4H8M | pdb_00004h8m

Crystal structure of a parallel 6-helix coiled coil CC-Hex-H24-A5/7C

• PDB DOI: https://doi.org/10.2210/pdb4H8M/pdb

• Classification: DE NOVO PROTEIN
• Organism(s): synthetic construct
• Mutation(s): No 


• Deposited: 2012-09-23 Released: 2014-02-05 
• Deposition Author(s): Chi, B., Zaccai, N.R., Brady, R.L., Woolfson, D.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free: 
  0.203 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.197 (Depositor), 0.194 (DCC) 
• R-Value Observed: 
  0.197 (Depositor) 

Starting Model: experimental

Literature

TBD

Chi, B., Zaccai, N.R., Brady, R.L., Woolfson, D.N.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C6  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 6.65 kDa 
• Atom Count: 519 
• Modeled Residue Count: 59 
• Deposited Residue Count: 64 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CC-Hex-H24-A5/7C	A, B	32	synthetic construct	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free:  0.203 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.197 (Depositor), 0.194 (DCC) 
• R-Value Observed: 0.197 (Depositor) 

Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 31.7	α = 90
b = 31.7	β = 90
c = 132.04	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-02-05 
Deposition Author(s): Chi, B., Zaccai, N.R., Brady, R.L., Woolfson, D.N.

Revision History  

• Version 1.0: 2014-02-05
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-11-20
  Changes: Structure summary