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- PDB-1ork: TET REPRESSOR, CLASS D IN COMPLEX WITH 9-(N,N-DIMETHYLGLYCYLAMIDO... -

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Entry
Database: PDB / ID: 1ork
TitleTET REPRESSOR, CLASS D IN COMPLEX WITH 9-(N,N-DIMETHYLGLYCYLAMIDO)-6-DEMETHYL-6-DEOXY-TETRACYCLINE
ComponentsTETRACYCLINE REPRESSOR
KeywordsTRANSCRIPTION REGULATION
Function / homology
Function and homology information


transcription cis-regulatory region binding / DNA-binding transcription factor activity / response to antibiotic / negative regulation of DNA-templated transcription / metal ion binding
Similarity search - Function
Tetracycline transcriptional regulator, TetR / Tetracycline repressor TetR, C-terminal / Tetracyclin repressor-like, C-terminal domain / DNA-binding HTH domain, TetR-type, conserved site / TetR-type HTH domain signature. / Tetracycline Repressor, domain 2 / Tetracyclin repressor-like, C-terminal domain superfamily / Tetracycline Repressor; domain 2 / Bacterial regulatory proteins, tetR family / DNA-binding HTH domain, TetR-type ...Tetracycline transcriptional regulator, TetR / Tetracycline repressor TetR, C-terminal / Tetracyclin repressor-like, C-terminal domain / DNA-binding HTH domain, TetR-type, conserved site / TetR-type HTH domain signature. / Tetracycline Repressor, domain 2 / Tetracyclin repressor-like, C-terminal domain superfamily / Tetracycline Repressor; domain 2 / Bacterial regulatory proteins, tetR family / DNA-binding HTH domain, TetR-type / TetR-type HTH domain profile. / Homeodomain-like / Homeobox-like domain superfamily / Arc Repressor Mutant, subunit A / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-ATC / Tetracycline repressor protein class D
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsOrth, P. / Schnappinger, D. / Sum, P.-E. / Ellestad, G.A. / Hillen, W. / Saenger, W. / Hinrichs, W.
Citation
Journal: J.Mol.Biol. / Year: 1999
Title: Crystal structure of the tet repressor in complex with a novel tetracycline, 9-(N,N-dimethylglycylamido)- 6-demethyl-6-deoxy-tetracycline.
Authors: Orth, P. / Schnappinger, D. / Sum, P.E. / Ellestad, G.A. / Hillen, W. / Saenger, W. / Hinrichs, W.
#1: Journal: J.Mol.Biol. / Year: 1998
Title: Conformational Changes of the Tet Repressor Induced by Tetracycline Trapping
Authors: Orth, P. / Cordes, F. / Schnappinger, D. / Hillen, W. / Saenger, W. / Hinrichs, W.
#2: Journal: J.Mol.Biol. / Year: 1995
Title: The Complex Formed between Tet Repressor and Tetracycline-Mg2+ Reveals Mechanism of Antibiotic Resistance
Authors: Kisker, C. / Hinrichs, W. / Tovar, K. / Hillen, W. / Saenger, W.
#3: Journal: Science / Year: 1994
Title: Structure of the Tet Repressor-Tetracycline Complex and Regulation of Antibiotic Resistance
Authors: Hinrichs, W. / Kisker, C. / Duvel, M. / Muller, A. / Tovar, K. / Hillen, W. / Saenger, W.
History
DepositionMay 21, 1998Processing site: BNL
Revision 1.0Jun 15, 1999Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Aug 9, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: database_2 / diffrn_source ...database_2 / diffrn_source / pdbx_database_status / 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 / _diffrn_source.pdbx_synchrotron_site / _pdbx_database_status.process_site / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_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.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_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
Revision 1.4May 22, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: TETRACYCLINE REPRESSOR
hetero molecules


Theoretical massNumber of molelcules
Total (without water)23,8273
Polymers23,2881
Non-polymers5392
Water48627
1
A: TETRACYCLINE REPRESSOR
hetero molecules

A: TETRACYCLINE REPRESSOR
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,6546
Polymers46,5772
Non-polymers1,0784
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation10_665-x+1,-y+1,z1
Buried area7910 Å2
ΔGint-66 kcal/mol
Surface area18530 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)68.940, 68.940, 180.750
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number98
Space group name H-MI4122

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Components

#1: Protein TETRACYCLINE REPRESSOR / TET REPRESSOR / CLASS D


Mass: 23288.334 Da / Num. of mol.: 1 / Mutation: S2A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 DELTA H1 DELTA TRP / Cellular location: CYTOPLASM / Plasmid: PWH610 / Production host: Escherichia coli (E. coli) / References: UniProt: P0ACT4
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-ATC / 9-(N,N-DIMETHYLGLYCYLAMIDO)-6-DEOXY-6-DEMETHYL-TETRACYCLINE


Mass: 514.528 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C25H30N4O8
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 27 / 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: 2.4 Å3/Da / Density % sol: 49 %
Description: DATA WERE COLLECTED USING THE OSCILLATION METHOD
Crystal growpH: 8 / Details: pH 8.0
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
110 mg/mlprotein1drop
2200 mM1dropNaCl
350 mMTris-HCl1drop
41 Mammonium sulfate1reservoir
510 mM1reservoirMgCl2
6200 mM1reservoirNaCl
750 mMTris-HCl1reservoir

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Data collection

DiffractionMean temperature: 277 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X31 / Wavelength: 0.9204
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: May 1, 1996
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9204 Å / Relative weight: 1
ReflectionResolution: 2.4→17.2 Å / Num. obs: 8979 / % possible obs: 96 % / Observed criterion σ(I): 0 / Redundancy: 3.2 % / Biso Wilson estimate: 42.4 Å2 / Rsym value: 0.059 / Net I/σ(I): 15.6
Reflection shellResolution: 2.4→2.47 Å / Mean I/σ(I) obs: 6 / Rsym value: 0.193 / % possible all: 98.8
Reflection
*PLUS
Rmerge(I) obs: 0.059
Reflection shell
*PLUS
% possible obs: 98.8 % / Rmerge(I) obs: 0.193

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Processing

Software
NameVersionClassification
X-PLOR3.1model building
X-PLOR3.1refinement
MOSFLMdata reduction
CCP4data scaling
X-PLOR3.1phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2TCT

2tct


Resolution: 2.4→18.5 Å / Data cutoff high absF: 100000 / Data cutoff low absF: 0.1 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.275 909 10 %RANDOM
Rwork0.214 ---
obs0.214 9076 97.8 %-
Displacement parametersBiso mean: 47.6 Å2
Refine analyzeLuzzati coordinate error obs: 0.35 Å / Luzzati d res low obs: 10 Å
Refinement stepCycle: LAST / Resolution: 2.4→18.5 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1566 0 38 27 1631
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONx_bond_d0.007
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_deg1.2
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d19.9
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.18
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it1.92.5
X-RAY DIFFRACTIONx_mcangle_it2.293
X-RAY DIFFRACTIONx_scbond_it2.493
X-RAY DIFFRACTIONx_scangle_it2.93.5
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSDX.PRO
X-RAY DIFFRACTION2PARAM19.SOLTOPH19.PEP
X-RAY DIFFRACTION3TOPH19.SOL
X-RAY DIFFRACTION4TOPH19.HIS
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.222 / Rfactor Rfree: 0.277
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.008
X-RAY DIFFRACTIONx_angle_deg1.31
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg19.8
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.14

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