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- PDB-3g24: Crystal structure of the mutant D70N of orotidine 5'-monophosphat... -

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Basic information

Entry
Database: PDB / ID: 3g24
TitleCrystal structure of the mutant D70N of orotidine 5'-monophosphate decarboxylase from Methanobacterium thermoautotrophicum complexed with 6-azauridine 5'-monophosphate
ComponentsOrotidine 5'-phosphate decarboxylase
KeywordsLYASE / orotidine 5'-monophosphate decarboxylase / 6-azaUMP / D70N / Decarboxylase / Pyrimidine biosynthesis
Function / homology
Function and homology information


orotidine-5'-phosphate decarboxylase / orotidine-5'-phosphate decarboxylase activity / 'de novo' UMP biosynthetic process / 'de novo' pyrimidine nucleobase biosynthetic process / cytosol
Similarity search - Function
: / Orotidine 5'-phosphate decarboxylase / Orotidine 5'-phosphate decarboxylase, active site / Orotidine 5'-phosphate decarboxylase active site. / Orotidine 5'-phosphate decarboxylase domain / Orotidine 5'-phosphate decarboxylase / HUMPS family / Orotidine 5'-phosphate decarboxylase / HUMPS family / Ribulose-phosphate binding barrel / Aldolase class I / Aldolase-type TIM barrel ...: / Orotidine 5'-phosphate decarboxylase / Orotidine 5'-phosphate decarboxylase, active site / Orotidine 5'-phosphate decarboxylase active site. / Orotidine 5'-phosphate decarboxylase domain / Orotidine 5'-phosphate decarboxylase / HUMPS family / Orotidine 5'-phosphate decarboxylase / HUMPS family / Ribulose-phosphate binding barrel / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
6-AZA URIDINE 5'-MONOPHOSPHATE / Orotidine 5'-phosphate decarboxylase
Similarity search - Component
Biological speciesMethanothermobacter thermautotrophicus str. Delta H (archaea)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.5 Å
AuthorsFedorov, A.A. / Fedorov, E.V. / Chan, K.K. / Gerlt, J.A. / Almo, S.C.
CitationJournal: Biochemistry / Year: 2009
Title: Mechanism of the orotidine 5'-monophosphate decarboxylase-catalyzed reaction: evidence for substrate destabilization.
Authors: Chan, K.K. / Wood, B.M. / Fedorov, A.A. / Fedorov, E.V. / Imker, H.J. / Amyes, T.L. / Richard, J.P. / Almo, S.C. / Gerlt, J.A.
History
DepositionJan 30, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 23, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Oct 20, 2021Group: Database references / Derived calculations / Category: database_2 / 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
Revision 1.3Sep 6, 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: Orotidine 5'-phosphate decarboxylase
B: Orotidine 5'-phosphate decarboxylase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)50,4184
Polymers49,7672
Non-polymers6502
Water5,405300
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4850 Å2
ΔGint-41 kcal/mol
Surface area15560 Å2
MethodPISA
Unit cell
Length a, b, c (Å)59.592, 63.782, 61.293
Angle α, β, γ (deg.)90.00, 115.03, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Orotidine 5'-phosphate decarboxylase / OMP decarboxylase / OMPDCase / OMPdecase


Mass: 24883.713 Da / Num. of mol.: 2 / Mutation: D70N,R101P
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Methanothermobacter thermautotrophicus str. Delta H (archaea)
Gene: pyrF, MTH_129 / Production host: Escherichia coli (E. coli)
References: UniProt: O26232, orotidine-5'-phosphate decarboxylase
#2: Chemical ChemComp-UP6 / 6-AZA URIDINE 5'-MONOPHOSPHATE / 6-AZA-UMP


Mass: 325.169 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H12N3O9P
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 300 / 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: 2.12 Å3/Da / Density % sol: 42 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 25% PEG 3350, 0.1M tris, 0.2M magnesium chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X4A / Wavelength: 0.97915 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Nov 16, 2007
RadiationMonochromator: Si 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97915 Å / Relative weight: 1
ReflectionResolution: 1.5→25 Å / Num. all: 60695 / Num. obs: 60695 / % possible obs: 91 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 16.9 Å2 / Rmerge(I) obs: 0.083

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Processing

Software
NameVersionClassification
APEXdata collection
BALBESphasing
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3G1Y

3g1y


Resolution: 1.5→24.86 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 1094438.69 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.197 3049 5 %RANDOM
Rwork0.183 ---
all0.185 60695 --
obs0.183 60695 91 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 49.9895 Å2 / ksol: 0.410237 e/Å3
Displacement parametersBiso mean: 16.6 Å2
Baniso -1Baniso -2Baniso -3
1--3.3 Å20 Å2-0.55 Å2
2--1.66 Å20 Å2
3---1.64 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.17 Å0.15 Å
Luzzati d res low-5 Å
Luzzati sigma a0.09 Å0.08 Å
Refinement stepCycle: LAST / Resolution: 1.5→24.86 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3299 0 42 300 3641
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.005
X-RAY DIFFRACTIONc_angle_deg1.2
X-RAY DIFFRACTIONc_dihedral_angle_d22.2
X-RAY DIFFRACTIONc_improper_angle_d0.88
X-RAY DIFFRACTIONc_mcbond_it11.5
X-RAY DIFFRACTIONc_mcangle_it1.482
X-RAY DIFFRACTIONc_scbond_it1.942
X-RAY DIFFRACTIONc_scangle_it2.842.5
LS refinement shellResolution: 1.5→1.55 Å / Rfactor Rfree error: 0.018 / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.241 173 4.7 %
Rwork0.225 3516 -
obs-3516 55.6 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top
X-RAY DIFFRACTION3ion.paramion.top
X-RAY DIFFRACTION4UP6_par.txtUP6_top.txt
X-RAY DIFFRACTION5&_1_PARAMETER_INFILE_5&_1_TOPOLOGY_INFILE_5

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