1JF0

The Crystal Structure of Obelin from Obelia geniculata at 1.82 A Resolution

• PDB DOI: https://doi.org/10.2210/pdb1JF0/pdb

• Classification: LUMINESCENT PROTEIN
• Organism(s): Obelia longissima
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2001-06-19 Released: 2001-07-11 
• Deposition Author(s): Deng, L., Vysotski, E., Liu, Z.-J., Markova, S., Lee, J., Rose, J., Wang, B.-C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.82 Å
• R-Value Free: 0.262 
• R-Value Work: 0.212 
• R-Value Observed: 0.212 

Literature

The Crystal Structure of Obelin from Obelia geniculata at 1.82 Angstrom Resolution

Deng, L., Vysotski, E., Liu, Z.-J., Markova, S., Lee, J., Rose, J., Wang, B.-C.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 22.64 kDa 
• Atom Count: 1,673 
• Modelled Residue Count: 192 
• Deposited Residue Count: 195 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Obelin	A	195	Obelia longissima	Mutation(s): 0
UniProt
Find proteins for Q27709 (Obelia longissima) Explore Q27709  Go to UniProtKB:  Q27709

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CZH	B [auth A]	C2-HYDROPEROXY-COELENTERAZINE C26 H21 N3 O5 HOSWCJDTHOAORT-SANMLTNESA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.82 Å
• R-Value Free: 0.262 
• R-Value Work: 0.212 
• R-Value Observed: 0.212 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 33.502	α = 90
b = 67.823	β = 90
c = 69.209	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MAR345	data collection
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2001-07-11 
Deposition Author(s): Deng, L., Vysotski, E., Liu, Z.-J., Markova, S., Lee, J., Rose, J., Wang, B.-C.

Revision History  

• Version 1.0: 2001-07-11
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2014-02-19
  Changes: Database references
• Version 1.4: 2017-10-04
  Changes: Refinement description
• Version 1.5: 2023-08-16
  Changes: Data collection, Database references, Derived calculations, Refinement description