023Provider: repository / Type: Initial release
Revision 1.1Jun 19, 2024Group: Data collection / Category: diffrn / Item: _diffrn.ambient_temp
Revision 1.2Nov 6, 2024Group: Database references / Structure summary / Category: citation / citation_author / pdbx_entry_details
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Dihydrofolate reductase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,1823
Polymers19,0361
Non-polymers1,1462
Water3,099172
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)29.336, 70.622, 36.139
Angle α, β, γ (deg.)90.00, 111.46, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Dihydrofolate reductase


Mass: 19035.619 Da / Num. of mol.: 1 / Fragment: MyulA.01062.a.B13 / Mutation: C89S/E96A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium ulcerans (bacteria) / Strain: Agy99 / Gene: dfrA, MUL_2179 / Plasmid: MyulA.01062.a.B13 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0PQG8, dihydrofolate reductase
#2: Chemical ChemComp-NAP / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE


Mass: 743.405 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C21H28N7O17P3
#3: Chemical ChemComp-XJN / 3-(2-{3-[(2,4-diamino-6-pentylpyrimidin-5-yl)oxy]propoxy}phenyl)propanoic acid


Mass: 402.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C21H30N4O4 / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 172 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY
Has protein modificationN

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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: 1.83 Å3/Da / Density % sol: 32.8 %
Crystal growTemperature: 291 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: 20%(v/v) PEG 500 MME, 10%(w/v) PEG 20000, 100 mM HEPES/MOPS, pH 7.5, 20 mM D-Glucose, 20 mM D-Mannose, 20 mM D-Galactose, 20 mM L-Fucose, 20 mM D-Xylose and 20 mM N-Acetyl-D-Glucosamine, ...Details: 20%(v/v) PEG 500 MME, 10%(w/v) PEG 20000, 100 mM HEPES/MOPS, pH 7.5, 20 mM D-Glucose, 20 mM D-Mannose, 20 mM D-Galactose, 20 mM L-Fucose, 20 mM D-Xylose and 20 mM N-Acetyl-D-Glucosamine, MyulA.01062.a.B13.PS38558 at 10 mg/mL. Tray: Tray358B4 MAM777, Puck: PUCK HR00407 pin15, Cryo: Direct

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 8.2.2 / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS3 S 2M / Detector: PIXEL / Date: Sep 22, 2022
RadiationMonochromator: Double Crystal Si 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.3→70.62 Å / Num. obs: 32061 / % possible obs: 95.4 % / Redundancy: 4.9 % / CC1/2: 0.999 / Rmerge(I) obs: 0.038 / Rpim(I) all: 0.019 / Rrim(I) all: 0.043 / Χ2: 0.98 / Net I/σ(I): 20 / Num. measured all: 155673
Reflection shellResolution: 1.3→1.33 Å / % possible obs: 82 % / Redundancy: 4.3 % / Rmerge(I) obs: 0.533 / Num. measured all: 8898 / Num. unique obs: 2057 / CC1/2: 0.832 / Rpim(I) all: 0.281 / Rrim(I) all: 0.605 / Χ2: 0.97 / Net I/σ(I) obs: 2.6

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Processing

Software
NameVersionClassification
PHENIX1.20.1_4487refinement
Aimlessdata scaling
XDSdata reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.3→35.31 Å / SU ML: 0.13 / Cross valid method: FREE R-VALUE / σ(F): 1.37 / Phase error: 17.71 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.1721 1525 4.76 %
Rwork0.1395 --
obs0.1411 32028 95.13 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.3→35.31 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1252 0 77 172 1501
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0051498
X-RAY DIFFRACTIONf_angle_d0.8782068
X-RAY DIFFRACTIONf_dihedral_angle_d12.237608
X-RAY DIFFRACTIONf_chiral_restr0.073223
X-RAY DIFFRACTIONf_plane_restr0.01268
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.3-1.340.23331520.17852369X-RAY DIFFRACTION83
1.34-1.390.28651100.18222683X-RAY DIFFRACTION91
1.39-1.450.2321210.16822750X-RAY DIFFRACTION95
1.45-1.510.21551490.14592745X-RAY DIFFRACTION96
1.51-1.590.17961410.13092795X-RAY DIFFRACTION96
1.59-1.690.17931350.13352825X-RAY DIFFRACTION97
1.69-1.820.18151330.14432849X-RAY DIFFRACTION97
1.82-20.17831380.13082813X-RAY DIFFRACTION97
2-2.290.16831520.13832840X-RAY DIFFRACTION98
2.29-2.890.17461600.14742877X-RAY DIFFRACTION99
2.89-35.310.14121340.12952957X-RAY DIFFRACTION99

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