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- PDB-2i6u: Crystal Structure of Ornithine Carbamoyltransferase complexed wit... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2i6u | ||||||
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Title | Crystal Structure of Ornithine Carbamoyltransferase complexed with Carbamoyl Phosphate and L-Norvaline from Mycobacterium tuberculosis (Rv1656) at 2.2 A | ||||||
![]() | Ornithine carbamoyltransferase | ||||||
![]() | TRANSFERASE / Mycobacterium tuberculosis / ornithine carbamyoltransferase / Carbamoyl phosphate / L-Norvaline / Structural Genomics / PSI / Protein Structure Initiative / TB Structural Genomics Consortium / TBSGC | ||||||
Function / homology | ![]() ornithine carbamoyltransferase / ornithine carbamoyltransferase activity / arginine biosynthetic process via ornithine / citrulline biosynthetic process / arginine biosynthetic process / amino acid binding / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Sankaranarayanan, R. / Moradian, F. / Cherney, L.T. / Garen, C. / Cherney, M.M. / James, M.N.G. / TB Structural Genomics Consortium (TBSGC) | ||||||
![]() | ![]() Title: The crystal structures of ornithine carbamoyltransferase from Mycobacterium tuberculosis and its ternary complex with carbamoyl phosphate and L-norvaline reveal the enzyme's catalytic mechanism Authors: Sankaranarayanan, R. / Cherney, M.M. / Cherney, L.T. / Garen, C.R. / Moradian, F. / James, M.N. | ||||||
History |
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Remark 999 | SEQUENCE VAL1 IS IN THE PROTEIN SEQUENCE LISTED AT THE TB CONSORTIUM WEBSITE UNDER THE ACCESSION CODE RV1656. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 195.3 KB | Display | ![]() |
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PDB format | ![]() | 155.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 483.8 KB | Display | ![]() |
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Full document | ![]() | 494.4 KB | Display | |
Data in XML | ![]() | 40.3 KB | Display | |
Data in CIF | ![]() | 58.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2p2gC ![]() 1fb5S S: Starting model for refinement C: citing same article ( |
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Similar structure data | |
Other databases |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Unit cell |
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Details | Assymetric Unit of the crystal contains Trimer which is the Biological entity |
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Components
#1: Protein | Mass: 33064.195 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P0A5M8, UniProt: P9WIT9*PLUS, ornithine carbamoyltransferase #2: Chemical | ChemComp-SO4 / #3: Chemical | #4: Chemical | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.31 Å3/Da / Density % sol: 62.84 % |
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Crystal grow | Temperature: 273 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 1.6M Magnesium Sulfate, 0.1M Bis-Tris, 8% PEG 400, 3% ethanol, 3mM L-Norvaline, 3mM Carbamoyl phosphate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 273K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jul 13, 2006 Details: Vertical focusing mirror; single crystal Si(311) bent monochromator (horizontal focusing) |
Radiation | Monochromator: Side-scattering cuberoot I-beam bent single crystal; asymetric cut 12.2 degs. Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.979462 Å / Relative weight: 1 |
Reflection | Resolution: 2.2→49.568 Å / Num. all: 69827 / Num. obs: 51538 / % possible obs: 73.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5.5 % / Biso Wilson estimate: 24.1 Å2 / Rmerge(I) obs: 0.082 / Net I/σ(I): 16.4 |
Reflection shell | Resolution: 2.2→2.28 Å / Redundancy: 3.1 % / Rmerge(I) obs: 0.307 / Mean I/σ(I) obs: 3.3 / Num. unique all: 2981 / % possible all: 43.9 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1FB5 Resolution: 2.2→49.568 Å / Cor.coef. Fo:Fc: 0.95 / Cor.coef. Fo:Fc free: 0.903 / SU B: 4.93 / SU ML: 0.125 / Isotropic thermal model: Isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R: 0.28 / ESU R Free: 0.233 / 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: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 19.994 Å2
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Refinement step | Cycle: LAST / Resolution: 2.2→49.568 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.2→2.257 Å / Total num. of bins used: 20
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