4H47

1.9 angstrom CyPet structure at pH5.2

• PDB DOI: https://doi.org/10.2210/pdb4H47/pdb

• Classification: FLUORESCENT PROTEIN
• Organism(s): Aequorea victoria
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2012-09-17 Released: 2013-09-18 
• Deposition Author(s): Hu, X.-J., Liu, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.243 
• R-Value Work: 0.182 
• R-Value Observed: 0.185 

Literature

Structural insights of the fluorescent states of CyPet

Liu, R., Zhou, Y.-B., Ding, Y., Hu, X.-J.

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: 27.04 kDa 
• Atom Count: 2,034 
• Modelled Residue Count: 228 
• Deposited Residue Count: 237 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Green fluorescent protein	A	237	Aequorea victoria	Mutation(s): 8  Gene Names: GFP
UniProt
Find proteins for P42212 (Aequorea victoria) Explore P42212  Go to UniProtKB:  P42212

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ACT	C [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CRF	A	L-PEPTIDE LINKING	C17 H18 N4 O4		THR, TRP, GLY

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.243 
• R-Value Work: 0.182 
• R-Value Observed: 0.185 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.06	α = 90
b = 62.64	β = 90
c = 70.95	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-09-18 
Deposition Author(s): Hu, X.-J., Liu, R.

Revision History  

• Version 1.0: 2013-09-18
  Type: Initial release