+ Open data
Open data
- Basic information
Basic information
| Entry | Database: PDB / ID: 2pm4 | ||||||
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| Title | Human alpha-defensin 1 (multiple Arg->Lys mutant) | ||||||
|  Components | Neutrophil defensin 1 (HNP-1) (HP-1) (HP1) (Defensin, alpha 1) | ||||||
|  Keywords | ANTIMICROBIAL PROTEIN / antimicrobial / defensin / mutant | ||||||
| Function / homology |  Function and homology information pore-forming activity / disruption of plasma membrane integrity in another organism / Defensins / killing by host of symbiont cells / T cell chemotaxis / Alpha-defensins / defense response to protozoan / defense response to fungus / estrogen receptor signaling pathway / innate immune response in mucosa ...pore-forming activity / disruption of plasma membrane integrity in another organism / Defensins / killing by host of symbiont cells / T cell chemotaxis / Alpha-defensins / defense response to protozoan / defense response to fungus / estrogen receptor signaling pathway / innate immune response in mucosa / Golgi lumen / chemotaxis / antimicrobial humoral immune response mediated by antimicrobial peptide / azurophil granule lumen / antibacterial humoral response / :  / cellular response to lipopolysaccharide / defense response to Gram-negative bacterium / defense response to virus / killing of cells of another organism / defense response to Gram-positive bacterium / immune response / Neutrophil degranulation / protein homodimerization activity / extracellular space / extracellular exosome / extracellular region Similarity search - Function | ||||||
| Biological species |  Homo sapiens (human) | ||||||
| Method |  X-RAY DIFFRACTION /  MOLECULAR REPLACEMENT / Resolution: 1.95 Å | ||||||
|  Authors | Lubkowski, J. / Pazgier, M. / Lu, W. | ||||||
|  Citation |  Journal: J.Biol.Chem. / Year: 2007 Title: Toward understanding the cationicity of defensins. Arg and Lys versus their noncoded analogs. Authors: Zou, G. / de Leeuw, E. / Li, C. / Pazgier, M. / Li, C. / Zeng, P. / Lu, W.Y. / Lubkowski, J. / Lu, W. | ||||||
| History | 
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- Structure visualization
Structure visualization
| Structure viewer | Molecule:  Molmil  Jmol/JSmol | 
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- Downloads & links
Downloads & links
- Download
Download
| PDBx/mmCIF format |  2pm4.cif.gz | 25.9 KB | Display |  PDBx/mmCIF format | 
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| PDB format |  pdb2pm4.ent.gz | 16.8 KB | Display |  PDB format | 
| PDBx/mmJSON format |  2pm4.json.gz | Tree view |  PDBx/mmJSON format | |
| Others |  Other downloads | 
-Validation report
| Summary document |  2pm4_validation.pdf.gz | 412.4 KB | Display |  wwPDB validaton report | 
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| Full document |  2pm4_full_validation.pdf.gz | 412.4 KB | Display | |
| Data in XML |  2pm4_validation.xml.gz | 5.6 KB | Display | |
| Data in CIF |  2pm4_validation.cif.gz | 7.2 KB | Display | |
| Arichive directory |  https://data.pdbj.org/pub/pdb/validation_reports/pm/2pm4  ftp://data.pdbj.org/pub/pdb/validation_reports/pm/2pm4 | HTTPS FTP | 
-Related structure data
| Related structure data |  2plzC  1dfnS S: Starting model for refinement C: citing same article ( | 
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| Similar structure data | 
- Links
Links
- Assembly
Assembly
| Deposited unit |  
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| 1 |  
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| 2 |  
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| Unit cell | 
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| Components on special symmetry positions | 
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| Details | biological dimer is formed by chain B and its symmetry related by operator -x,-y,z | 
- Components
Components
| #1: Protein/peptide | Mass: 3412.079 Da / Num. of mol.: 2 / Mutation: Arg14->Lys, Arg15->Lys, Arg24->Lys Source method: isolated from a genetically manipulated source Source: (gene. exp.)  Homo sapiens (human) / Gene: DEFA1, DEF1, DEFA2 / Production host:   Escherichia coli (E. coli) / References: UniProt: P59665, UniProt: P59666*PLUS #2: Water | ChemComp-HOH / | Has protein modification | Y |  | 
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-Experimental details
-Experiment
| Experiment | Method:  X-RAY DIFFRACTION / Number of used crystals: 1 | 
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- Sample preparation
Sample preparation
| Crystal | Density Matthews: 3.05 Å3/Da / Density % sol: 59.63 % | 
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop Details: 0.4 M ammonium phosphate monobasic, VAPOR DIFFUSION, HANGING DROP, temperature 293K | 
-Data collection
| Diffraction | Mean temperature: 100 K | 
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| Diffraction source | Source:  ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 | 
| Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Mar 2, 2007 / Details: mirrors | 
| Radiation | Monochromator: Si crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | 
| Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 | 
| Reflection | Resolution: 1.95→30 Å / Num. all: 6505 / Num. obs: 6505 / % possible obs: 97 % / Observed criterion σ(I): -3 / Redundancy: 3.4 % / Rmerge(I) obs: 0.048 / Rsym value: 0.048 / Net I/σ(I): 21 | 
| Reflection shell | Resolution: 1.95→2.02 Å / Redundancy: 3.5 % / Rmerge(I) obs: 0.412 / Mean I/σ(I) obs: 3.1 / Num. unique all: 610 / Rsym value: 0.412 / % possible all: 95.5 | 
- Processing
Processing
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| Refinement | Method to determine structure:  MOLECULAR REPLACEMENT Starting model: 1DFN Resolution: 1.95→20 Å / Cor.coef. Fo:Fc: 0.96 / Cor.coef. Fo:Fc free: 0.938 / SU B: 6.802 / SU ML: 0.1 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R: 0.145 / ESU R Free: 0.15 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso  mean: 49.312 Å2 
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| Refine analyze | Luzzati coordinate error obs: 0.3333 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 1.95→20 Å 
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| Refine LS restraints | 
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| LS refinement shell | Resolution: 1.949→1.999 Å / Total num. of bins used: 20 
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| Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION 
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| Refinement TLS group | 
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