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- PDB-1c0w: CRYSTAL STRUCTURE OF THE COBALT-ACTIVATED DIPHTHERIA TOXIN REPRES... -

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Basic information

Entry
Database: PDB / ID: 1c0w
TitleCRYSTAL STRUCTURE OF THE COBALT-ACTIVATED DIPHTHERIA TOXIN REPRESSOR-DNA COMPLEX REVEALS A METAL BINDING SH-LIKE DOMAIN
Components
  • DIPHTHERIA TOXIN REPRESSOR
  • DNA (5'-D(P*AP*TP*TP*AP*GP*GP*TP*TP*AP*GP*CP*CP*TP*AP*CP*CP*CP*TP*AP*AP*T)-3')
  • DNA (5'-D(P*AP*TP*TP*AP*GP*GP*TP*TP*AP*GP*GP*CP*TP*AP*CP*CP*CP*TP*AP*AP*T)-3')
KeywordsGENE REGULATION/DNA / TOXIN REPRESSOR-DNA COMPLEX / METAL BINDING SH-LIKE DOMAIN / GENE REGULATION-DNA COMPLEX
Function / homology
Function and homology information


transition metal ion binding / SH3 domain binding / protein dimerization activity / DNA-binding transcription factor activity / negative regulation of DNA-templated transcription / DNA binding / identical protein binding / cytoplasm
Similarity search - Function
Helix Hairpins - #1920 / Diphteria toxin repressor, SH3 domain / Diphteria toxin repressor SH3 domain / Ferrous iron transport protein A (FeoA) / Iron dependent repressor, metal binding and dimerisation domain / Ferrous iron transporter, core domain / Ferrous iron transporter FeoA domain / FeoA / DtxR-type HTH domain profile. / DTXR-type HTH domain ...Helix Hairpins - #1920 / Diphteria toxin repressor, SH3 domain / Diphteria toxin repressor SH3 domain / Ferrous iron transport protein A (FeoA) / Iron dependent repressor, metal binding and dimerisation domain / Ferrous iron transporter, core domain / Ferrous iron transporter FeoA domain / FeoA / DtxR-type HTH domain profile. / DTXR-type HTH domain / Iron dependent repressor, N-terminal DNA binding domain / Iron dependent repressor, metal binding and dimerisation domain / Iron dependent repressor / Iron dependent repressor, metal binding and dimerisation domain superfamily / Iron dependent repressor, metal binding and dimerisation domain / Helix-turn-helix diphteria tox regulatory element / Diphtheria Toxin Repressor; domain 2 / Transcriptional repressor, C-terminal / Helix Hairpins / Helix non-globular / Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain / Special / SH3 type barrels. / Arc Repressor Mutant, subunit A / Winged helix DNA-binding domain superfamily / Roll / Winged helix-like DNA-binding domain superfamily / Orthogonal Bundle / Mainly Beta / Mainly Alpha
Similarity search - Domain/homology
: / DNA / DNA (> 10) / Diphtheria toxin repressor / Diphtheria toxin repressor
Similarity search - Component
Biological speciesCorynebacterium diphtheriae (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.2 Å
AuthorsPohl, E. / Holmes, R.K. / Hol, W.G.
CitationJournal: J.Mol.Biol. / Year: 1999
Title: Crystal structure of a cobalt-activated diphtheria toxin repressor-DNA complex reveals a metal-binding SH3-like domain.
Authors: Pohl, E. / Holmes, R.K. / Hol, W.G.
History
DepositionJul 22, 1999Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 22, 2000Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Aug 9, 2023Group: 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 / pdbx_struct_conn_angle / 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 / _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_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
E: DNA (5'-D(P*AP*TP*TP*AP*GP*GP*TP*TP*AP*GP*CP*CP*TP*AP*CP*CP*CP*TP*AP*AP*T)-3')
F: DNA (5'-D(P*AP*TP*TP*AP*GP*GP*TP*TP*AP*GP*GP*CP*TP*AP*CP*CP*CP*TP*AP*AP*T)-3')
A: DIPHTHERIA TOXIN REPRESSOR
B: DIPHTHERIA TOXIN REPRESSOR
C: DIPHTHERIA TOXIN REPRESSOR
D: DIPHTHERIA TOXIN REPRESSOR
hetero molecules


Theoretical massNumber of molelcules
Total (without water)114,18014
Polymers113,7096
Non-polymers4718
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)180.2, 180.2, 151.0
Angle α, β, γ (deg.)90.0, 90.0, 90.0
Int Tables number93
Cell settingtetragonal
Space group name H-MP4222

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Components

#1: DNA chain DNA (5'-D(P*AP*TP*TP*AP*GP*GP*TP*TP*AP*GP*CP*CP*TP*AP*CP*CP*CP*TP*AP*AP*T)-3')


Mass: 6397.159 Da / Num. of mol.: 1 / Source method: obtained synthetically
#2: DNA chain DNA (5'-D(P*AP*TP*TP*AP*GP*GP*TP*TP*AP*GP*GP*CP*TP*AP*CP*CP*CP*TP*AP*AP*T)-3')


Mass: 6437.183 Da / Num. of mol.: 1 / Source method: obtained synthetically
#3: Protein
DIPHTHERIA TOXIN REPRESSOR / IRON-DEPENDENT DIPHTHERIA TOX REGULATORY ELEMENT / TOX REGULATORY FACTOR


Mass: 25218.602 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Corynebacterium diphtheriae (bacteria) / Gene: DTXR / Production host: Escherichia coli (E. coli) / Strain (production host): DH5-ALPHA / References: UniProt: P33120, UniProt: P0DJL7*PLUS
#4: Chemical
ChemComp-CO / COBALT (II) ION


Mass: 58.933 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Co

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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: 5.39 Å3/Da / Density % sol: 77.18 %
Crystal growMethod: vapor diffusion, hanging drop / Details: VAPOR DIFFUSION, HANGING DROP
Crystal grow
*PLUS
pH: 7.5 / Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
17 mg/mlprotein1drop
210 mMTris1drop
310 mMdithiothreitol1drop
40.155 mMoligonucleotide solution1drop
5100 mMMES1reservoir
67.5 %polyvinylalcohol150001reservoir
75 mM1reservoirCoCl2

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 1
DetectorType: CUSTOM-MADE / Detector: CCD / Date: Aug 15, 1998
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionHighest resolution: 3.2 Å
Reflection
*PLUS
% possible obs: 100 % / Num. measured all: 772772 / Rmerge(I) obs: 0.12
Reflection shell
*PLUS
% possible obs: 99.9 % / Rmerge(I) obs: 0.45 / Mean I/σ(I) obs: 5

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Processing

Software
NameVersionClassification
AMoREphasing
X-PLOR3.851refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1DTR

1dtr
PDB Unreleased entry


Resolution: 3.2→20 Å / Cross valid method: THROUGHOUT / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.279 -5 %RANDOM
Rwork0.249 ---
obs0.249 42000 99.8 %-
Refinement stepCycle: LAST / Resolution: 3.2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5710 857 8 0 6575
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.13
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.3
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMTOPHCSDX.PRO
X-RAY DIFFRACTION2PARAM_NDBX.DNATOP_NDBX.DNA
X-RAY DIFFRACTION3TOPH19.PEP
Software
*PLUS
Name: X-PLOR / Version: 3.851 / Classification: refinement
Refinement
*PLUS
Highest resolution: 3.2 Å / Lowest resolution: 20 Å / σ(F): 2 / % reflection Rfree: 5 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: x_bond_d / Dev ideal: 0.13

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