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Open data
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Basic information
Entry | Database: PDB / ID: 1kkg | ||||||
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Title | NMR Structure of Ribosome-Binding Factor A (RbfA) | ||||||
![]() | ribosome-binding factor A | ||||||
![]() | STRUCTURAL GENOMICS / cold-shock adaptation / ribosome-binding factor / NESG Project / PSI / Protein Structure Initiative / Northeast Structural Genomics Consortium | ||||||
Function / homology | ![]() ribosomal small subunit binding / response to cold / maturation of SSU-rRNA / ribosome biogenesis / ribosomal small subunit biogenesis / DNA damage response / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | SOLUTION NMR / simulated annealing, torsion angle dynamics, automated analysis of NOESY data, 3D structures. | ||||||
![]() | Huang, Y.J. / Swapna, G.V.T. / Rajan, P.K. / Ke, H. / Xia, B. / Shukla, K. / Inouye, M. / Montelione, G.T. / Northeast Structural Genomics Consortium (NESG) | ||||||
![]() | ![]() Title: Solution NMR Structure of Ribosome-binding Factor A (RbfA), A Cold-shock Adaptation Protein from Escherichia coli Authors: Huang, Y.J. / Swapna, G.V.T. / Rajan, P.K. / Ke, H. / Xia, B. / Shukla, K. / Inouye, M. / Montelione, G.T. #1: ![]() Title: Resonance Assignments for Cold-shock Protein Ribosome-Binding Factor A (RbfA) from Escherichia coli. Authors: Swapna, G.V. / Shukla, K. / Huang, Y.J. / Ke, H. / Xia, B. / Inouye, M. / Montelione, G.T. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 546.9 KB | Display | ![]() |
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PDB format | ![]() | 456.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 344.5 KB | Display | ![]() |
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Full document | ![]() | 507.2 KB | Display | |
Data in XML | ![]() | 52.7 KB | Display | |
Data in CIF | ![]() | 68 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data | |
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Links
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Assembly
Deposited unit | ![]()
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NMR ensembles |
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Components
#1: Protein | Mass: 12289.378 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||||||
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NMR experiment |
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NMR details | Text: THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR SPECTROSCOPY, AUTOMATED ANALYSIS OF ASSIGNMENTS AND AUTOMATED ANALYSIS OF 3D STRUCTURE. |
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Sample preparation
Details |
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Sample conditions | Ionic strength: 10 mM / pH: 5.05 / Pressure: 1 atm / Temperature: 293 K | |||||||||
Crystal grow | *PLUS Method: other / Details: NMR |
-NMR measurement
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M | |||||||||||||||
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Radiation wavelength | Relative weight: 1 | |||||||||||||||
NMR spectrometer |
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Processing
NMR software |
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Refinement | Method: simulated annealing, torsion angle dynamics, automated analysis of NOESY data, 3D structures. Software ordinal: 1 Details: THE STRUCTURES ARE BASED ON A TOTAL OF 1970 RESTRAINTS, 1698 CONFORMATIONALLY-RESTRICTING NOE- DERIVED DISTANCE CONSTRAINTS, 184 DIHEDRAL ANGLE CONSTRAINTS, 88 DISTANCE RESTRAINTS FROM ...Details: THE STRUCTURES ARE BASED ON A TOTAL OF 1970 RESTRAINTS, 1698 CONFORMATIONALLY-RESTRICTING NOE- DERIVED DISTANCE CONSTRAINTS, 184 DIHEDRAL ANGLE CONSTRAINTS, 88 DISTANCE RESTRAINTS FROM HYDROGEN BONDS. SUMMARY OF RBFA STRUCTURE CALCULATION BY AUTOSTRUCTURE: SUMMARY OF EXPERIMENTAL CONSTRAINTS: DISTANCE CONSTRAINTS: TOTAL = 1698; INTRA-RESIDUE [I=J] = 175; SEQUENTIAL [(I-J)=1] = 454; MEDIUM RANGE [1<(I-J)<5] = 595; LONG RANGE [(I-J)>=5] = 474; NUMBER OF DISTANCE CONSTRAINTS PER RESIDUE = 15.7; DIHEDRAL-ANGLE CONSTRAINTS = 184; TOTAL HYDROGEN BOND CONSTRAINTS = 88; LONG RANGE HYDROGEN BOND CONSTRAINTS = 24; TOTAL NUMBER OF CONSTRAINTS PER RESIDUE = 18.2; NUMBER OF LONG RANGE CONSTRAINTS PER RESIDUE = 4.6; NUMBER OF STRUCTURES COMPUTED = 200; NUMBER OF STRUCTURES USED = 16. RESIDUAL CONSTRAINT VIOLATIONS: DISTANCE VIOLATIONS 0.1-0.2ANG = 31; 0.2-0.5ANG = 9; >0.5ANG = 1. MAX DISTANCE VIOLATION = 0.57ANG; AVERAGE DISTANCE VIOLATION = 0.00ANG. MAX. VDW VIOLATION = 0.37 ANG. DIHEDRAL ANGLE VIOLATIONS: 0 - 10 DEG = 6; >10 DEG = 0; MAX ANGLE VIOLATION = 9 DEG; AVERAGE ANGLE VIOLATION = 0.06 DEG. RMSD VALUES : ALL BACKBONE ATOMS OF ALL RESIDUES = 0.5 ANG; ALL BACKBONE ATOMS OF ORDERED RESIDUES = 0.5 ANG; ALL HEAVY ATOMS OF ALL RESIDUES = 1.0 ANG; ALL HEAVY ATOMS OF ORDERED RESIDUES = 1.0 ANG. PROCHECK USING ALL RESIDUES: MOST FAVORED REGIONS = 73%; ADDITIONAL ALLOWED REGIONS = 23%; GENEROUSLY ALLOWED REGIONS = 4%; DISALLOWED REGIONS = 0%. NMR R-FACTORS : M = 39% I=46% L=27% . SPECTRAL INFORMATION: TOTAL NUMBER OF PEAKS IN N15-NOESY = 1536; TOTAL NUMBER OF ASSIGNABLE PEAKS IN N15- NOESY = 1239; TOTAL NUMBER OF PEAKS ASSIGNED IN N15-NOESY = 814; TOTAL NUMBER OF PEAKS IN C13-NOESY = 3115; TOTAL NUMBER OF ASSIGNABLE PEAKS IN C13-NOESY = 2494; TOTAL NUMBER OF PEAKS ASSIGNED IN C13-NOESY = 1802. | ||||||||||||||||||||||||||||
NMR representative | Selection criteria: lowest value of target function | ||||||||||||||||||||||||||||
NMR ensemble | Conformer selection criteria: Best target function / Conformers calculated total number: 200 / Conformers submitted total number: 16 |