2N45 | pdb_00002n45

EC-NMR Structure of Escherichia coli Maltose-binding protein Determined by Combining Evolutionary Couplings (EC) and Sparse NMR Data with a second set of RDC data simulated for an alternative alignment tensor. Northeast Structural Genomics Consortium target ER690

• PDB DOI: https://doi.org/10.2210/pdb2N45/pdb
• BMRB: 25237

• Classification: PERIPLASMIC BINDING PROTEIN
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2015-06-17 Released: 2015-07-01 
• Deposition Author(s): Tang, Y., Huang, Y.J., Hopf, T.A., Sander, C., Marks, D., Montelione, G.T., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Re-refinement Note

This entry reflects an alternative modeling of the original data in: 2MV0 1EZP

Literature

Protein structure determination by combining sparse NMR data with evolutionary couplings.

Tang, Y., Huang, Y.J., Hopf, T.A., Sander, C., Marks, D.S., Montelione, G.T.

(2015) Nat Methods 12: 751-754

• PubMed: 26121406 
• DOI: https://doi.org/10.1038/nmeth.3455
• Primary Citation Related Structures: 
  2N42, 2N44, 2N45, 2N46, 2N47, 2N48, 2N49, 2N4A, 2N4B, 2N4C, 2N4D, 2N4F


• PubMed Abstract: 
  

  Accurate determination of protein structure by NMR spectroscopy is challenging for larger proteins, for which experimental data are often incomplete and ambiguous. Evolutionary sequence information together with advances in maximum entropy statistical methods provide a rich complementary source of structural constraints. We have developed a hybrid approach (evolutionary coupling-NMR spectroscopy; EC-NMR) combining sparse NMR data with evolutionary residue-residue couplings and demonstrate accurate structure determination for several proteins 6-41 kDa in size.

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Organizational Affiliation: 
• 1] Center for Advanced Biotechnology and Medicine, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA. [2] Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.
1] Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, USA. [2] Department of Informatics, Technische Universität München, Garching, Germany.
Computational Biology Center, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, USA.
1] Center for Advanced Biotechnology and Medicine, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA. [2] Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA. [3] Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 40.75 kDa 
• Atom Count: 2,878 
• Modeled Residue Count: 370 
• Deposited Residue Count: 370 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Maltose-binding periplasmic protein	A	370	Escherichia coli K-12	Mutation(s): 0  Gene Names: malE, b4034, JW3994
UniProt
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-07-01 
Deposition Author(s): Tang, Y., Huang, Y.J., Hopf, T.A., Sander, C., Marks, D., Montelione, G.T., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2015-07-01
  Type: Initial release
  
• Version 1.1: 2015-07-22
  Changes: Database references
• Version 1.2: 2015-08-12
  Changes: Database references
• Version 1.3: 2023-06-14
  Changes: Data collection, Database references, Other
• Version 1.4: 2024-05-15
  Changes: Data collection, Database references