+Open data
-Basic information
Entry | Database: PDB / ID: 3b7s | ||||||
---|---|---|---|---|---|---|---|
Title | [E296Q]LTA4H in complex with RSR substrate | ||||||
Components |
| ||||||
Keywords | HYDROLASE / TRANSITION STATE / ANALOGUE PEPTIDE / HYDROLYSIS / LEUKOTRIENE BIOSYNTHESIS / METAL-BINDING / METALLOPROTEASE / MULTIFUNCTIONAL ENZYME / PROTEASE / TRIPEPTIDE SUBSTRATE | ||||||
Function / homology | Function and homology information leukotriene-A4 hydrolase / leukotriene-A4 hydrolase activity / tripeptide aminopeptidase activity / tripeptide aminopeptidase / Biosynthesis of protectins / Biosynthesis of aspirin-triggered D-series resolvins / Biosynthesis of E-series 18(R)-resolvins / Biosynthesis of D-series resolvins / Biosynthesis of E-series 18(S)-resolvins / protein metabolic process ...leukotriene-A4 hydrolase / leukotriene-A4 hydrolase activity / tripeptide aminopeptidase activity / tripeptide aminopeptidase / Biosynthesis of protectins / Biosynthesis of aspirin-triggered D-series resolvins / Biosynthesis of E-series 18(R)-resolvins / Biosynthesis of D-series resolvins / Biosynthesis of E-series 18(S)-resolvins / protein metabolic process / Synthesis of Leukotrienes (LT) and Eoxins (EX) / epoxide hydrolase activity / leukotriene biosynthetic process / type I pneumocyte differentiation / peptide catabolic process / response to zinc ion / metalloaminopeptidase activity / aminopeptidase activity / lipid metabolic process / response to peptide hormone / tertiary granule lumen / peptidase activity / ficolin-1-rich granule lumen / Neutrophil degranulation / proteolysis / RNA binding / extracellular exosome / zinc ion binding / extracellular region / nucleoplasm / nucleus / cytosol Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.465 Å | ||||||
Authors | Tholander, F. / Haeggstrom, J. / Thunnissen, M. / Muroya, A. / Roques, B.-P. / Fournie-Zaluski, M.-C. | ||||||
Citation | Journal: Chem.Biol. / Year: 2008 Title: Structure-based dissection of the active site chemistry of leukotriene a4 hydrolase: implications for m1 aminopeptidases and inhibitor design. Authors: Tholander, F. / Muroya, A. / Roques, B.P. / Fournie-Zaluski, M.C. / Thunnissen, M.M. / Haeggstrom, J.Z. #1: Journal: Proteins / Year: 2007 Title: Assay for rapid analysis of the tri-peptidase activity of LTA4 hydrolase. Authors: Tholander, F. / Haeggstrom, J.Z. #2: Journal: J.Biol.Chem. / Year: 2004 Title: Leukotriene A4 hydrolase: identification of a common carboxylate recognition site for the epoxide hydrolase and aminopeptidase substrates. Authors: Rudberg, P.C. / Tholander, F. / Andberg, M. / Thunnissen, M.M. / Haeggstrom, J.Z. #3: Journal: J.Biol.Chem. / Year: 2002 Title: Leukotriene A4 hydrolase/aminopeptidase. Glutamate 271 is a catalytic residue with specific roles in two distinct enzyme mechanisms. Authors: Rudberg, P.C. / Tholander, F. / Thunnissen, M.M. / Haeggstrom, J.Z. #4: Journal: Proc.Natl.Acad.Sci.USA / Year: 2002 Title: Leukotriene A4 hydrolase: selective abrogation of leukotriene B4 formation by mutation of aspartic acid 375. Authors: Rudberg, P.C. / Tholander, F. / Thunnissen, M.M. / Samuelsson, B. / Haeggstrom, J.Z. #5: Journal: Nat.Struct.Biol. / Year: 2001 Title: Crystal structure of human leukotriene A(4) hydrolase, a bifunctional enzyme in inflammation. Authors: Thunnissen, M.M. / Nordlund, P. / Haeggstrom, J.Z. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 3b7s.cif.gz | 283.3 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb3b7s.ent.gz | 223.8 KB | Display | PDB format |
PDBx/mmJSON format | 3b7s.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3b7s_validation.pdf.gz | 453.1 KB | Display | wwPDB validaton report |
---|---|---|---|---|
Full document | 3b7s_full_validation.pdf.gz | 464 KB | Display | |
Data in XML | 3b7s_validation.xml.gz | 29.4 KB | Display | |
Data in CIF | 3b7s_validation.cif.gz | 45.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/b7/3b7s ftp://data.pdbj.org/pub/pdb/validation_reports/b7/3b7s | HTTPS FTP |
-Related structure data
Related structure data | 2r59C 3b7rC 3b7tC 3b7uC 1h19S C: citing same article (ref.) S: Starting model for refinement |
---|---|
Similar structure data |
-Links
-Assembly
Deposited unit |
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
|
-Components
-Protein / Protein/peptide , 2 types, 2 molecules AB
#1: Protein | Mass: 70060.664 Da / Num. of mol.: 1 / Mutation: E296Q Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: LTA4H, LTA4 / Plasmid: pT7T3 / Production host: Escherichia coli (E. coli) / Strain (production host): JM101 References: UniProt: P09960, leukotriene-A4 hydrolase, tripeptide aminopeptidase |
---|---|
#2: Protein/peptide | Mass: 419.481 Da / Num. of mol.: 1 / Source method: obtained synthetically |
-Non-polymers , 5 types, 609 molecules
#3: Chemical | ChemComp-ZN / |
---|---|
#4: Chemical | ChemComp-YB / |
#5: Chemical | ChemComp-ACY / |
#6: Chemical | ChemComp-GOL / |
#7: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 2.43 Å3/Da / Density % sol: 49.32 % |
---|---|
Crystal grow | Temperature: 298 K / Method: liquid-liquid diffusion Details: TRI-PEPTIDE WAS CO-CRYSTALLIZED WITH [E296Q]LTA4H BY LIQUID-LIQUID DIFFUSION IN MELTING-POINT CAPILLARIES. A TRIS-BUFFERED (10 mM, PH 7.5) SOLUTION OF PROTEIN AND TRIPEPTIDE, MOLAR RATIO 1: ...Details: TRI-PEPTIDE WAS CO-CRYSTALLIZED WITH [E296Q]LTA4H BY LIQUID-LIQUID DIFFUSION IN MELTING-POINT CAPILLARIES. A TRIS-BUFFERED (10 mM, PH 7.5) SOLUTION OF PROTEIN AND TRIPEPTIDE, MOLAR RATIO 1:10 (~70 MICROM PROTEIN), WAS LAYERED ON THE PRECIPITATE SOLUTION CONTAINING 28% (WEIGHT/VOLUME) POLYETHYLENE GLYCOL (MW 8000), 50 mM NA ACETATE, 100 mM IMIDAZOLE, PH 6.8, AND 5 MM YBCL3. CRYSTALS WERE ADDITIONALLY SOAKED IN SOLUTIONS WITH INCREASED TRI-PEPTIDE CONCENTRATION PRIOR TO DATA COLLECTION., liquid-liquid diffusion, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
---|---|
Diffraction source | Source: SYNCHROTRON / Site: MAX II / Beamline: I711 / Wavelength: 0.97 Å |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Apr 24, 2004 |
Radiation | Monochromator: SI(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97 Å / Relative weight: 1 |
Reflection | Resolution: 1.465→18.254 Å / Num. obs: 116485 / % possible obs: 98.2 % / Observed criterion σ(I): 2 / Redundancy: 4.3 % / Rmerge(I) obs: 0.059 / Rsym value: 0.059 / Net I/σ(I): 7.8 |
Reflection shell | Resolution: 1.465→1.54 Å / Redundancy: 3.8 % / Rmerge(I) obs: 0.261 / Mean I/σ(I) obs: 2.7 / Num. measured all: 58235 / Num. unique all: 15153 / Rsym value: 0.261 / % possible all: 88.4 |
-Processing
Software |
| |||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: FOURIER SYNTHESIS Starting model: pdb entry 1H19 Resolution: 1.465→10 Å / Num. parameters: 49491 / Num. restraintsaints: 60634 / Isotropic thermal model: anisotropic / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: ANISOTROPIC REFINEMENT REDUCED FREE R (NO CUTOFF) BY 0.023
| |||||||||||||||||||||||||||||||||
Solvent computation | Solvent model: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228 | |||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 17.362 Å2 | |||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.465→10 Å
| |||||||||||||||||||||||||||||||||
Refine LS restraints |
| |||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 1.465→1.52 Å /
|