+Open data
-Basic information
Entry | Database: PDB / ID: 6vri | ||||||
---|---|---|---|---|---|---|---|
Title | Crystal Structure of the wtBlc-split Protein | ||||||
Components | (Outer membrane lipoprotein Blc) x 2 | ||||||
Keywords | UNKNOWN FUNCTION / lipocalin / heme / beta barrel / split protein | ||||||
Function / homology | Function and homology information response to stress / cell outer membrane / lipid binding / DNA damage response Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.94 Å | ||||||
Authors | Bozhanova, N.G. / Meiler, J. | ||||||
Funding support | United States, 1items
| ||||||
Citation | Journal: Febs Lett. / Year: 2021 Title: Lipocalin Blc is a potential heme-binding protein. Authors: Bozhanova, N.G. / Calcutt, M.W. / Beavers, W.N. / Brown, B.P. / Skaar, E.P. / Meiler, J. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 6vri.cif.gz | 111.5 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb6vri.ent.gz | 83.9 KB | Display | PDB format |
PDBx/mmJSON format | 6vri.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/vr/6vri ftp://data.pdbj.org/pub/pdb/validation_reports/vr/6vri | HTTPS FTP |
---|
-Related structure data
Related structure data | 1qwdS S: Starting model for refinement |
---|---|
Similar structure data |
-Links
-Assembly
Deposited unit |
| |||||||||
---|---|---|---|---|---|---|---|---|---|---|
1 |
| |||||||||
2 |
| |||||||||
3 |
| |||||||||
Unit cell |
| |||||||||
Components on special symmetry positions |
|
-Components
#1: Protein | Mass: 12266.708 Da / Num. of mol.: 3 / Fragment: N-terminal fragment (UNP residues 23-109) Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Gene: blc, Z5756, ECs5130 / Plasmid: pET11a / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): XJb(DE3) Autolysis / References: UniProt: P0A902, UniProt: P0A901*PLUS #2: Protein | Mass: 7902.951 Da / Num. of mol.: 3 / Fragment: C-terminal fragment (UNP residues 110-177) Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Gene: blc, Z5756, ECs5130 / Plasmid: pMRBAD / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): XJb(DE3) Autolysis / References: UniProt: P0A902, UniProt: P0A901*PLUS #3: Chemical | ChemComp-SO4 / #4: Chemical | ChemComp-HEM / | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | |
---|
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 2.43 Å3/Da / Density % sol: 49.41 % / Mosaicity: 0.217 ° |
---|---|
Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 4.5 Details: 1.6 M ammonium sulfate, 0.1 M MES, pH 4.5, supplemented with 5% w/v n-Dodecyl-b-D-maltoside |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
---|---|
Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 21-ID-F / Wavelength: 0.97872 Å |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Dec 16, 2018 |
Radiation | Monochromator: diamond(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97872 Å / Relative weight: 1 |
Reflection | Resolution: 1.94→59.25 Å / Num. obs: 44856 / % possible obs: 99.5 % / Redundancy: 9 % / Biso Wilson estimate: 30.626 Å2 / Rpim(I) all: 0.051 / Rrim(I) all: 0.15 / Net I/σ(I): 8.1 / Num. measured all: 403082 |
Reflection shell | Resolution: 1.94→1.97 Å / Redundancy: 8.9 % / Mean I/σ(I) obs: 2.1 / Num. unique obs: 1915 / Rpim(I) all: 0.534 / Rrim(I) all: 1.627 / % possible all: 86.2 |
-Phasing
Phasing | Method: molecular replacement | ||||||
---|---|---|---|---|---|---|---|
Phasing MR | R rigid body: 0.414
|
-Processing
Software |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB entry 1QWD Resolution: 1.94→59.25 Å / Cor.coef. Fo:Fc: 0.947 / Cor.coef. Fo:Fc free: 0.934 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.159 / ESU R Free: 0.149 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 104.16 Å2 / Biso mean: 32.65 Å2 / Biso min: 16.8 Å2
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 1.94→59.25 Å
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 1.94→1.987 Å / Rfactor Rfree error: 0
|