+Open data
-Basic information
Entry | Database: PDB / ID: 1gq7 | ||||||
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Title | PROCLAVAMINATE AMIDINO HYDROLASE FROM STREPTOMYCES CLAVULIGERUS | ||||||
Components | PROCLAVAMINATE AMIDINO HYDROLASE | ||||||
Keywords | HYDROLASE / CLAVAMINATE / CLAVAMINIC / PAH / ARGINASE / ANTIBIOTIC | ||||||
Function / homology | Function and homology information proclavaminate amidinohydrolase / proclavaminate amidinohydrolase activity / clavulanic acid biosynthetic process / putrescine biosynthetic process from arginine, using agmatinase / agmatinase activity / metal ion binding Similarity search - Function | ||||||
Biological species | STREPTOMYCES CLAVULIGERUS (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.45 Å | ||||||
Authors | Elkins, J.M. / Clifton, I.J. / Hernandez, H. / Robinson, C.V. / Schofield, C.J. / Hewitson, K.S. | ||||||
Citation | Journal: Biochem. J. / Year: 2002 Title: Oligomeric structure of proclavaminic acid amidino hydrolase: evolution of a hydrolytic enzyme in clavulanic acid biosynthesis. Authors: Elkins, J.M. / Clifton, I.J. / Hernandez, H. / Doan, L.X. / Robinson, C.V. / Schofield, C.J. / Hewitson, K.S. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1gq7.cif.gz | 333.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1gq7.ent.gz | 271.3 KB | Display | PDB format |
PDBx/mmJSON format | 1gq7.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1gq7_validation.pdf.gz | 471.4 KB | Display | wwPDB validaton report |
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Full document | 1gq7_full_validation.pdf.gz | 489.1 KB | Display | |
Data in XML | 1gq7_validation.xml.gz | 63.7 KB | Display | |
Data in CIF | 1gq7_validation.cif.gz | 87.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/gq/1gq7 ftp://data.pdbj.org/pub/pdb/validation_reports/gq/1gq7 | HTTPS FTP |
-Related structure data
Related structure data | 1gq6SC S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS oper:
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-Components
#1: Protein | Mass: 33440.738 Da / Num. of mol.: 6 Source method: isolated from a genetically manipulated source Source: (gene. exp.) STREPTOMYCES CLAVULIGERUS (bacteria) / Plasmid: PET24A(+) / Production host: ESCHERICHIA COLI BL21(DE3) (bacteria) References: UniProt: P37819, UniProt: P0DJQ3*PLUS, agmatinase #2: Chemical | ChemComp-MN / #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.28 Å3/Da / Density % sol: 50 % | ||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | pH: 7.5 / Details: 24% PEG 400, 100 MM HEPES PH7.5, pH 7.50 | ||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 17 ℃ / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Sep 15, 2001 / Details: OSMIC MIRRORS |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.45→35.58 Å / Num. obs: 65708 / % possible obs: 98.5 % / Redundancy: 4 % / Biso Wilson estimate: 31 Å2 / Rmerge(I) obs: 0.089 / Net I/σ(I): 7.1 |
Reflection shell | Resolution: 2.45→2.58 Å / Redundancy: 3.6 % / Rmerge(I) obs: 0.321 / Mean I/σ(I) obs: 2.3 / % possible all: 92.6 |
Reflection | *PLUS Num. measured all: 262831 |
Reflection shell | *PLUS % possible obs: 98.5 % / Num. unique obs: 8947 / Num. measured obs: 31969 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1GQ6 Resolution: 2.45→35.59 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 2244495 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 Details: RESIDUES WHOSE SIDE-CHAINS WERE NOT VISIBLE WERE MODELLED AS ALANINE
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Solvent computation | Solvent model: FLAT MODEL / ksol: 0.340988 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 32.7 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.45→35.59 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.45→2.6 Å / Rfactor Rfree error: 0.014 / Total num. of bins used: 6
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Xplor file |
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Refinement | *PLUS Rfactor obs: 0.22 / Rfactor Rwork: 0.22 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor obs: 0.173 |