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- PDB-1kgo: R2F from Corynebacterium Ammoniagenes in its reduced, Fe containi... -

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Basic information

Entry
Database: PDB / ID: 1kgo
TitleR2F from Corynebacterium Ammoniagenes in its reduced, Fe containing, form
ComponentsRibonucleotide reductase protein R2F
KeywordsMETAL BINDING PROTEIN / helix bundle / arm exchange / radical protein
Function / homology
Function and homology information


ribonucleoside-diphosphate reductase complex / ribonucleoside-diphosphate reductase / ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor / deoxyribonucleotide biosynthetic process / 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 speciesCorynebacterium ammoniagenes (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.25 Å
AuthorsHogbom, M. / Huque, Y. / Sjoberg, B.M. / Nordlund, P.
CitationJournal: Biochemistry / Year: 2002
Title: Crystal structure of the di-iron/radical protein of ribonucleotide reductase from Corynebacterium ammoniagenes.
Authors: Hogbom, M. / Huque, Y. / Sjoberg, B.M. / Nordlund, P.
History
DepositionNov 28, 2001Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Dec 21, 2001Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Mar 13, 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_struct_conn_angle / software / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_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.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_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 / _software.classification / _software.name / _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_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Ribonucleotide reductase protein R2F
B: Ribonucleotide reductase protein R2F
C: Ribonucleotide reductase protein R2F
D: Ribonucleotide reductase protein R2F
hetero molecules


Theoretical massNumber of molelcules
Total (without water)152,28312
Polymers151,8364
Non-polymers4478
Water15,277848
1
A: Ribonucleotide reductase protein R2F
B: Ribonucleotide reductase protein R2F
hetero molecules


Theoretical massNumber of molelcules
Total (without water)76,1416
Polymers75,9182
Non-polymers2234
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5310 Å2
ΔGint-40 kcal/mol
Surface area22800 Å2
MethodPISA
2
C: Ribonucleotide reductase protein R2F
D: Ribonucleotide reductase protein R2F
hetero molecules


Theoretical massNumber of molelcules
Total (without water)76,1416
Polymers75,9182
Non-polymers2234
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5280 Å2
ΔGint-41 kcal/mol
Surface area23060 Å2
MethodPISA
Unit cell
Length a, b, c (Å)49.951, 91.154, 137.270
Angle α, β, γ (deg.)90.00, 91.27, 90.00
Int Tables number4
Space group name H-MP1211
DetailsThe biological assembly is one dimer. The asymmetric unit contains two of these dimers

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Components

#1: Protein
Ribonucleotide reductase protein R2F


Mass: 37959.023 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Corynebacterium ammoniagenes (bacteria)
Plasmid: pIG056 / Production host: Escherichia coli (E. coli) / References: UniProt: O69274
#2: Chemical
ChemComp-FE2 / FE (II) ION


Mass: 55.845 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Fe
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 848 / 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: 2.06 Å3/Da / Density % sol: 40.21 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: PEG4000, sodium citrate, ammonium acetate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
pH: 7.5
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
110 mg/mlprotein1drop
250 mMTris-HCl1droppH7.5
330 %(w/v)PEG40001reservoir
4100 mMsodium citrate1reservoir
5200 mMammonium sulfate1reservoirpH6-6.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-2 / Wavelength: 0.933 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Apr 29, 2000
RadiationMonochromator: diamond (111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.933 Å / Relative weight: 1
ReflectionResolution: 2.25→25 Å / Num. all: 55206 / Num. obs: 55206 / % possible obs: 94.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rmerge(I) obs: 0.079
Reflection shellResolution: 2.25→2.29 Å / Rmerge(I) obs: 0.294 / % possible all: 96.4
Reflection
*PLUS
Lowest resolution: 25 Å / Num. measured all: 135221
Reflection shell
*PLUS
% possible obs: 96.4 %

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Processing

Software
NameClassification
CNSrefinement
ProDCdata collection
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.25→25 Å / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.238 2783 5 %random
Rwork0.163 ---
all0.167 55206 --
obs0.167 55206 --
Refinement stepCycle: LAST / Resolution: 2.25→25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9676 0 8 848 10532
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_angle_deg1.29
X-RAY DIFFRACTIONc_bond_d0.01
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2dna-rna_rep.paramdna-rna.top
X-RAY DIFFRACTION3water_rep.paramwater.top
X-RAY DIFFRACTION4ion.paramion.top
Software
*PLUS
Name: CNS / Classification: refinement
Refinement
*PLUS
Lowest resolution: 25 Å / σ(F): 0 / % reflection Rfree: 5 % / Rfactor obs: 0.163
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: c_bond_d / Dev ideal: 0.01

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