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Open data
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Basic information
Entry | Database: PDB / ID: 2wtl | ||||||
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Title | Crystal structure of BfrA from M. tuberculosis | ||||||
![]() | BACTERIOFERRITIN | ||||||
![]() | METAL BINDING PROTEIN / BACTERIOFERRITIN A / HEME / IRON / BILIVERDIN / IRON STORAGE / METAL-BINDING | ||||||
Function / homology | ![]() Mtb iron assimilation by chelation / ferrous iron transmembrane transporter activity / : / response to iron ion / ferroxidase / ferroxidase activity / ferric iron binding / iron ion transport / intracellular iron ion homeostasis / iron ion binding ...Mtb iron assimilation by chelation / ferrous iron transmembrane transporter activity / : / response to iron ion / ferroxidase / ferroxidase activity / ferric iron binding / iron ion transport / intracellular iron ion homeostasis / iron ion binding / heme binding / extracellular region / plasma membrane / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Gupta, V. / Gupta, R.K. / Khare, G. / Salunke, D.M. / Tyagi, A.K. | ||||||
![]() | ![]() Title: Crystal Structure of Bfra from Mycobacterium Tuberculosis:Incorporation of Selenomethionine Results in Cleavage and Demetallation of Haem Authors: Gupta, V. / Gupta, R.K. / Khare, G. / Salunke, D.M. / Tyagi, A.K. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 205.6 KB | Display | ![]() |
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PDB format | ![]() | 166.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.3 MB | Display | ![]() |
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Full document | ![]() | 1.3 MB | Display | |
Data in XML | ![]() | 37.2 KB | Display | |
Data in CIF | ![]() | 50.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3bknS S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Noncrystallographic symmetry (NCS) | NCS oper:
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Components
#1: Protein | Mass: 20096.705 Da / Num. of mol.: 6 Source method: isolated from a genetically manipulated source Details: THIS IS A SELENOMETHIONYL ANALOG OF BFRA FROM M. TUBERCULOSIS (RV1876) WITH MSE31, MSE52, MSE107 AND MSE141 INSTEAD OF M31, M52, M107 AND M141 Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Chemical | ChemComp-FE / #3: Chemical | #4: Chemical | Num. of mol.: 3 / Source method: obtained synthetically #5: Water | ChemComp-HOH / | Has protein modification | Y | Nonpolymer details | UNKNOWN ATOM OR ION (UNX): UNKNOWN ION AT 4-FOLD AXIS PLACED WITH 0.25 OCCUPANCY UNKNOWN (UNL): ...UNKNOWN ATOM OR ION (UNX): UNKNOWN ION AT 4-FOLD AXIS PLACED WITH 0.25 OCCUPANCY UNKNOWN (UNL): POSSIBLE BILIVERDIN | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.06 Å3/Da / Density % sol: 59.8 % / Description: NONE |
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Crystal grow | pH: 8 Details: PROTEIN (9MG/ML) WAS CRYSTALLIZED WITH 1.6M NACL; 100MM TRIS-HCL, PH 8.0 AT ROOM TEMPERATURE |
-Data collection
Diffraction | Mean temperature: 295 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MAR555 FLAT PANEL / Detector: IMAGE PLATE / Details: MIRRORS |
Radiation | Monochromator: SI (111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.8148 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→25 Å / Num. obs: 45901 / % possible obs: 99.4 % / Observed criterion σ(I): 1.6 / Redundancy: 4.4 % / Biso Wilson estimate: 31.49 Å2 / Rmerge(I) obs: 0.1 / Net I/σ(I): 6.7 |
Reflection shell | Resolution: 2.5→2.59 Å / Redundancy: 4.1 % / Rmerge(I) obs: 0.29 / Mean I/σ(I) obs: 1.6 / % possible all: 97.1 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 3BKN Resolution: 2.59→36.047 Å / SU ML: 1.31 / σ(F): 1.36 / Phase error: 23.01 / Stereochemistry target values: MLHL Details: FE2 MODELED WITH 0.3 OCCUPANCY RESIDUES 160-162 IN ALL CHAINS MODELED WITH 0.5 OCCUPANCY. UNKNOWN LIGAND (POSSIBLY BLV) MODELED WITH 0.5 OCCUPANCY
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 37.434 Å2 / ksol: 0.327 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters |
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Refinement step | Cycle: LAST / Resolution: 2.59→36.047 Å
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Refine LS restraints |
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LS refinement shell |
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