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- PDB-6tqw: Crystal structure of ribonucleotide reductase NrdF from Bacillus ... -

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Basic information

Entry
Database: PDB / ID: 6tqw
TitleCrystal structure of ribonucleotide reductase NrdF from Bacillus anthracis anaerobically soaked with Fe(II) and Mn(II) ions
ComponentsRibonucleoside-diphosphate reductase subunit beta
KeywordsOXIDOREDUCTASE / Metal binding / Oxidation reduction process / 2'-Deoxyribonucleotide metabolism / DNA replication
Function / homology
Function and homology information


ribonucleoside-diphosphate reductase complex / ribonucleoside-diphosphate reductase / ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor / deoxyribonucleotide biosynthetic process / membrane / metal ion binding
Similarity search - Function
Ribonucleoside-diphosphate reductase subunit beta / Ribonucleotide reductase small subunit, acitve site / Ribonucleotide reductase small subunit signature. / Ribonucleotide Reductase, subunit A / Ribonucleotide Reductase, subunit A / Ribonucleotide reductase small subunit / Ribonucleotide reductase small subunit family / Ribonucleotide reductase, small chain / Ribonucleotide reductase-like / Ferritin-like superfamily ...Ribonucleoside-diphosphate reductase subunit beta / Ribonucleotide reductase small subunit, acitve site / Ribonucleotide reductase small subunit signature. / Ribonucleotide Reductase, subunit A / Ribonucleotide Reductase, subunit A / Ribonucleotide reductase small subunit / Ribonucleotide reductase small subunit family / Ribonucleotide reductase, small chain / Ribonucleotide reductase-like / Ferritin-like superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
: / Ribonucleoside-diphosphate reductase subunit beta
Similarity search - Component
Biological speciesBacillus anthracis str. Sterne (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.55 Å
AuthorsGrave, K. / Hogbom, M.
CitationJournal: J.Biol.Inorg.Chem. / Year: 2020
Title: The Bacillus anthracis class Ib ribonucleotide reductase subunit NrdF intrinsically selects manganese over iron.
Authors: Grave, K. / Griese, J.J. / Berggren, G. / Bennett, M.D. / Hogbom, M.
History
DepositionDec 17, 2019Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 15, 2020Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2020Group: Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_PubMed / _citation.title ..._citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID / _citation_author.name
Revision 1.2Jun 3, 2020Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Jan 24, 2024Group: 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_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Ribonucleoside-diphosphate reductase subunit beta
B: Ribonucleoside-diphosphate reductase subunit beta
hetero molecules


Theoretical massNumber of molelcules
Total (without water)74,81211
Polymers74,1122
Non-polymers7009
Water7,494416
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: homology
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5370 Å2
ΔGint-105 kcal/mol
Surface area22110 Å2
MethodPISA
Unit cell
Length a, b, c (Å)57.502, 61.278, 95.372
Angle α, β, γ (deg.)90.000, 106.610, 90.000
Int Tables number4
Space group name H-MP1211
Symmetry operation#1: x,y,z
#2: -x,y+1/2,-z

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Components

#1: Protein Ribonucleoside-diphosphate reductase subunit beta


Mass: 37055.984 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bacillus anthracis str. Sterne (bacteria)
Gene: nrdF, GBAA_1372 / Variant: pXO1-/pXO2- deficient / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: Q81TB4, ribonucleoside-diphosphate reductase
#2: Chemical
ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Formula: Mn
#3: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: SO4
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 416 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN

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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: 2.42 Å3/Da / Density % sol: 49.21 %
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 1.8 - 2.0 M ammonium sulphate, 0.1 M Bis-Tris methane, pH 6.5

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06SA / Wavelength: 1.04 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Mar 9, 2015
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.04 Å / Relative weight: 1
ReflectionResolution: 1.55→55.102 Å / Num. obs: 88662 / % possible obs: 95.98 % / Redundancy: 3.8 % / Biso Wilson estimate: 15.1813510248 Å2 / CC1/2: 0.993 / Rmerge(I) obs: 0.035 / Rpim(I) all: 0.031 / Rrim(I) all: 0.047 / Net I/σ(I): 16.7
Reflection shellResolution: 1.55→1.58 Å / Rmerge(I) obs: 0.18 / Num. unique obs: 8520 / CC1/2: 0.975 / Rpim(I) all: 0.159 / Rrim(I) all: 0.241

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Processing

Software
NameVersionClassification
PHENIX1.12refinement
DIALSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6QO9

6qo9


Resolution: 1.55→55.102 Å / SU ML: 0.13 / Cross valid method: FREE R-VALUE / σ(F): 0.05 / Phase error: 18.18
RfactorNum. reflection% reflectionSelection details
Rfree0.1769 4554 5 %Random selection
Rwork0.1578 ---
obs0.1588 88562 94.13 %-
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 80.89 Å2 / Biso mean: 21.5196 Å2 / Biso min: 7.87 Å2
Refinement stepCycle: final / Resolution: 1.55→55.102 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4670 0 29 416 5115
Biso mean--32.95 28.75 -
Num. residues----576

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