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- PDB-2rd3: Crystal structure of TenA homologue (HP1287) from Helicobacter pylori -
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Open data
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Basic information
Entry | Database: PDB / ID: 2rd3 | ||||||
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Title | Crystal structure of TenA homologue (HP1287) from Helicobacter pylori | ||||||
![]() | Transcriptional regulator | ||||||
![]() | HYDROLASE / TenA / HP1287 / Helicobacter pylori / Thiamin / Vitamin B1 / thiaminase II / TRANSCRIPTION | ||||||
Function / homology | ![]() aminopyrimidine aminohydrolase / thiaminase activity / thiamine diphosphate biosynthetic process / thiamine biosynthetic process / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Barison, N. / Cendron, L. / Trento, A. / Angelini, A. / Zanotti, G. | ||||||
![]() | ![]() Title: The structural and functional characterization of HP1287 from Helicobacter pylori demonstrates it is a TenA homologue Authors: Barison, N. / Cendron, L. / Trento, A. / Angelini, A. / Zanotti, G. #1: ![]() Title: Structural characterization of the regulatory proteins TenA and TenI from Bacillus subtilis and identification of TenA as a thiaminase II Authors: Toms, A.V. / Haas, A.L. / Park, J.H. / Begley, T.P. / Ealick, S.E. #2: ![]() Title: The 2.35 A structure of the TenA homolog from Pyrococcus furiosus supports an enzymatic function in thiamine metabolism Authors: Benach, J. / Edstrom, W.C. / Lee, I. / Das, K. / Cooper, B. / Xiao, R. / Liu, J. / Rost, B. / Acton, T.B. / Montelione, G.T. / Hunt, J.F. #3: ![]() Title: Structure analysis of PH1161 protein, a transcriptional activator TenA homologue from the hyperthermophilic archaeon Pyrococcus horikoshii Authors: Itou, H. / Yao, M. / Watanabe, N. / Tanaka, I. #4: ![]() Title: A new thiamin salvage pathway Authors: Jenkins, A.H. / Schyns, G. / Potot, S. / Sun, G. / Begley, T.P. | ||||||
History |
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Remark 999 | Sequence The gene author has cloned comes from a different strain. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 99.9 KB | Display | ![]() |
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PDB format | ![]() | 78.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 429.3 KB | Display | ![]() |
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Full document | ![]() | 447.7 KB | Display | |
Data in XML | ![]() | 19.1 KB | Display | |
Data in CIF | ![]() | 26.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1to9S S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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3 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: GLN / Beg label comp-ID: GLN / End auth comp-ID: SER / End label comp-ID: SER / Refine code: 3 / Auth seq-ID: 2 - 217 / Label seq-ID: 8 - 223
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Details | The biological assembly is a tetramer. The dimer in the asymmetric unit generates the tetramer through one of the two crystallographic two-fold axes. |
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Components
#1: Protein | Mass: 25665.139 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: O25874, UniProt: A8KRL3*PLUS, aminopyrimidine aminohydrolase #2: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5 Details: 0.1 M Tris, 1.1 M Lithium sulphate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 21, 2007 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9794 Å / Relative weight: 1 |
Reflection | Resolution: 2.7→125 Å / Num. all: 36057 / Num. obs: 36057 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 9.4 % / Rmerge(I) obs: 0.081 / Net I/σ(I): 9.4 |
Reflection shell | Resolution: 2.7→2.85 Å / Redundancy: 8.8 % / Rmerge(I) obs: 0.52 / Mean I/σ(I) obs: 3.8 / Num. unique all: 5136 / % possible all: 99 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1TO9 Resolution: 2.7→125 Å / Cor.coef. Fo:Fc: 0.925 / Cor.coef. Fo:Fc free: 0.918 / SU B: 8.508 / SU ML: 0.17 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.277 / ESU R Free: 0.23 / 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: 53.183 Å2
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Refinement step | Cycle: LAST / Resolution: 2.7→125 Å
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Refine LS restraints |
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Refine LS restraints NCS | Dom-ID: 1 / Auth asym-ID: A / Ens-ID: 1 / Refine-ID: X-RAY DIFFRACTION
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LS refinement shell | Resolution: 2.7→2.77 Å / Total num. of bins used: 20
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