3HF0 | pdb_00003hf0

alpha/beta-Peptide helix crystallized from detergent solution: GCN4-pLI side chain sequence on an (alpha-alpha-beta-alpha-beta-alpha-beta) backbone with cyclic beta-residues

• PDB DOI: https://doi.org/10.2210/pdb3HF0/pdb

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


• Deposited: 2009-05-10 Released: 2009-05-19 
• Deposition Author(s): Horne, W.S., Price, J.L., Gellman, S.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.233 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.219 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.220 (Depositor) 

Starting Model: experimental

Literature

alpha/beta-Peptide helix crystallized from detergent solution: GCN4-pLI side chain sequence on an (alpha-alpha-beta-alpha-beta-alpha-beta) backbone with cyclic beta-residues

Horne, W.S., Price, J.L., Gellman, S.H.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 4.44 kDa 
• Atom Count: 322 
• Modeled Residue Count: 30 
• Deposited Residue Count: 34 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GCN4-pLI side chain sequence on an (alpha-alpha-beta-alpha-beta-alpha-beta) backbone with cyclic beta-residues	A	34	N/A	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
16A	B [auth A]	CETYL-TRIMETHYL-AMMONIUM C19 H42 N RLGQACBPNDBWTB-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
B3Y	A	L-PEPTIDE LINKING	C10 H13 N O3		TYR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.233 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.219 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.220 (Depositor) 

Space Group: I 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.99	α = 90
b = 47.99	β = 90
c = 100.533	γ = 90

Software Package:

Software Name	Purpose
PROTEUM PLUS	data collection
PHASER	phasing
REFMAC	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-05-19 
Deposition Author(s): Horne, W.S., Price, J.L., Gellman, S.H.

Revision History  

• Version 1.0: 2009-05-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 2.0: 2023-11-15
  Changes: Atomic model, Data collection