1CO0

NMR STUDY OF TRP REPRESSOR-MTR OPERATOR DNA COMPLEX

• PDB DOI: https://doi.org/10.2210/pdb1CO0/pdb
• NAKB: 1CO0

• Classification: TRANSCRIPTION
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 1999-05-30 Released: 2003-09-16 
• Deposition Author(s): Zhou, G.P., Brocchieri, L., Jardetzky, O.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 30 
• Conformers Submitted: 15 
• Selection Criteria: LEAST RESTRAINT VIOLATION 

Literature

Allostery and Induced Fit, NMR and Molecular Modeling Study of the trp-repressor - mtr DNA complex

Brocchieri, L., Zhou, G.P., Jardetzky, O.

(2002) Structures And Mechanisms, Acs Symposium Series 827: 340-366

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 37.15 kDa 
• Atom Count: 2,534 
• Modelled Residue Count: 250 
• Deposited Residue Count: 254 
• Unique protein chains: 1
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
TRP OPERON REPRESSOR	C [auth A], D [auth B]	107	Escherichia coli	Mutation(s): 0
UniProt
Find proteins for P0A881 (Escherichia coli (strain K12)) Explore P0A881  Go to UniProtKB:  P0A881

Entity ID: 1
Molecule	Chains	Length	Organism	Image
5'-D(*TP*GP*TP*AP*CP*TP*CP*GP*TP*GP*TP*AP*CP*TP*GP*GP*TP*AP*CP*A)-3'	A [auth E]	20	N/A

Entity ID: 2
Molecule	Chains	Length	Organism	Image
5'-D(*TP*GP*TP*AP*CP*CP*AP*GP*TP*AP*CP*AP*CP*GP*AP*GP*TP*AP*CP*A)-3'	B [auth F]	20	N/A

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TRP	E [auth B], F [auth B]	TRYPTOPHAN C11 H12 N2 O2 QIVBCDIJIAJPQS-VIFPVBQESA-N

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 30 
• Conformers Submitted: 15 
• Selection Criteria: LEAST RESTRAINT VIOLATION 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-09-16 
Deposition Author(s): Zhou, G.P., Brocchieri, L., Jardetzky, O.

Revision History  

• Version 1.0: 2003-09-16
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2022-02-16
  Changes: Database references, Derived calculations
• Version 1.4: 2023-12-27
  Changes: Data collection