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Yorodumi- PDB-1ekp: CRYSTAL STRUCTURE OF HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFE... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1ekp | ||||||
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Title | CRYSTAL STRUCTURE OF HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE (MITOCHONDRIAL) COMPLEXED WITH PYRIDOXAL-5'-PHOSPHATE AT 2.5 ANGSTROMS (MONOCLINIC FORM). | ||||||
Components | BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE (MITOCHONDRIAL) | ||||||
Keywords | TRANSFERASE / FOLD TYPE IV | ||||||
Function / homology | Function and homology information regulation of hormone levels / isoleucine catabolic process / L-leucine:2-oxoglutarate aminotransferase activity / branched-chain-amino-acid transaminase / L-leucine transaminase activity / L-valine transaminase activity / L-isoleucine transaminase activity / branched-chain amino acid biosynthetic process / branched-chain-amino-acid transaminase activity / Branched-chain amino acid catabolism ...regulation of hormone levels / isoleucine catabolic process / L-leucine:2-oxoglutarate aminotransferase activity / branched-chain-amino-acid transaminase / L-leucine transaminase activity / L-valine transaminase activity / L-isoleucine transaminase activity / branched-chain amino acid biosynthetic process / branched-chain-amino-acid transaminase activity / Branched-chain amino acid catabolism / L-leucine biosynthetic process / valine biosynthetic process / cellular response to leukemia inhibitory factor / lipid metabolic process / mitochondrial matrix / mitochondrion / nucleoplasm Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / Resolution: 2.5 Å | ||||||
Authors | Yennawar, N.H. / Dunbar, J.H. / Conway, M. / Hutson, S.M. / Farber, G.K. | ||||||
Citation | Journal: Acta Crystallogr.,Sect.D / Year: 2001 Title: The structure of human mitochondrial branched-chain aminotransferase. Authors: Yennawar, N. / Dunbar, J. / Conway, M. / Hutson, S. / Farber, G. #1: Journal: BIOCHIM.BIOPHYS.ACTA / Year: 1997 Title: Cloning of the Rat and Human Mitochondrial Branched Chain Aminotransferases (BCATm) Authors: Bledsoe, R.K. / Dawson, P.A. / Hutson, S.M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1ekp.cif.gz | 156.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1ekp.ent.gz | 124.2 KB | Display | PDB format |
PDBx/mmJSON format | 1ekp.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1ekp_validation.pdf.gz | 461.6 KB | Display | wwPDB validaton report |
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Full document | 1ekp_full_validation.pdf.gz | 484 KB | Display | |
Data in XML | 1ekp_validation.xml.gz | 31.7 KB | Display | |
Data in CIF | 1ekp_validation.cif.gz | 43.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ek/1ekp ftp://data.pdbj.org/pub/pdb/validation_reports/ek/1ekp | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Details | THE BIOLOGICAL ASSEMBLY IS A DIMER CONSTRUCTED FROM CHAINS A AND B. |
-Components
#1: Protein | Mass: 41368.016 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Plasmid: PET-28A / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21DE3 References: UniProt: O15382, branched-chain-amino-acid transaminase #2: Chemical | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 3 |
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-Sample preparation
Crystal | Density Matthews: 2.39 Å3/Da / Density % sol: 48.55 % | ||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7 Details: PEG1500, DTT, HEPES; NA OR K PHOSPHATE, DTT, HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K | ||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 298 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 |
Detector | Type: RIGAKU RAXIS II / Detector: IMAGE PLATE / Date: Mar 22, 1997 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→40.65 Å / Num. all: 27035 / Num. obs: 21222 / % possible obs: 79.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.632 % / Biso Wilson estimate: 18.4 Å2 / Rmerge(I) obs: 0.063 / Net I/σ(I): 13.1 |
Reflection shell | Resolution: 2.5→2.54 Å / Redundancy: 1.35 % / Rmerge(I) obs: 0.203 / % possible all: 66.8 |
Reflection | *PLUS Num. all: 27009 / % possible obs: 78.6 % |
Reflection shell | *PLUS % possible obs: 66.8 % |
-Processing
Software |
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Refinement | Starting model: E. COLI BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE Resolution: 2.5→40.65 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 320233.84 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2 / σ(I): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 33.37 Å2 / ksol: 0.303 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 26.2 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.5→40.65 Å
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Refine LS restraints |
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Refine LS restraints NCS | NCS model details: CONSTR | ||||||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 2.5→2.66 Å / Rfactor Rfree error: 0.019 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: CNS / Version: 0.9 / Classification: refinement | ||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Num. reflection all: 27009 / Num. reflection obs: 21221 / Rfactor Rfree: 0.22 / Rfactor Rwork: 0.16 | ||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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