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- PDB-2x7x: Fructose binding periplasmic domain of hybrid two component syste... -

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Basic information

Entry
Database: PDB / ID: 2x7x
TitleFructose binding periplasmic domain of hybrid two component system BT1754
ComponentsSENSOR PROTEIN
KeywordsTRANSFERASE / SENSOR HISTIDINE KINASE
Function / homology
Function and homology information


histidine kinase / phosphorelay sensor kinase activity / sequence-specific DNA binding / DNA-binding transcription factor activity / membrane
Similarity search - Function
Single alpha-helices involved in coiled-coils or other helix-helix interfaces - #850 / HTH domain AraC-type, conserved site / Bacterial regulatory proteins, araC family signature. / Helix-turn-helix domain / DNA binding HTH domain, AraC-type / Bacterial regulatory proteins, araC family DNA-binding domain profile. / helix_turn_helix, arabinose operon control protein / Periplasmic binding protein / Periplasmic binding protein domain / His Kinase A (phospho-acceptor) domain ...Single alpha-helices involved in coiled-coils or other helix-helix interfaces - #850 / HTH domain AraC-type, conserved site / Bacterial regulatory proteins, araC family signature. / Helix-turn-helix domain / DNA binding HTH domain, AraC-type / Bacterial regulatory proteins, araC family DNA-binding domain profile. / helix_turn_helix, arabinose operon control protein / Periplasmic binding protein / Periplasmic binding protein domain / His Kinase A (phospho-acceptor) domain / His Kinase A (phosphoacceptor) domain / Signal transduction histidine kinase, dimerisation/phosphoacceptor domain / Signal transduction histidine kinase-related protein, C-terminal / Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily / Histidine kinase domain / Histidine kinase domain profile. / Single alpha-helices involved in coiled-coils or other helix-helix interfaces / Response regulator receiver domain / cheY-homologous receiver domain / Signal transduction response regulator, receiver domain / Response regulatory domain profile. / CheY-like superfamily / Response regulator / Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase / Helix non-globular / Histidine kinase-like ATPases / Histidine kinase/HSP90-like ATPase / Periplasmic binding protein-like I / Special / Histidine kinase/HSP90-like ATPase superfamily / Homeobox-like domain superfamily / Prokaryotic membrane lipoprotein lipid attachment site profile. / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
beta-D-fructofuranose / : / PHOSPHATE ION / histidine kinase
Similarity search - Component
Biological speciesBACTEROIDES THETAIOTAOMICRON (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.64 Å
AuthorsSonnenburg, E.D. / Zheng, H. / Joglekar, P. / Higginbottom, S. / Firbank, S.J. / Bolam, D.N. / Sonnenburg, J.L.
CitationJournal: Cell(Cambridge,Mass.) / Year: 2010
Title: Specificity of Polysaccharide Use in Intestinal Bacteroides Species Determines Diet-Induced Microbiota Alterations.
Authors: Sonnenburg, E.D. / Zheng, H. / Joglekar, P. / Higginbottom, S.K. / Firbank, S.J. / Bolam, D.N. / Sonnenburg, J.L.
History
DepositionMar 4, 2010Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 21, 2010Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jan 24, 2018Group: Source and taxonomy / Category: entity_src_gen
Item: _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id / _entity_src_gen.pdbx_host_org_scientific_name ..._entity_src_gen.pdbx_host_org_ncbi_taxonomy_id / _entity_src_gen.pdbx_host_org_scientific_name / _entity_src_gen.pdbx_host_org_strain / _entity_src_gen.pdbx_host_org_variant
Revision 1.4Jul 29, 2020Group: Data collection / Derived calculations ...Data collection / Derived calculations / Other / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_database_status / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_database_status.status_code_sf / _pdbx_entity_nonpoly.name / _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_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_asym_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
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.5Dec 20, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: SENSOR PROTEIN
B: SENSOR PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)73,09711
Polymers72,2402
Non-polymers8579
Water1,58588
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5160 Å2
ΔGint-33.2 kcal/mol
Surface area24050 Å2
MethodPISA
Unit cell
Length a, b, c (Å)111.840, 111.840, 115.171
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number170
Space group name H-MP65

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Components

#1: Protein SENSOR PROTEIN / BT1754 PERIPLASMIC DOMAIN


Mass: 36119.922 Da / Num. of mol.: 2 / Fragment: PERIPLASMIC DOMAIN, RESIDUES 29-343
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) BACTEROIDES THETAIOTAOMICRON (bacteria)
Strain: VPI-5482 / Plasmid: PET22B / Production host: ESCHERICHIA COLI BL21(DE3) (bacteria) / Variant (production host): C41 / References: UniProt: Q8A6X1, histidine kinase
#2: Chemical
ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: PO4
#3: Sugar ChemComp-FRU / beta-D-fructofuranose / beta-D-fructose / D-fructose / fructose


Type: D-saccharide, beta linking / Mass: 180.156 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C6H12O6
IdentifierTypeProgram
DFrufbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
b-D-fructofuranoseCOMMON NAMEGMML 1.0
b-D-FrufIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
FruSNFG CARBOHYDRATE SYMBOLGMML 1.0
#4: Chemical ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: K
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 88 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsPERIPLASMIC DOMAIN ONLY. CLONED WITHOUT SIGNAL SEQUENCE AND WITH C-TERMINAL HEXA HIS TAG.

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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: 3.12 Å3/Da / Density % sol: 60 % / Description: NONE
Crystal growpH: 8
Details: 0.7 M POTASSIUM/SODIUM PHOSPHATE, 0.1 M HEPES PH 8.0

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Data collection

DiffractionMean temperature: 93 K
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I04 / Wavelength: 0.9786
DetectorType: ADSC CCD / Detector: CCD / Date: May 12, 2008 / Details: MIRRORS
RadiationMonochromator: DOUBLE CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9786 Å / Relative weight: 1
ReflectionResolution: 2.64→37 Å / Num. obs: 23919 / % possible obs: 99.7 % / Observed criterion σ(I): 0 / Redundancy: 5.9 % / Biso Wilson estimate: 50 Å2 / Rmerge(I) obs: 0.1 / Net I/σ(I): 12.4
Reflection shellResolution: 2.64→2.78 Å / Redundancy: 6 % / Rmerge(I) obs: 0.35 / Mean I/σ(I) obs: 5.6 / % possible all: 99.7

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Processing

Software
NameVersionClassification
REFMAC5.5.0102refinement
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2IOY

2ioy


Resolution: 2.64→35.69 Å / Cor.coef. Fo:Fc: 0.94 / Cor.coef. Fo:Fc free: 0.914 / SU B: 9.252 / SU ML: 0.198 / Cross valid method: THROUGHOUT / ESU R: 0.55 / ESU R Free: 0.284 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. THE 5 N-TERMINAL RESIDUES AND 19 OR 20 RESIDUES AT THE C-TERMINUS ARE DISORDERED.
RfactorNum. reflection% reflectionSelection details
Rfree0.23195 1255 5.2 %RANDOM
Rwork0.18595 ---
obs0.18838 22867 99.76 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 35.725 Å2
Baniso -1Baniso -2Baniso -3
1-0.31 Å20.15 Å20 Å2
2--0.31 Å20 Å2
3----0.46 Å2
Refinement stepCycle: LAST / Resolution: 2.64→35.69 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4596 0 47 88 4731
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0224718
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.2461.9726391
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.2815599
X-RAY DIFFRACTIONr_dihedral_angle_2_deg36.20325.049206
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.35915811
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.1511523
X-RAY DIFFRACTIONr_chiral_restr0.0820.2720
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.0213525
X-RAY DIFFRACTIONr_gen_planes_other
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_it0.5691.52982
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.09524791
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it1.50731736
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it2.5894.51600
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: 2.636→2.704 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.287 88 -
Rwork0.227 1675 -
obs--99.94 %

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