1TJB

Crystal Structure of a High Affinity Lanthanide-Binding Peptide (LBT)

• PDB DOI: https://doi.org/10.2210/pdb1TJB/pdb

• Classification: DE NOVO PROTEIN
• Mutation(s): No 


• Deposited: 2004-06-03 Released: 2004-08-03 
• Deposition Author(s): Nitz, M., Sherawat, M., Franz, K.J., Peisach, E., Allen, K.N., Imperiali, B.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.195 (Depositor), 0.192 (DCC) 
• R-Value Work: 
  0.161 (Depositor), 0.156 (DCC) 
• R-Value Observed: 
  0.165 (Depositor) 

Literature

Structural Origin of the High Affinity of a Chemically Evolved Lanthanide-Binding Peptide

Nitz, M., Sherawat, M., Franz, K.J., Peisach, E., Allen, K.N., Imperiali, B.

(2004) Angew Chem Int Ed Engl 43: 3682-3685

• PubMed: 15248272 
• DOI: https://doi.org/10.1002/anie.200460028
• Primary Citation of Related Structures:  
  1TJB

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Organizational Affiliation: 

Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 4.4 kDa 
• Atom Count: 332 
• Modelled Residue Count: 36 
• Deposited Residue Count: 36 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lanthanide-Binding Peptide	A, B	18	N/A	Mutation(s): 0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TB	C [auth A], G [auth B]	TERBIUM(III) ION Tb HKCRVXUAKWXBLE-UHFFFAOYSA-N
CL	D [auth A], E [auth A], F [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.195 (Depositor), 0.192 (DCC) 
• R-Value Work:  0.161 (Depositor), 0.156 (DCC) 
• R-Value Observed: 0.165 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.16	α = 90
b = 22.27	β = 103.89
c = 30.03	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-08-03 
Deposition Author(s): Nitz, M., Sherawat, M., Franz, K.J., Peisach, E., Allen, K.N., Imperiali, B.

Revision History  

• Version 1.0: 2004-08-03
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary