+Open data
-Basic information
Entry | Database: PDB / ID: 1ob4 | ||||||
---|---|---|---|---|---|---|---|
Title | Cephaibol A | ||||||
Components | CEPHAIBOL A | ||||||
Keywords | ANTIBIOTIC / ION CHANNEL / CEPHAIBOL / PEPTAIBOL / ANTIBACTERIAL / ANTIFUNGAL | ||||||
Function / homology | Cephaibol A / ETHANOL / : Function and homology information | ||||||
Biological species | ACREMONIUM TUBAKII (fungus) | ||||||
Method | X-RAY DIFFRACTION / DIRECT METHODS / Resolution: 0.95 Å | ||||||
Authors | Bunkoczi, G. / Schiell, M. / Vertesy, L. / Sheldrick, G.M. | ||||||
Citation | Journal: J.Pept.Sci. / Year: 2003 Title: Crystal Structures of Cephaibols Authors: Bunkoczi, G. / Schiell, M. / Vertesy, L. / Sheldrick, G.M. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 1ob4.cif.gz | 15.4 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb1ob4.ent.gz | 11.6 KB | Display | PDB format |
PDBx/mmJSON format | 1ob4.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ob/1ob4 ftp://data.pdbj.org/pub/pdb/validation_reports/ob/1ob4 | HTTPS FTP |
---|
-Related structure data
-Links
-Assembly
Deposited unit |
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
|
-Components
#1: Protein/peptide | Type: Peptaibol / Class: Antibiotic / Mass: 1654.991 Da / Num. of mol.: 1 / Source method: isolated from a natural source Details: CEPHAIBOL A IS A HEXADECAMERIC HELICAL PEPTIDE. THE N-TERM IS ACETYLATED (RESIDUE 0) Source: (natural) ACREMONIUM TUBAKII (fungus) / References: NOR: NOR00969, Cephaibol A |
---|---|
#2: Chemical | ChemComp-EOH / |
#3: Water | ChemComp-HOH / |
Compound details | CEPHAIBOL A IS LINEAR PEPTIDE, A MEMBER OF THE PEPTAIBOL FAMILY OF MEMBRANE CHANNEL FORMING ...CEPHAIBOL A IS LINEAR PEPTIDE, A MEMBER OF THE PEPTAIBOL FAMILY OF MEMBRANE CHANNEL FORMING PEPTIDES. HERE, CEPHAIBOL A IS REPRESENTE |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 1.57 Å3/Da / Density % sol: 22 % | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Crystal grow | pH: 4.6 / Details: 0.1 M NAAC/HAC PH=4.6, 34% ETOH, pH 4.60 | ||||||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion, hanging drop / PH range low: 4.8 / PH range high: 4.2 | ||||||||||||||||||||||||
Components of the solutions | *PLUS
|
-Data collection
Diffraction | Mean temperature: 100 K |
---|---|
Diffraction source | Source: ROTATING ANODE / Type: BRUKER M06XCE / Wavelength: 1.5418 |
Detector | Type: BRUKER SMART 6000 / Detector: CCD / Date: Feb 15, 2002 / Details: MIRRORS |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 0.95→37.8 Å / Num. obs: 7025 / % possible obs: 98.6 % / Redundancy: 9.45 % / Rmerge(I) obs: 0.0431 / Net I/σ(I): 29.21 |
Reflection shell | Resolution: 0.95→1.05 Å / Redundancy: 4.66 % / Rmerge(I) obs: 0.1156 / Mean I/σ(I) obs: 10.67 / % possible all: 96.6 |
Reflection | *PLUS Highest resolution: 0.95 Å / Redundancy: 9.45 % / Num. measured all: 67303 / Rmerge(I) obs: 0.0431 |
Reflection shell | *PLUS % possible obs: 96.6 % / Rmerge(I) obs: 0.1156 / Mean I/σ(I) obs: 10.67 |
-Processing
Software |
| |||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: DIRECT METHODS / Resolution: 0.95→37.8 Å / Num. parameters: 1429 / Num. restraintsaints: 2016 / Cross valid method: FREE R-VALUE / σ(F): 0 StereochEM target val spec case: RESTRAINTS FOR AIB, DIV, HYP AND PHL FROM ANTIAMOEBIN (PDB 1JOH) Stereochemistry target values: ENGH AND HUBER
| |||||||||||||||||||||||||||||||||
Solvent computation | Solvent model: MOEWS & KRETSINGER | |||||||||||||||||||||||||||||||||
Refine analyze | Num. disordered residues: 2 / Occupancy sum hydrogen: 124 / Occupancy sum non hydrogen: 133.28 | |||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 0.95→37.8 Å
| |||||||||||||||||||||||||||||||||
Refine LS restraints |
| |||||||||||||||||||||||||||||||||
Software | *PLUS Name: SHELXL / Version: 97 / Classification: refinement | |||||||||||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 37.79 Å / Rfactor Rwork: 0.0872 | |||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
|