1TCF

CRYSTAL STRUCTURE OF CALCIUM-SATURATED RABBIT SKELETAL TROPONIN C

• PDB DOI: https://doi.org/10.2210/pdb1TCF/pdb

• Classification: CALCIUM-REGULATED MUSCLE CONTRACTION
• Organism(s): Oryctolagus cuniculus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 1998-03-04 Released: 1998-05-27 
• Deposition Author(s): Soman, J., Phillips Jr., G.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.358 
• R-Value Work: 0.278 
• R-Value Observed: 0.278 

Literature

Conformational variation of calcium-bound troponin C.

Soman, J., Tao, T., Phillips Jr, G.N.

(1999) Proteins 37: 510-511

• PubMed: 10651267 
• DOI: https://doi.org/10.1002/(sici)1097-0134(19991201)37:4<510::aid-prot2>3.0.co;2-t
• Primary Citation of Related Structures:  
  1TCF

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Organizational Affiliation: 

Department of Biochemistry and Cell Biology, Rice University, Houston, Texas 77005, USA.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 18.19 kDa 
• Atom Count: 1,433 
• Modelled Residue Count: 156 
• Deposited Residue Count: 159 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TROPONIN C	A	159	Oryctolagus cuniculus	Mutation(s): 1
UniProt
Find proteins for P02586 (Oryctolagus cuniculus) Explore P02586  Go to UniProtKB:  P02586

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.358 
• R-Value Work: 0.278 
• R-Value Observed: 0.278 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 32.1	α = 90
b = 59.6	β = 101.1
c = 48	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-05-27 
Deposition Author(s): Soman, J., Phillips Jr., G.N.

Revision History  

• Version 1.0: 1998-05-27
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-11-03
  Changes: Database references, Derived calculations, Other
• Version 1.4: 2024-02-14
  Changes: Data collection