+
Open data
-
Basic information
| Entry | Database: PDB / ID: 8b1k | ||||||
|---|---|---|---|---|---|---|---|
| Title | DtpB-Nb132-NV | ||||||
Components |
| ||||||
Keywords | MEMBRANE PROTEIN / MFS / Proton coupled Oligopeptide Transporter | ||||||
| Function / homology | Function and homology informationtripeptide transmembrane transport / dipeptide transmembrane transport / tripeptide transmembrane transporter activity / peptide:proton symporter activity / dipeptide transmembrane transporter activity / proton transmembrane transporter activity / proton transmembrane transport / protein transport / plasma membrane Similarity search - Function | ||||||
| Biological species | ![]() ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.8 Å | ||||||
Authors | Killer, M. / Finocchio, G. / Lei, J. / Jungnickel, K. / Kotov, V. / Steinke, J. / Bartels, K. / Strauss, J. / Dupeux, F. / Humm, A.S. ...Killer, M. / Finocchio, G. / Lei, J. / Jungnickel, K. / Kotov, V. / Steinke, J. / Bartels, K. / Strauss, J. / Dupeux, F. / Humm, A.S. / Cornaciu, I. / Marquez, J. / Pardon, E. / Steyeart, J. / Loew, C. | ||||||
| Funding support | 1items
| ||||||
Citation | Journal: Cell Rep / Year: 2023Title: Plasticity of the binding pocket in peptide transporters underpins promiscuous substrate recognition. Authors: Kotov, V. / Killer, M. / Jungnickel, K.E.J. / Lei, J. / Finocchio, G. / Steinke, J. / Bartels, K. / Strauss, J. / Dupeux, F. / Humm, A.S. / Cornaciu, I. / Marquez, J.A. / Pardon, E. / Steyaert, J. / Low, C. | ||||||
| History |
|
-
Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
|---|
-
Downloads & links
-
Download
| PDBx/mmCIF format | 8b1k.cif.gz | 148.7 KB | Display | PDBx/mmCIF format |
|---|---|---|---|---|
| PDB format | pdb8b1k.ent.gz | 102.6 KB | Display | PDB format |
| PDBx/mmJSON format | 8b1k.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 8b1k_validation.pdf.gz | 2.6 MB | Display | wwPDB validaton report |
|---|---|---|---|---|
| Full document | 8b1k_full_validation.pdf.gz | 2.6 MB | Display | |
| Data in XML | 8b1k_validation.xml.gz | 26.8 KB | Display | |
| Data in CIF | 8b1k_validation.cif.gz | 36.5 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/b1/8b1k ftp://data.pdbj.org/pub/pdb/validation_reports/b1/8b1k | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 8b17C ![]() 8b18C ![]() 8b19C ![]() 8b1aC ![]() 8b1bC ![]() 8b1cC ![]() 8b1dC ![]() 8b1eC ![]() 8b1fC ![]() 8b1gC ![]() 8b1hC ![]() 8b1iC ![]() 8b1jC ![]() 6gs4S S: Starting model for refinement C: citing same article ( |
|---|---|
| Similar structure data | Similarity search - Function & homology F&H Search |
-
Links
-
Assembly
| Deposited unit | ![]()
| ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |
| ||||||||||||
| Unit cell |
|
-
Components
-Protein / Antibody / Protein/peptide / Sugars , 4 types, 4 molecules ABC

| #1: Protein | Mass: 53607.746 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
|---|---|
| #2: Antibody | Mass: 13788.445 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
| #3: Protein/peptide | Mass: 231.249 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
| #4: Sugar | ChemComp-LMT / |
-Non-polymers , 8 types, 145 molecules 














| #5: Chemical | ChemComp-OCT / | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| #6: Chemical | ChemComp-PG4 / #7: Chemical | #8: Chemical | ChemComp-D12 / | #9: Chemical | #10: Chemical | ChemComp-D10 / | #11: Chemical | #12: Water | ChemComp-HOH / | |
-Details
| Has ligand of interest | Y |
|---|---|
| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
|---|
-
Sample preparation
| Crystal | Density Matthews: 4.14 Å3/Da / Density % sol: 70.32 % |
|---|---|
| Crystal grow | Temperature: 292 K / Method: vapor diffusion Details: 100 mM HEPES pH 6.7, 30-40 % PEG 400 100-300 mM NaCl, 100-300 mM MgCl2, and 10 mM of NV |
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
|---|---|
| Diffraction source | Source: SYNCHROTRON / Site: PETRA III, EMBL c/o DESY / Beamline: P13 (MX1) / Wavelength: 0.98 Å |
| Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Feb 1, 2022 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.98 Å / Relative weight: 1 |
| Reflection | Resolution: 2.8→54.14 Å / Num. obs: 53377 / % possible obs: 99.77 % / Redundancy: 2 % / Biso Wilson estimate: 77.16 Å2 / CC1/2: 1 / Net I/σ(I): 12.01 |
| Reflection shell | Resolution: 2.8→2.9 Å / Num. unique obs: 2811 / CC1/2: 0.367 |
-
Processing
| Software | Name: PHENIX / Version: 1.19.2_4158 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 6GS4 Resolution: 2.8→54.14 Å / SU ML: 0.4593 / Cross valid method: FREE R-VALUE / σ(F): 1.33 / Phase error: 30.177 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 82.31 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.8→54.14 Å
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| LS refinement shell |
|
Movie
Controller
About Yorodumi






X-RAY DIFFRACTION
Citation













PDBj








