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- PDB-1mlz: Crystal Structure of 7,8-Diaminopelargonic Acid Synthase in compl... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1mlz | ||||||
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Title | Crystal Structure of 7,8-Diaminopelargonic Acid Synthase in complex with the trans-isomer of amiclenomycin. | ||||||
![]() | 7,8-diamino-pelargonic acid aminotransferase | ||||||
![]() | TRANSFERASE / Aminotransferase / Fold type I / subclass II / amiclenomycin | ||||||
Function / homology | ![]() adenosylmethionine-8-amino-7-oxononanoate transaminase / adenosylmethionine-8-amino-7-oxononanoate transaminase activity / dethiobiotin synthase activity / biotin biosynthetic process / pyridoxal phosphate binding / protein homodimerization activity / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Sandmark, J. / Mann, S. / Marquet, A. / Schneider, G. | ||||||
![]() | ![]() Title: Structural basis for the inhibition of the biosynthesis of biotin by the antibiotic amiclenomycin Authors: Sandmark, J. / Mann, S. / Marquet, A. / Schneider, G. | ||||||
History |
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Remark 999 | sequence The crystallized protein differs from the Swissprot sequence at residue 14. Number 14 is a ...sequence The crystallized protein differs from the Swissprot sequence at residue 14. Number 14 is a leucin, while in the Swissprot sequence number 14 is a tryptophan. This is confirmed by DNA sequencing and was also reported for the original WT structure (1qj5). |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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PDBx/mmCIF format | ![]() | 185.5 KB | Display | ![]() |
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PDB format | ![]() | 147.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 473.1 KB | Display | ![]() |
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Full document | ![]() | 501 KB | Display | |
Data in XML | ![]() | 39.4 KB | Display | |
Data in CIF | ![]() | 54.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 47310.391 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P12995, adenosylmethionine-8-amino-7-oxononanoate transaminase #2: Chemical | #3: Chemical | #4: Chemical | #5: Water | ChemComp-HOH / | Nonpolymer details | A covalent adduct is formed between pyridoxal-5'-phosphate and the amiclenomycin in the A subunit. ...A covalent adduct is formed between pyridoxal-5'-phosphate and the amiclenomycin in the A subunit. In the B subunit the density for amiclenomycin is significantly weaker. The amiclenomycin molecule is modeled as non-covalently bound in the B subunit, but the model has high B factors and is not well supported by structural data. For a better view of the pyridoxal-5'-phosphate-amiclenomycin adduct see the A subunit in the structure of the enzyme in complex with the cis-isomer (PDB ID 1mly). For details see the primary citation. | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.07 Å3/Da / Density % sol: 40.49 % | ||||||||||||||||||||
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Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: PEG4000, MPD, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K | ||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion / Details: Kack, H., (1998) Acta Crystallogr., D54, 1397. | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: CCD / Date: May 10, 2001 |
Radiation | Monochromator: Si(111) monochromator crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.991 Å / Relative weight: 1 |
Reflection | Resolution: 2.15→22.36 Å / Num. all: 41748 / Num. obs: 41748 / % possible obs: 98.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 31.2 Å2 / Rsym value: 0.066 / Net I/σ(I): 13.9 |
Reflection shell | Resolution: 2.15→2.27 Å / Mean I/σ(I) obs: 2.9 / Rsym value: 0.291 / % possible all: 96 |
Reflection | *PLUS Lowest resolution: 20 Å / Num. obs: 38070 / Num. measured all: 112317 / Rmerge(I) obs: 0.066 |
Reflection shell | *PLUS % possible obs: 96 % / Rmerge(I) obs: 0.291 |
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Processing
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Refinement | Method to determine structure: ![]() Details: In monomer A two stretches of residues are disordered, 159-169 and 186-192 resp. In monomer B three stretches of residues are disordered, 158-168, 189-194 and 296-301 resp. Residue 429 was ...Details: In monomer A two stretches of residues are disordered, 159-169 and 186-192 resp. In monomer B three stretches of residues are disordered, 158-168, 189-194 and 296-301 resp. Residue 429 was excluded from both monomers. A number of sidechains on the surface of the protein are disordered. The occupancy for these is estimated to 0 in most cases.
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 32.347 Å2
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Refinement step | Cycle: LAST / Resolution: 2.15→22.36 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.15→2.205 Å / Total num. of bins used: 20 /
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Refinement | *PLUS Lowest resolution: 20 Å / Rfactor Rfree: 0.24 / Rfactor Rwork: 0.205 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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