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- PDB-6rcr: TETR(D) H100A MUTANT IN COMPLEX WITH DOXYCYCLINE AND MAGNESIUM -

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Basic information

Entry
Database: PDB / ID: 6rcr
TitleTETR(D) H100A MUTANT IN COMPLEX WITH DOXYCYCLINE AND MAGNESIUM
ComponentsTetracycline repressor protein class D
KeywordsTRANSCRIPTION / TRANSCRIPTION 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 ...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-DXT / Tetracycline repressor protein class D
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.05 Å
AuthorsHinrichs, W. / Palm, G.J. / Berndt, L. / Girbardt, B.
Citation
Journal: 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.
#1: Journal: FEBS J. / Year: 2016
Title: Modular organisation of inducer recognition and allostery in the tetracycline repressor.
Authors: Werten, S. / Schneider, J. / Palm, G.J. / Hinrichs, W.
History
DepositionApr 11, 2019Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 21, 2019Provider: repository / Type: Initial release
Revision 1.1Mar 18, 2020Group: Database references / Category: citation / citation_author
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
Revision 1.2Jan 24, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _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

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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)23,8678
Polymers23,2211
Non-polymers6467
Water2,396133
1
A: Tetracycline repressor protein class D
hetero molecules

A: Tetracycline repressor protein class D
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,73516
Polymers46,4432
Non-polymers1,29214
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation10_665-x+1,-y+1,z1
Buried area8620 Å2
ΔGint-127 kcal/mol
Surface area18960 Å2
MethodPISA
Unit cell
Length a, b, c (Å)68.291, 68.291, 179.612
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-440-

HOH

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Components

#1: Protein Tetracycline repressor protein class D


Mass: 23221.264 Da / Num. of mol.: 1 / Mutation: A2S, H100A
Source method: isolated from a genetically manipulated source
Details: RA1-plasmid / Source: (gene. exp.) Escherichia coli (E. coli) / Gene: tetR / Plasmid: pwH1950 / Production host: Escherichia coli K-12 (bacteria) / References: UniProt: P0ACT4
#2: Chemical ChemComp-DXT / (4S,4AR,5S,5AR,6R,12AS)-4-(DIMETHYLAMINO)-3,5,10,12,12A-PENTAHYDROXY-6-METHYL-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2-CARBOXAMIDE / DOXYTETRACYCLINE / DOXYCYCLINE


Mass: 444.435 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C22H24N2O8
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#4: Chemical
ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Cl
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 133 / 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: 2.25 Å3/Da / Density % sol: 45.44 %
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop
Details: precipitant: 0.5M (NH4)2SO4, 1.0M Li2SO4, 0.1 M MES pH 6.5, protein: 0.050mL protein(10mg/mL), 0.050mL 2mM doxyTc, 0.0005mL 3M MgCl2, 100mM NaCl, 50mM Tris pH 8.0, 371 protein/precipitant

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 / Wavelength: 1.5418 Å
DetectorType: RIGAKU SATURN 70 / Detector: CCD / Date: Apr 19, 2007 / Details: mirror
RadiationMonochromator: mirror / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2→32 Å / Num. obs: 14238 / % possible obs: 98.7 % / Redundancy: 10.44 % / Biso Wilson estimate: 35 Å2 / Rmerge(I) obs: 0.07 / Χ2: 0.98 / Net I/σ(I): 21.6
Reflection shellResolution: 2→2.07 Å / Redundancy: 3 % / Rmerge(I) obs: 0.43 / Mean I/σ(I) obs: 1.9 / Num. unique obs: 1128 / Χ2: 1 / % possible all: 92.8

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Processing

Software
NameVersionClassification
REFMAC5.8.0238refinement
CrystalCleardata reduction
CrystalCleardata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6RBL

6rbl


Resolution: 2.05→31.94 Å / Cor.coef. Fo:Fc: 0.966 / Cor.coef. Fo:Fc free: 0.945 / SU B: 14.931 / SU ML: 0.184 / Cross valid method: THROUGHOUT / ESU R: 0.242 / ESU R Free: 0.203 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.25665 1040 7.6 %RANDOM
Rwork0.20388 ---
obs0.20823 12593 98.61 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 48.282 Å2
Baniso -1Baniso -2Baniso -3
1-1.48 Å20 Å20 Å2
2--1.48 Å20 Å2
3----2.96 Å2
Refinement stepCycle: 1 / Resolution: 2.05→31.94 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1569 0 38 133 1740
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0131648
X-RAY DIFFRACTIONr_bond_other_d0.0010.0171544
X-RAY DIFFRACTIONr_angle_refined_deg1.6891.6492241
X-RAY DIFFRACTIONr_angle_other_deg1.3521.5773562
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.395200
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.89721.11199
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.70115286
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.7571515
X-RAY DIFFRACTIONr_chiral_restr0.0770.2214
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.021865
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02352
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_it2.2373.462800
X-RAY DIFFRACTIONr_mcbond_other2.2363.462799
X-RAY DIFFRACTIONr_mcangle_it3.3275.1681000
X-RAY DIFFRACTIONr_mcangle_other3.3265.1681001
X-RAY DIFFRACTIONr_scbond_it2.673.802848
X-RAY DIFFRACTIONr_scbond_other2.6693.796840
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other4.0645.5991242
X-RAY DIFFRACTIONr_long_range_B_refined6.16141.8131912
X-RAY DIFFRACTIONr_long_range_B_other6.06841.6221894
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.05→2.103 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.341 86 -
Rwork0.344 846 -
obs--92.83 %
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)
11.3889-0.20831.60650.28460.24052.7785-0.01570.19510.10090.1458-0.0182-0.05910.26060.20460.0340.1961-0.0328-0.04980.33930.00580.020619.295728.699113.1037
21.10590.16190.32230.02460.04641.13840.02130.04870.00250.01660.01840.00030.0195-0.0931-0.03970.27620.0927-0.00780.18830.00840.002124.690232.414739.546
37.7542.5352-0.34361.84380.55710.5007-0.28360.1522-0.1422-0.19030.16410.05370.04030.08460.11940.31090.09240.03760.161-0.01480.079751.161620.862535.9368
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A2 - 63
2X-RAY DIFFRACTION2A64 - 156
3X-RAY DIFFRACTION2A182 - 208
4X-RAY DIFFRACTION3A165 - 181

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