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- PDB-4b3a: Tetracycline repressor class D mutant H100A in complex with tetra... -

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Basic information

Entry
Database: PDB / ID: 4b3a
TitleTetracycline repressor class D mutant H100A in complex with tetracycline
ComponentsTETRACYCLINE REPRESSOR PROTEIN CLASS D
KeywordsTRANSCRIPTION / TET-REPRESSOR
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 ...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
TETRACYCLINE / Tetracycline repressor protein class D
Similarity search - Component
Biological speciesESCHERICHIA COLI (E. coli)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsEltschkner, S. / Schindler, S. / Palm, G.J. / Schneider, J. / Hinrichs, W.
CitationJournal: Biochim Biophys Acta Proteins Proteom / Year: 2020
Title: Thermodynamics, cooperativity and stability of the tetracycline repressor (TetR) upon tetracycline binding.
Authors: Palm, G.J. / Buchholz, I. / Werten, S. / Girbardt, B. / Berndt, L. / Delcea, M. / Hinrichs, W.
History
DepositionJul 23, 2012Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jun 12, 2013Provider: repository / Type: Initial release
Revision 1.1Mar 18, 2020Group: Database references / Other / Category: citation / citation_author / pdbx_database_status
Item: _citation.journal_abbrev / _citation.journal_id_CSD ..._citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _pdbx_database_status.status_code_sf
Revision 1.2Dec 20, 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_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr2_auth_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: TETRACYCLINE REPRESSOR PROTEIN CLASS D
hetero molecules


Theoretical massNumber of molelcules
Total (without water)23,7966
Polymers23,2211
Non-polymers5755
Water2,342130
1
A: TETRACYCLINE REPRESSOR PROTEIN CLASS D
hetero molecules

A: TETRACYCLINE REPRESSOR PROTEIN CLASS D
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,59312
Polymers46,4432
Non-polymers1,15010
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation10_665-x+1,-y+1,z1
Buried area8300 Å2
ΔGint-94.1 kcal/mol
Surface area18680 Å2
MethodPISA
Unit cell
Length a, b, c (Å)67.537, 67.537, 179.859
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number98
Space group name H-MI4122
Components on special symmetry positions
IDModelComponents
11A-2048-

HOH

21A-2050-

HOH

31A-2106-

HOH

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Components

#1: Protein TETRACYCLINE REPRESSOR PROTEIN CLASS D


Mass: 23221.264 Da / Num. of mol.: 1 / Fragment: RESIDUES 2-208 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) ESCHERICHIA COLI (E. coli) / Plasmid: PWH1590 H100A / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): RB791 / References: UniProt: P0ACT4
#2: Chemical ChemComp-TAC / TETRACYCLINE


Mass: 444.435 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C22H24N2O8 / Comment: antibiotic*YM
#3: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Cl
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 130 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsN-TERMINAL MET REMOVED. RESIDUES 209 - 218 REMOVED BY CLONING.

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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: 2.2 Å3/Da / Density % sol: 44 % / Description: NONE
Crystal growpH: 6.5
Details: 0.5 M AMMONIUM SULPHATE, 1 M LITHIUM SULPHATE, 0.1 M MES PH 6.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 / Wavelength: 1.5418
DetectorType: RIGAKU CCD / Detector: CCD / Date: Apr 17, 2007 / Details: OSMIC MULTILAYER
RadiationMonochromator: OSMIC MULTILAYER / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.7→29.79 Å / Num. obs: 19362 / % possible obs: 82.6 % / Observed criterion σ(I): -3 / Redundancy: 5.86 % / Rmerge(I) obs: 0.05 / Net I/σ(I): 20.4
Reflection shellResolution: 1.7→1.76 Å / Redundancy: 1.15 % / Rmerge(I) obs: 0.46 / Mean I/σ(I) obs: 0.9 / % possible all: 17.4

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Processing

Software
NameVersionClassification
REFMAC5.7.0027refinement
d*TREKdata reduction
d*TREKdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2VKE

2vke


Resolution: 1.7→29.8 Å / Cor.coef. Fo:Fc: 0.967 / Cor.coef. Fo:Fc free: 0.952 / SU B: 8.479 / SU ML: 0.116 / Cross valid method: THROUGHOUT / ESU R: 0.148 / ESU R Free: 0.143 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES WITH TLS ADDED
RfactorNum. reflection% reflectionSelection details
Rfree0.24997 979 5.1 %RANDOM
Rwork0.20304 ---
obs0.2054 18259 82.09 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 42.319 Å2
Baniso -1Baniso -2Baniso -3
1-1.43 Å20 Å20 Å2
2--1.43 Å20 Å2
3----2.86 Å2
Refinement stepCycle: LAST / Resolution: 1.7→29.8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1576 0 36 130 1742
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.0191645
X-RAY DIFFRACTIONr_bond_other_d0.0010.021595
X-RAY DIFFRACTIONr_angle_refined_deg1.4561.9962237
X-RAY DIFFRACTIONr_angle_other_deg0.83533637
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.365199
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.43423.580
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.36215285
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.5161516
X-RAY DIFFRACTIONr_chiral_restr0.0940.2256
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.021862
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02389
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.7→1.744 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.377 13 -
Rwork0.396 211 -
obs--13.27 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
12.1069-0.73862.70140.7889-0.1944.57510.0260.22260.04250.1823-0.0099-0.07760.34580.2933-0.01620.1194-0.0677-0.04250.2523-0.00680.115619.093428.499113.4921
21.38330.5170.48170.39920.09091.6227-0.02580.0827-0.00560.06050.08260.07740.0944-0.0992-0.05680.17620.0910.0040.0950.0060.093724.805332.000639.2537
314.46423.00880.81423.83192.26853.3644-0.25760.5506-0.6201-0.24340.1079-0.21140.39770.34560.14970.22330.11170.04510.10120.0010.083450.671120.628835.9461
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A2 - 45
2X-RAY DIFFRACTION1A46 - 64
3X-RAY DIFFRACTION1A1211
4X-RAY DIFFRACTION2A65 - 93
5X-RAY DIFFRACTION2A101 - 106
6X-RAY DIFFRACTION2A107 - 123
7X-RAY DIFFRACTION2A94 - 100
8X-RAY DIFFRACTION2A124 - 156
9X-RAY DIFFRACTION2A182 - 208
10X-RAY DIFFRACTION2A222
11X-RAY DIFFRACTION2A1212
12X-RAY DIFFRACTION3A165 - 181

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