1CV7 | pdb_00001cv7

Crystal structure of enhanced cyan-emission variant of GFP

• PDB DOI: https://doi.org/10.2210/pdb1CV7/pdb

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


• Deposited: 1999-08-23 Released: 2003-09-16 
• Deposition Author(s): O'Brien, P., Elsliger, M.A., Kallio, K., Remington, S.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Work: 
  0.186 (Depositor), 0.192 (DCC) 
• R-Value Observed: 
  0.186 (Depositor) 

Literature

Crystal Structure of Enhanced Cyan-Emission Variant od GFP

O'Brien, P., Elsliger, M.A., Kallio, K., Remington, S.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: 25.71 kDa 
• Atom Count: 1,768 
• Modeled Residue Count: 226 
• Deposited Residue Count: 226 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GREEN FLUORESCENT PROTEIN	A	226	Aequorea victoria	Mutation(s): 7
UniProt
Find proteins for P42212 (Aequorea victoria) Explore P42212  Go to UniProtKB:  P42212

Small Molecules

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: 2.50 Å
• R-Value Work:  0.186 (Depositor), 0.192 (DCC) 
• R-Value Observed: 0.186 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.052	α = 90
b = 62.781	β = 90
c = 66.83	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
TNT	refinement
TNT	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-09-16 
Deposition Author(s): O'Brien, P., Elsliger, M.A., Kallio, K., Remington, S.J.

Revision History  

• Version 1.0: 2003-09-16
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 1.4: 2021-11-03
  Changes: Database references, Derived calculations
• Version 1.5: 2024-10-30
  Changes: Data collection, Structure summary
• Version 2.0: 2026-03-18
  Changes: Polymer sequence