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- PDB-1njf: Nucleotide bound form of an isolated E. coli clamp loader gamma s... -

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Basic information

Entry
Database: PDB / ID: 1njf
TitleNucleotide bound form of an isolated E. coli clamp loader gamma subunit
ComponentsDNA polymerase III subunit gamma
KeywordsTRANSFERASE / protein-nucleotide complex / Rossman-like fold / AAA+ ATPase domains / sensor 1 / sensor 2
Function / homology
Function and homology information


DNA polymerase III, clamp loader complex / DNA clamp loader activity / DNA polymerase III complex / replisome / DNA polymerase processivity factor activity / ribonucleoside triphosphate phosphatase activity / DNA-templated DNA replication / DNA-directed DNA polymerase / DNA-directed DNA polymerase activity / DNA replication ...DNA polymerase III, clamp loader complex / DNA clamp loader activity / DNA polymerase III complex / replisome / DNA polymerase processivity factor activity / ribonucleoside triphosphate phosphatase activity / DNA-templated DNA replication / DNA-directed DNA polymerase / DNA-directed DNA polymerase activity / DNA replication / viral translational frameshifting / ATP hydrolysis activity / DNA binding / ATP binding / metal ion binding / identical protein binding
Similarity search - Function
DNA polymerase III, tau subunit, domain V / DNA polymerase III subunit tau, DnaB-binding domain IV / DNA polymerase III, tau subunit, domain V superfamily / DNA polymerase III subunits tau domain IV DnaB-binding / DNA polymerase III tau subunit V interacting with alpha / DNA polymerase III, subunit gamma/tau, helical lid domain / DNA polymerase III clamp loader subunit, ATPase lid domain / DNA polymerase III, subunit gamma/ tau, N-terminal / DNA polymerase III, gamma subunit, domain III / DNA polymerase III subunits gamma and tau domain III ...DNA polymerase III, tau subunit, domain V / DNA polymerase III subunit tau, DnaB-binding domain IV / DNA polymerase III, tau subunit, domain V superfamily / DNA polymerase III subunits tau domain IV DnaB-binding / DNA polymerase III tau subunit V interacting with alpha / DNA polymerase III, subunit gamma/tau, helical lid domain / DNA polymerase III clamp loader subunit, ATPase lid domain / DNA polymerase III, subunit gamma/ tau, N-terminal / DNA polymerase III, gamma subunit, domain III / DNA polymerase III subunits gamma and tau domain III / DNA polymerase III, delta subunit / : / DNA polymerase III, clamp loader complex, gamma/delta/delta subunit, C-terminal / ClpA/B family / Helicase, Ruva Protein; domain 3 - #60 / Helicase, Ruva Protein; domain 3 / P-loop containing nucleotide triphosphate hydrolases / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER / DNA polymerase III subunit tau
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 2.3 Å
AuthorsPodobnik, M. / Weitze, T.F. / O'Donnell, M. / Kuriyan, J.
CitationJournal: Structure / Year: 2003
Title: Nucleotide-Induced Conformational Changes in an Isolated Escherichia coli DNA Polymerase III Clamp Loader Subunit
Authors: Podobnik, M. / Weitze, T.F. / O'Donnell, M. / Kuriyan, J.
History
DepositionDec 30, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 8, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Mar 7, 2012Group: Non-polymer description
Revision 1.4Feb 14, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / struct_conn / 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 / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _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_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_ref_seq_dif.details / _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: DNA polymerase III subunit gamma
B: DNA polymerase III subunit gamma
C: DNA polymerase III subunit gamma
D: DNA polymerase III subunit gamma
hetero molecules


Theoretical massNumber of molelcules
Total (without water)112,25612
Polymers109,9984
Non-polymers2,2598
Water5,873326
1
A: DNA polymerase III subunit gamma
hetero molecules


Theoretical massNumber of molelcules
Total (without water)28,0883
Polymers27,4991
Non-polymers5892
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: DNA polymerase III subunit gamma
hetero molecules


Theoretical massNumber of molelcules
Total (without water)28,0883
Polymers27,4991
Non-polymers5892
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3
C: DNA polymerase III subunit gamma
hetero molecules


Theoretical massNumber of molelcules
Total (without water)27,9923
Polymers27,4991
Non-polymers4932
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
4
D: DNA polymerase III subunit gamma
hetero molecules


Theoretical massNumber of molelcules
Total (without water)28,0883
Polymers27,4991
Non-polymers5892
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)71.708, 113.347, 121.355
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
DetailsThere are four copies (chains A, B, C and D) of the monomeric biological unit in the asymmetric unit.

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Components

#1: Protein
DNA polymerase III subunit gamma


Mass: 27499.430 Da / Num. of mol.: 4 / Fragment: N-terminal domains 1 and 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: DnaX / Plasmid: pGEX / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P06710, DNA-directed DNA polymerase
#2: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-AGS / PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER / ATP-GAMMA-S / ADENOSINE 5'-(3-THIOTRIPHOSPHATE) / ADENOSINE 5'-(GAMMA-THIOTRIPHOSPHATE) / ADENOSINE-5'-DIPHOSPHATE MONOTHIOPHOSPHATE


Mass: 523.247 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C10H16N5O12P3S / Comment: ATP-gamma-S, energy-carrying molecule analogue*YM
#4: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 326 / 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: 2.24 Å3/Da / Density % sol: 44.67 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 2.8
Details: PEG 10000, KNO3, 1,4-Butanediol, pH 2.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal grow
*PLUS
Method: unknown
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
11 mMprotein1drop
212 mMAMP-PNP1drop
327 mM1dropMgCl2
412-19 %PEG33501reservoir
50.12-0.19 Mammonium sulfate1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 5.0.2 / Wavelength: 1.24345 , 1.28201, 1.28243
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Jan 31, 2002
RadiationMonochromator: Double-crystal Si(111) / Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
IDWavelength (Å)Relative weight
11.243451
21.282011
31.282431
ReflectionResolution: 2.3→100 Å / Num. obs: 81300 / Observed criterion σ(F): -1.5 / Observed criterion σ(I): -3 / Redundancy: 10.4 % / Biso Wilson estimate: 23.5 Å2 / Rmerge(I) obs: 0.053 / Net I/σ(I): 34.5
Reflection shellResolution: 2.3→2.35 Å / Redundancy: 7.1 % / Rmerge(I) obs: 0.24 / Mean I/σ(I) obs: 8.7 / % possible all: 84.4
Reflection
*PLUS
Lowest resolution: 100 Å / Num. obs: 45447 / % possible obs: 96.5 % / Num. measured all: 1061344
Reflection shell
*PLUS
% possible obs: 84.4 % / Rmerge(I) obs: 0.24

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
MLPHAREphasing
CNS1.1refinement
RefinementMethod to determine structure: MAD / Resolution: 2.3→82.84 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 263324.48 / Data cutoff high rms absF: 263324.48 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.248 7986 9.8 %RANDOM
Rwork0.21 ---
obs0.21 81300 95.7 %-
all-83231 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 31.7841 Å2 / ksol: 0.354096 e/Å3
Displacement parametersBiso mean: 33.5 Å2
Baniso -1Baniso -2Baniso -3
1-5.41 Å20 Å20 Å2
2---2.07 Å20 Å2
3----3.35 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.34 Å0.27 Å
Luzzati d res low-5 Å
Luzzati sigma a0.32 Å0.23 Å
Refinement stepCycle: LAST / Resolution: 2.3→82.84 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7412 0 124 326 7862
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d22.3
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.77
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.411.5
X-RAY DIFFRACTIONc_mcangle_it2.282
X-RAY DIFFRACTIONc_scbond_it2.552
X-RAY DIFFRACTIONc_scangle_it3.772.5
LS refinement shellResolution: 2.3→2.38 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.329 746 9.8 %
Rwork0.254 6859 -
obs--89.3 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP_ZN.PARAMPROTEIN_ZN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION3ATG_ADP_PAR.TXTATG_ADP_TOP.TXT
Refinement
*PLUS
% reflection Rfree: 10 % / Rfactor Rfree: 0.25 / Rfactor Rwork: 0.211
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.0074
X-RAY DIFFRACTIONc_angle_deg1.347
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg22.3
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.77

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